Question
Julio buys a salad and a container of yogurt. These bills and coins represent the cost of each item.

How much did Julio spend in all?

We have that, the probability of hitting the coin toss at least 6 out of 7 times is approximately 0.0625. Which corresponds to option d. 0.0625.

1. Determine the probability of success and failure.

Since the coin is fair, the probability of success (flipping it correctly) is 0.5, and the probability of failure (flipping it incorrectly) is also 0.5.

2. Calculate the probability of flipping the coin correctly exactly 6 times.

Using the binomial probability formula

[tex]P(X = 6) = C(7, 6) * (0.5)^6 * (0.5)^1\\P(X = 6) = 7 * (0.5)^6 * (0.5)^1\\P(X = 6) \approx 0.0547\\[/tex]

3. Calculate the probability of performing the toss correctly all 7 times.

Using the binomial probability formula.

[tex]P(X = 7) = C(7, 7) * (0.5)^7 * (0.5)^0\\P(X = 7) = 1 * (0.5)^7 * 1\\P(X = 7) \approx 0.0078\\[/tex]

4. Calculate the probability of calling the flip correctly at least 6 times.

[tex]P(X \geq  6) = P(X = 6) + P(X = 7)\\P(X \geq  6) \approx 0.0547 + 0.0078\\P(X \geq  6) \approx 0.0625\\[/tex]

Thus, the probability of hitting the coin toss at least 6 out of 7 times is approximately 0.0625, which corresponds to option d. 0.0625.

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1. Battling the stereotypes architects face.

2. Arguing for good design over cheap construction.

3. Making time for hand sketching

4. Finding great materials to match great designs.

5. Bridging the generation gap (making a design appealing to different generations)

The time at which the population reaches 4,000 is t ≈ 2.51 hours after 12 pm or approximately 2:30 pm. A) The growth constant can be found using the formula for exponential growth:

$-N = N_0 e^{kt}$

where N₀ is the initial population, N is the final population, t is the time elapsed, and k is the growth constant.

Using the given information, we can set up two equations:

500 = N₀e^(0k)

1500 = N₀e^(2k)

Dividing the second equation by the first, we get:

3 = e^(2k)

Taking the natural logarithm of both sides, we get:

ln(3) = 2k

Therefore, the growth constant k is (ln(3))/2, approximately 0.549.

The population as a function of time can now be expressed as:

N(t) = 500e^(0.549t)

B) To find the population at 5 pm, we need to substitute t = 5 into the equation we found in part A:

N(5) = 500e^(0.549*5) ≈ 4,206

Therefore, the population at 5 pm is approximately 4,206 bacteria.

C) To find the time the population reaches 4,000, we need to solve the equation N(t) = 4,000 for t:

4,000 = 500e^(0.549t)

Dividing both sides by 500, we get:

8 = e^(0.549t)

Taking the natural logarithm of both sides, we get:

ln(8) = 0.549t

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Answer:

D

Step-by-step explanation:

The sin is equal to the opposite of the chord

Answer:

x = 2

x = 1/2

Step-by-step explanation:

To solve the given equation (x-2)(2x-1) = 0, we need to find the values of 'x' that make the left-hand side of the equation equal to zero. For this, we need to use the zero product property, which states that if the product of two factors is zero, then at least one of the factors must be zero.

Using the zero product property, we can set each factor equal to zero and solve for 'x'.

First factor: x - 2 = 0

Adding 2 to both sides, we get:

x = 2

Second factor: 2x - 1 = 0

Adding 1 to both sides, we get:

2x = 1

Dividing by 2 on both sides, we get:

x = 1/2

Therefore, the solutions to the given equation (x-2)(2x-1) = 0 are x = 2 and x = 1/2.

We can verify our solutions by plugging them back into the original equation and checking if the left-hand side equals zero.

When x = 2, we have:

(x-2)(2x-1) = (2-2)(2(2)-1) = 0, which is true.

