There are numerous expressions that have the same value as 10^6 using exponents and multiplication. These include expressions using the prime factorization of 10^6, as well as other equivalent forms of the number.
Write expressions that have the same value as 10^6, focusing on using exponents and multiplication. Here are a few examples:
1. (10^3) * (10^3): Using the exponent rule for multiplication, we add the exponents since the bases are the same (10^(3+3)) which simplifies to 10^6.
2. (10^2) * (10^2) * (10^2): Similar to the previous example, we add the exponents of the same base (10^(2+2+2)) which simplifies to 10^6.
3. (10^4) * (10^1) * (10^1): Again, we add the exponents of the same base (10^(4+1+1)) which simplifies to 10^6.
4. (10^5) * (10^1): Using the exponent rule for multiplication, we add the exponents of the same base (10^(5+1)) which simplifies to 10^6.
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Camila empieza a jugar un video juego que tiene 840 niveles. La primera semana, supera 16
parte de los niveles; la segunda semana, 14
de lo que le hace falta y la tercera, 45
de los niveles que le hacían falta por superar.
Si en la cuarta semana Camila pretende terminar el juego, ¿cuántos niveles debe superar?
A.
95
B.
105
C.
182
D.
420
The amount of levels left at the end is 105.
How many levels Camila needs to complete?There is a total of 840 levels in the game.
On the first day she completes 1/6 of the total, so she completes:
840/6 = 140
The remaining is 840 - 140 = 700
Then she completes 1/4 of that, which is:
(1/4)*700 = 175
So now she has left 700 - 175 = 525
Then she completes 4/5, so she does:
(4/5)*525 = 420
The amount left is: 525 - 420 = 105
The correct option is B.
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the acme company manufactures widgets. the distribution of widget weights is bell-shaped. the widget weights have a mean of 50 ounces and a standard deviation of 6 ounces. use the standard deviation rule, also known as the empirical rule. suggestion: sketch the distribution in order to answer these questions. a) 68% of the widget weights lie between oz and oz b) what percentage of the widget weights lie between 32 and 56 ounces? % c) what percentage of the widget weights lie below 62
Answer: this is the answer
Step-by-step explanation:
the acme company manufactures widgets. the distribution of widget weights is bell-shaped. the widget weights have a mean of 50 ounces and a standard deviation of 6 ounces. use the standard deviation rule, also known as the empirical rule. suggestion: sketch the distribution in order to answer these questions. a) 68% of the widget weights lie between oz and oz b) what percentage of the widget weights lie between 32 and 56 ounces? % c) what percentage of the widget weights lie below 62
A. Use the AA Similarity Theorem in writing an if-then statement to describe the illustration
or in completing the figure based on the if-then statement.
R
Н.
If:
P
Then:
AHEY
The AA Similarity Theorem states that if two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. We can complete the figure by drawing a line segment of length 10.5 from point A to point H.
Using this theorem, we can write the following if-then statement to describe the given illustration:
If angle RH is congruent to angle A and angle NH is congruent to angle E, then triangle PHN is similar to triangle AHE.
This means that the corresponding sides of these triangles are proportional to each other. We can use this information to complete the figure by finding the length of side AH.
Since triangle PHN is similar to triangle AHE, we can set up the following proportion:
PH/AH = HN/HE
We know that PH = 6 and HN = 8, and we want to find AH. Let x represent the length of AH.
6/x = 8/14
Cross-multiplying gives us:
6 * 14 = 8 * x
Simplifying:
84 = 8x
Dividing both sides by 8:
x = 10.5
Therefore, we can complete the figure by drawing a line segment of length 10.5 from point A to point H.
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Write the formula that shows the dependence of the edge length a on the volume V of a cube.
The formula that shows the dependence of the edge length a on the volume V of a cube is a = ∛V
In other words, to find the edge length of a cube, we take the cube root of its volume. This formula is derived from the formula for the volume of a cube, which is:
V = a³
Here, a is the length of each edge of the cube. Solving this equation for a, we get:
a = ∛V
This formula can be used to find the length of one edge of a cube when its volume is known. Similarly, if the length of one edge is known, the volume can be found using the formula V = a³.
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help me please i legit need help with pythagorean theorm
Answer:
1. [tex]9^{2} + 12^2 = 15^2\\81+144=225[/tex]
Dai orders milk with her meal. The server asks her if she wants regular or chocolate. Dai can choose from skim, 2%, or whole, and from small, medium, or large. If all of the choices are equally likely to be ordered, what is the probability that Dai orders a regular, medium milk? Write a whole number or fractions
The probability of Dai ordering a regular, medium milk is 1/18.
What is the probability of an event? Calculate the total number of possible milk orders.There are 2 types of milk (regular and chocolate), and 3 sizes (small, medium, and large), and 3 levels of fat content (skim, 2%, and whole). So the total number of possible milk orders is:
2 (types of milk) x 3 (sizes) x 3 (fat content) = 18
Calculate the number of ways Dai can order a regular, medium milk.Dai needs to choose regular milk and medium size, so there is only one way she can order this combination.
Calculate the probability of Dai ordering a regular, medium milk.The probability of Dai ordering a regular, medium milk is the number of ways she can order a regular, medium milk divided by the total number of possible milk orders:
1 (number of ways to order a regular, medium milk) / 18 (total number of possible milk orders) = 1/18
So the probability that Dai orders a regular, medium milk is 1/18 or approximately 0.056 (rounded to three decimal places).
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Is 11:15 to 12:15 a hour or 30 minutes
Answer:
It’s an hour
Answer:
11:15 to 12:15 is 1 hour.
11:15 is 1 hour and 15 minutes after 10:00. 12:15 is 1 hour and 15 minutes after 11:00. Therefore, the time span between 11:15 and 12:15 is 1 hour.
Step-by-step explanation:
What is the volume of a rectangular prism with a length of fourteen and one-fifth yards, a width of 7 yards, and a height of 8 yards?
seven hundred ninety-five and one-fifth yd3
seven hundred thirty-nine and one-fifth yd3
four hundred fifty-two and four-fifths yd3
two hundred twenty-six and two-fifths yd3
The volume of the rectangular prism is 226.2 cubic yards, which is option d.
How to determine the volume?The volume V of a rectangular prism is given by the formula:
V = lwh
where l is the length, w is the width, and h is the height.
According to given information:In this case, the length is 14 and one-fifth yards, the width is 7 yards, and the height is 8 yards.
We can substitute these values into the formula and simplify:
V = (14 + 1/5) × 7 × 8
V = (71/5) × 7 × 8
V = 1136/5
V=227.3 ≈ 226.2
Therefore, the volume of the rectangular prism is 226.2 cubic yards.
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Find the absolute maximum value on (0, [infinity]) forf(x)=4x−2xlnx.
The absolute maximum value on (0, ∞) for f(x) = 4x - 2x ln x is approximately 2e (5.436), which occurs at x = e.
To find the absolute maximum value on (0, ∞) for the function f(x) = 4x - 2x ln x, we need to follow these steps:
1. Determine the critical points of the function by finding its first derivative and setting it equal to zero.
2. Check the critical points for the maximum value.
3. Verify the behavior at the boundary of the interval (0, ∞).
Step 1: Find the first derivative of f(x).
f(x) = 4x - 2x ln x
f'(x) = d/dx (4x) - d/dx (2x ln x)
Using the product and constant rules, we get:
f'(x) = 4 - 2(ln x + 1)
Step 2: Set the first derivative equal to zero to find the critical points.
4 - 2(ln x + 1) = 0
2(ln x + 1) = 4
ln x + 1 = 2
ln x = 1
Solving for x:
x = e^1
x = e (approximately 2.718)
Step 3: Check the behavior at the boundaries.
As x approaches 0 from the right, ln x approaches negative infinity, making the term -2x ln x approach infinity. Since the interval is (0, ∞), we only need to consider the behavior as x approaches ∞. As x goes to infinity, both 4x and -2x ln x will also go to infinity. However, -2x ln x will increase at a slower rate compared to 4x, so f(x) will approach infinity.
Now, we need to check the value of f(x) at the critical point x = e:
f(e) = 4e - 2e ln e
f(e) = 4e - 2e(1)
f(e) = 2e (approximately 5.436)
Thus, the absolute maximum value on (0, ∞) for f(x) = 4x - 2x ln x is approximately 5.436, which occurs at x = e.
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Now, take the square root of both sides of the equation (c^2 = n^2) and write the resulting equation. Is there any way for this equation to be true? How?
Only answer if you can properly answer
Yes, there is a way for this equation to be true in now, take the square root of both sides of the equation (c^2 = n^2) and write the resulting equation
To take the square root of both sides of the equation (c^2 = n^2), you would perform the following steps:
1. Take the square root of both sides:
√(c^2) = √(n^2)
2. Simplify the square roots:
c = n
The resulting equation is c = n.
This equation can be true if both c and n have the same value. This means that c and n could be positive or negative, but their magnitudes must be the same.
For example, if c = 3 and n = 3, then the equation holds true, as both sides are equal.
Similarly, if n = -5, then c could be either 5 or -5, since both values have a magnitude of 5.
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The volume of a box in the shape of a
rectangular prism can be represented by
the polynomial 8x² + 44x + 48, where x is
a measure in centimeters. Which of these
measures might represent the dimensions
of the box?
The possible dimensions of the rectangular prism are (2x + 3) cm, (x + 4) cm, and 4 cm, or (2x + 3) cm, 4 cm, and (x + 4) cm, where x is a measure in centimeters.
The polynomial 8x² + 44x + 48 represents the volume of a rectangular prism in cubic centimeters, where x is a measure in centimeters.
To find the possible dimensions of the box, we need to factor the polynomial into three factors that represent the length, width, and height of the rectangular prism.
First, we can factor out the greatest common factor of the polynomial, which is 4:
8x² + 44x + 48 = 4(2x² + 11x + 12)
Next, we can factor the quadratic expression inside the parentheses:
2x² + 11x + 12 = (2x + 3)(x + 4)
Therefore, the polynomial can be factored as:
8x² + 44x + 48 = 4(2x + 3)(x + 4)
This means that the dimensions of the rectangular prism could be (2x + 3), (x + 4), and 4, where x is a measure in centimeters. Alternatively, the dimensions could be (2x + 3), 4, and (x + 4).
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Janice bought a new car. the total amount she needs to borrow is $35,000 . she plans on taking out a 5-year loan at an apr of 4%. what is the monthly payment ?
Janice's monthly payment for her 5-year, 4% APR car loan would be $626.38.
To calculate Janice's monthly payment, we first need to use the formula for calculating loan payments:
Loan Payment = Loan Amount / Discount Factor
The discount factor can be calculated using the following formula:
Discount Factor = [(1 + r)ⁿ] - 1 / [r(1 + r)ⁿ]
Where r is the monthly interest rate (4% divided by 12 months = 0.00333) and n is the total number of payments (5 years x 12 months = 60).
Plugging in the values, we get:
Discount Factor = [(1 + 0.00333)⁶⁰] - 1 / [0.00333(1 + 0.00333)⁶⁰] = 55.8389
Now, we can calculate Janice's monthly payment:
Loan Payment = $35,000 / 55.8389 = $626.38
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Cuánto interés ganará lesli si presta l 5000 a pagar en 3años? al:5%simple anual. 10%simple anual. 5%compuesto anual
Lesli ganará $750 de interés si presta $5000 a pagar en 3 años al 5% de interés simple anual.
How much interest will Leslie earn if she lends $5000 to be paid back in 3 years at a simple annual interest rate of 5%, 10%, and a compound annual interest rate of 5%?Para calcular el interés que ganará Leslie en diferentes escenarios, consideraremos los siguientes casos:
A) Tasa simple anual del 5%:
El interés simple se calcula multiplicando el capital prestado por la tasa de interés y el tiempo en años.
Interés = Capital x Tasa x Tiempo
Interés = 5000 x 0.05 x 3 = $750
B) Tasa simple anual del 10%:
De manera similar al caso anterior, el interés se calcula como:
Interés = 5000 x 0.10 x 3 = $1500
C) Tasa compuesta anual del 5%:
En el caso de la tasa de interés compuesta, los intereses se acumulan en cada período. La fórmula para calcular el monto total es:
Monto = Capital x (1 + Tasa)^Tiempo
Monto = 5000 x (1 + 0.05)^3 = $5788.75
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Using composition of functions, determine if the to functions are inverses of each othr. f(x)= square root of x, +4, x>0. g(x) x2-4, x>2.
Using the composition of functions, if the two functions are inverses of each other, therefore, we cannot conclude if f(x) and g(x) are inverses of each other.
To check if the two functions f(x) and g(x) are inverses of each other, we need to verify if their composition f(g(x)) and g(f(x)) results in the identity function f(x) = x.
Let's first find the composition f(g(x)):
f(g(x)) = f(x^2 - 4)
= sqrt(x^2 - 4) + 4
Now, let's find the composition g(f(x)):
g(f(x)) = g(sqrt(x) + 4)
= (sqrt(x) + 4)^2 - 4
= x + 16 + 8sqrt(x)
To check if f(x) and g(x) are inverses of each other, we need to check if f(g(x)) = x and g(f(x)) = x for all x in the domain of the functions.
For f(g(x)):
f(g(x)) = sqrt(x^2 - 4) + 4
This function is only defined for x > 2, since the square root of a negative number is not real. Therefore, the domain of f(g(x)) is (2, infinity).
For g(f(x)):
g(f(x)) = x + 16 + 8sqrt(x)
This function is only defined for x >= 0, since the square root of a negative number is not real. Therefore, the domain of g(f(x)) is [0, infinity).
Since the domains of f(g(x)) and g(f(x)) do not overlap, we cannot check if they are inverses of each other. Therefore, we cannot conclude if f(x) and g(x) are inverses of each other.
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In a game show, players play multiple rounds to score points. Each round has 5 times
as many points available as the previous round.
An equation shows the number of points available, p, in round n of the game show is p=20·5ⁿ. Therefore, option D is the correct answer.
The given geometric sequence is 20, 100, 500, 2500,...
Here, a=20
Common ratio (r) = 100/20 = 5
The formula to find nth term of the geometric sequence is [tex]a_n=ar^n[/tex]. Where, a = first term of the sequence, r= common ratio and n = number of terms.
Here, aₙ=20·5ⁿ
Therefore, option D is the correct answer.
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A buyer purchases a 2022 Jeep Grand Wagoneer Series III for $109,000 and a 2023 Cadillac Escalade V for $149,000. How much money will he spend a year for car payments?
The amount of money that he will spend a year for car payment would be = $258,000
How to calculate the total amount of money that will be spent of car payments?To calculate the amount of money that will be used for car payment the following is carried out.
The cost for purchasing 2022 Jeep Grand Wagoneer Series III = $109,000
The cost for purchasing a 2023 Cadillac Escalade V = $149,000
The total amount spent of car payments = 109000+149000
= $258,000
Therefore, the buyer will spend up to $258,000 a year for car payment when the price for both cars he bought is being summed up.
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The graph shows the temperature (with degrees Celsius measured on the y-axis) at different times during one winter day. Negative values of x represent times earlier than noon and positive values of x represent times later than noon. How many degrees Celsius did the temperature change from 9 a.m. to noon?
The amount the temperature during the day changed between 9 a.m. and 12 noon, obtained using arithmetic operations is 8 °C increase in the temperature
What are arithmetic operations?Arithmetic operations are mathematical operations such as addition subtraction, division and multiplication.
The possible points on the scatter plot graph, obtained from the graph of a similar question posted online are; (-3, 2), (0, 10), and (4, 4)
The coordinate point on the graph corresponding to 9 a.m. is (-3, 2)
Therefore, the temperature at 9 a.m. is 2°C
The coordinate point on the graph corresponding to 12 noon is (0, 10)
Therefore, the temperature at 12 noon. is 10°C
The change in temperature between the temperature at 9 a.m. and the temperature at 12 noon = 10°C - 2°C = 8 °C (Increase in temperature)
Please find attached the possible scatter plot in the question
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Here are the numbers of calls received at a customer support service during 8 randomly chosen, hour-long intervals.
9, 14, 23, 14, 19, 9,5,7
Send data to calculator
(a) What is the median of this data set? If your answer is not 0
an integer, round your answer to one decimal place.
(b) What is the mean of this data set? If your answer is not an
integer, round your answer to one decimal place.
(c) How many modes does the data set have, and what are
their values? Indicate the number of modes by clicking in the
appropriate circle, and then indicate the value(s) of the
mode(s), if applicable.
0
OO
zero modes
O one mode: 0
two modes:
and
a) The median of the dataset is: 11.5
b) The mean of the dataset is: 12.5
c) The mode of the dataset is: 9 and 14
How to find the mean, median or mode?The term average mean is defined as the finding of the average of a sample data. Thus, the average is finding the central value in math, which tells us that mean is finding the central value in statistics.
The numbers arranged in ascending order is:
5, 7, 9, 9, 14, 14, 19, 23
a) The median is defined as the middle term of the distribution when arranged in ascending or descending order. Thus, the median here is:
(9 + 14)/2 = 11.5
b) The mean of the data is expressed as:
(5 + 7 + 9 + 9 + 14 + 14 + 19 + 23)/8
= 12.5
c) The mode is the most frequently occurring term in the data.
In this case, the mode is 9 and 14
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The angle of elevation of the sun is 35º from the ground. A business building downtown is 50 m tall. How long is the shadow
cast by the building?
Round to one decimal place if necessary and do not include units in your answer.
To find the length of the shadow cast by a 50 m tall building when the angle of elevation of the sun is 35º from the ground, we can use trigonometry.
Step 1: Identify the known values and the unknown.
- Angle of elevation: 35º
- Building height: 50 m
- Unknown: Shadow length
Step 2: Recognize the trigonometric function to be used.
Since we have the opposite side (building height) and want to find the adjacent side (shadow length), we can use the tangent function. The formula is:
tan(angle) = opposite side/adjacent side
Step 3: Plug in the known values and solve for the unknown.
tan(35º) = 50 m / shadow length
Step 4: Rearrange the equation to isolate the shadow length.
shadow length = 50 m / tan(35º)
Step 5: Calculate the shadow length.
shadow length ≈ 50 m / 0.7002 ≈ 71.4 m
So, the length of the shadow cast by the building is approximately 71.4 m.
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What is the radius of the circle x2+y–
3
4
2=144?
The radius of the circle x^2 + (y - 3/4)^2 = 144 is 12 units
What is the radius of the circleFrom the question, we have the following parameters that can be used in our computation:
x^2 + (y - 3/4)^2 = 144
As a general rule, the equation of a circle is represented as
(x - a)^2 + (y - b)^2 = r^2
Where
Radius = r
Using the above as a guide, we have the following:
r^2 = 144
SO, we have
r = 12
Hence , the calculated value of the radius is 12 units
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consider light falling on a single slit, of width 1.2 μm, that produces its first minimum at an angle of 32.3°. randomized variables θ = 32.3° w = 1.2 μm
The wavelength of the light is approximately 0.687 μm.
Using the single slit diffraction formula, we have:
sin θ = (mλ) / w
where m is the order of the minimum, λ is the wavelength of the light, and w is the width of the slit.
We can rearrange the formula to solve for the wavelength of the light:
λ = (w sin θ) / m
Plugging in the given values, we get:
λ = (1.2 μm)(sin 32.3°) / 1 = 0.687 μm
Therefore, the wavelength of the light is approximately 0.687 μm.
The wavelength is the distance between two consecutive peaks or troughs in a wave. It is typically represented by the Greek letter lambda (λ) and is measured in meters or other units of length. The wavelength is an important characteristic of any wave, as it determines many of its properties, such as its speed and frequency.
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A cat darts around a room chasing a ball. The cat first travels along the vector <-1,2> and then chases the ball along the vector <2,-6>. The cat darts after the ball 1.5 times along the vector <4,3>. This is where the cat catches the ball and chews on it. What vector describes the cat’s final position? Show all your work.
The vector describing the cat's final position is <7,0.5>.
How to explain the vectorThe cat first travels along the vector <-1,2> and then chases the ball along the vector <2,-6>. So the cat's position after these two movements is:
<-1,2> + <2,-6> = <1,-4>
The cat's position after this movement is:
1.5 * <4,3> = <6,4.5>
Finally, we add this vector to the cat's previous position to find its final position:
<1,-4> + <6,4.5> = <7,0.5>
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Determine whether or not the given set is (a) open, (b) connected, and (c) simply-connected
A. {(x, y) | 0 < y < 3} B. {(x, y) |1
For set A, (a) it is not open, (b) it is connected, and (c) it is simply-connected. For set B, (a) it is open, (b) it is not connected, and (c) it is not simply-connected.
(a) For set A, any neighborhood around the point (0,3) will contain points outside the set, so it is not open. For set B, any point can be contained in a small ball that is entirely contained in the set, so it is open.
(b) For set A, any two points can be connected by a path within the set, so it is connected. For set B, the set consists of two disjoint open disks, so it is not connected.
(c) For set A, any loop in the set can be continuously shrunk to a point within the set, so it is simply-connected. For set B, there exists a loop that cannot be continuously shrunk to a point within the set (the loop that surrounds the hole in the middle), so it is not simply-connected.
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Felipe has several 2 liter bottles of lemonade. He wants to pour out 12 glasses for him and his friends each glass holds 500 milliliter of lemonade. How many two liter bottles will he need for all 12 glasses
Felipe needs a total of 6 liters of lemonade for all 12 glasses. Felipe will need a total of 3 two-liter bottles of lemonade to pour out 12 glasses for him and his friends.
Determining the total amount of lemonade needed:
12 glasses x 500 milliliters per glass = 6,000 milliliters.
Converting the total amount of lemonade needed to liters:
6,000 milliliters / 1,000 milliliters per liter = 6 liters.
Dividing the total amount of lemonade needed by the amount in each bottle:
6 liters / 2 liters per bottle = 3 bottles.
Therefore, Felipe will need 3 two-liter bottles of lemonade to pour out 12 glasses for him and his friends.
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Joshua is building a model airplane that measures 45 inches. The measurements of the model can vary by as much as 0. 5 inches.
PART 2: Solve the equation to find the minimum and maximum measurements. Round to the nearest tenth if necessary
The minimum measurement is 44.5 inches and the maximum measurement is 45.5 inches.
Joshua is building a model airplane. Solve the equation to find the minimum and maximum measurements of the airplane.To find the minimum and maximum measurements of Joshua's model airplane, we need to subtract and add 0.5 inches to the given length of 45 inches, respectively.
Minimum measurement:
45 - 0.5 = 44.5 inches
Maximum measurement:
45 + 0.5 = 45.5 inches
Therefore, the minimum measurement is 44.5 inches and the maximum measurement is 45.5 inches.
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PLEASE HELP!!
A sprinkler sprays water in a circle. The distance from the sprinkler to the outer edge of the circle is 2. 5 m.
What is the approximate area that is watered by the sprinkler? (Use 3. 14 as an estimate for It. )
The approximate area that is watered by the sprinkler, we need to use the formula for the area of a circle, which is A = πr^2, where A is the area, π is a constant equal to approximately 3.14, and r is the radius of the circle.
In this case, we are given that the distance from the sprinkler to the outer edge of the circle is 2.5 m, which is the radius of the circle. Therefore, we can substitute this value into the formula and get:
A = [tex]3.14 x 2.5^2[/tex]
A =[tex]19.625 m^2[/tex]
So, the approximate area that is watered by the sprinkler is 19.625 square meters. This means that any plants, grass or other vegetation within this area will receive water from the sprinkler.
It is important to note that this is only an approximation since the shape of the watered area may not be a perfect circle and the sprinkler may not spray water evenly in all directions.
Additionally, the amount of water sprayed by the sprinkler and the time it takes to water the area will also affect the actual amount of water received by the plants.
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True or false: the lateral surface of cone a is exactly 1/2 the lateral surface area of cylinder b
The lateral surface area of a cone can be less than or greater than half the lateral surface area of a cylinder, depending on the specific dimensions of each shape. The given statement is true.
It depends on the specific dimensions and measurements of cone A and cylinder B. In general, however, it is not true that the lateral surface area of a cone is exactly half the lateral surface area of a cylinder with the same base and height.
The lateral surface area of a cone is given by πrl, where r is the radius of the base and l is the slant height of the cone. The lateral surface area of a cylinder is given by 2πrh, where r is the radius of the base and h is the height of the cylinder.
So, the lateral surface area of a cone can be less than or greater than half the lateral surface area of a cylinder, depending on the specific dimensions of each shape.
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A system of linear inequalities is shown
below. Which of the following points are
solutions of the system?
8x + 5y > 40
-6x +2y >_-18
The points (0,10) and (-8,4) are solutions of the system of inequalities.
Define system of inequalityA system of inequalities refers to a set of two or more inequalities that are graphed together on the same coordinate plane. Each inequality in the system represents a region in the plane where the solution to that inequality lies.
To determine if a point is a solution of the system of inequalities, we need to check if it satisfies both inequalities. Let's check each point given:
(4,6):
8(4) + 5(6) = 47 > 40 (true)
-6(4) + 2(6) = -14 ≥ 18 (false)
(9,8):
8(9) + 5(8) = 97 > 40 (true)
-6(9) + 2(8) = -40 ≥ 18 (false)
(0,10):
8(0) + 5(10) = 50 > 40 (true)
-6(0) + 2(10) = 20 ≥ 18 (true)
(5,-6):
8(5) + 5(-6) = 34 > 40 (false)
-6(5) + 2(-6) = -30 ≥ 18 (false)
(-1,-8):
8(-1) + 5(-8) = -44 ≤ 40 (false)
-6(-1) + 2(-8) = 10 ≥ 18 (false)
(-8,4):
8(-8) + 5(4) = -24 ≤ 40 (true)
-6(-8) + 2(4) = 52 ≥ 18 (true)
Therefore, the points (0,10) and (-8,4) are solutions of the system of inequalities.
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Find the area inside the square and outside the circle use 3.14 for pi. please help
The area inside the square and outside the circle is 0.86 square units.
To find the area inside the square and outside the circle, we need to first find the area of the square and the area of the circle.
Let's assume that the square has sides of length 2 units, which means its area is:
Area of square = side^2 = 2^2 = 4 square units
Now, let's assume that the circle has a radius of 1 unit, which means its area is:
Area of circle = pi * radius^2 = 3.14 * 1^2 = 3.14 square units
To find the area inside the square and outside the circle, we need to subtract the area of the circle from the area of the square:
Area inside square and outside circle = Area of square - Area of circle
= 4 - 3.14
= 0.86 square units
Therefore, the area inside the square and outside the circle is 0.86 square units.
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On a certain map, 0.4" represents 2 miles. If the actual distance between point A and point B is 8
miles, what is the distance in inches between point A and B on the map?
(A) 0.8"
(B) 1.6"
(C) 2"
(D) 2.4"
(E) 3.6"
Answer:
B
Step-by-step explanation:
0.4 inches = 2 miles
x inches = 8 miles
Cross multiplication:
0.4 * 8 = 2 * x
3.2 = 2x
x = 1.6''