When x = 1/2, we have:

(x-2)(2x-1) = (1/2-2)(2(1/2)-1) = (-3/2)(0) = 0, which is also true.

Therefore, our solutions are correct.

FYI, you could've also multiplied the polynomials to get a quadratic equation, though this is terribly inefficient for this case.

Answer:

In short, to solve the equation (x-2)(2x-1) = 0, we use the zero product property by setting each factor equal to zero and solving for x. The solutions are x = 2 and x = 1/2.

Step-by-step explanation:

The equation (x-2)(2x-1) = 0 can be solved by finding the values of x that make the left-hand side of the equation equal to zero.

To do this, we can use the zero product property, which states that if the product of two factors is equal to zero, then at least one of the factors must be equal to zero.

Therefore, we set each factor equal to zero and solve for x:

x-2 = 0 or 2x-1 = 0

Solving each equation for x, we get:

x = 2 or x = 1/2

So the solutions to the equation (x-2)(2x-1) = 0 are x = 2 and x = 1/2.

The average adult have 02 liters of blood in the body.

The amount of blood circulating in a person depends on their height and weight, but the average adult has more than 5 liters. Blood volume is tightly regulated and linked to various organ systems. Additionally, it is closely related to sodium levels and hydration status. Maintenance of blood volume is essential for normal functioning as it is necessary for the continuous perfusion of body tissues.

According to the Question:

Given that:

The average adult has 1. 2 to 1. 5 gallons of blood in their body.

Now,

Based on the given conditions, formulate: 1.2 ×1.5

Calculate the product or quotient: 1.8

Round the number: 2 gallons.

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Answer:

The value of a+b+c is -2

Step-by-step explanation:

rewrite equation: a+b+c

substitute: (-1) + (2) + (-3)

simplify: -1 + 2 - 3

PEMDAS: 1 - 3

Which equals: -2

During the sale, the stereo system was sold for 30% less than its original price of $710, so the discount amount was:

0.30 x $710 = $213

Therefore, the sale price of the stereo system was:

$710 - $213 = $497

After the sale, the discounted price of $497 was marked up by 30%. The markup amount is:

0.30 x $497 = $149.10

So the final price of the stereo system after the markup is:

$497 + $149.10 = $646.10

Therefore, the price of the stereo system after the markup is $646.10.

Answer:

f = 2

Step-by-step explanation:

10 = 6 + 2f

subtract 6 from both sides

4 = 2f

divide both sides by 2

2 = f

The length of BD is 25.06 mm

The six trigonometric functions of an angle in a right-angled triangle are related by a set of fundamental identities in trigonometry known as the Circle identities.

Given that,

AC = 22 mm and OE = 6 mm

So, AE = AC/2

Then AC = 11 mm

Therefore, OA is a radius then,

By Pythagoras theorem,

OA² = AE² + OE²

AO² = 11² + 6² = 121+36

AO² = 157

AO = √157 = 12.53 ( radius )

Then , BD = 2 * radius = 2 * 12.53 = 25.06 mm

Therefore, the length of BD is 25.06 mm

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The height of the building is about 364 feet.  

Let's use a proportion to solve the problem. We know that the height of the building and the length of its shadow are proportional to the height of the pole and the length of its shadow. That is:  

height of building/length of building shadow = height of pole/length pole shadow

We are given that the height of the pole is 10 feet, and its shadow is 5.5 feet long. We are also given that the length of the building shadow is 200 feet. We don't know the height of the building, so we'll use "h" to represent it. Substituting the given values into the proportion, we get:

h / 200 = 10 / 5.5

We can solve for "h" by cross-multiplying:

h = 200 * 10 / 5.5

h ≈ 363.6

Therefore, the height of the building is approximately 363.6 feet. Rounding to the nearest foot gives us the final answer:

The height of the building is about 364 feet.

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Answer:

z = 66

y = 120

Step-by-step explanation:

First, we can solve for z because it is supplementary to 114°.

114° + z° = 180°

-114°         -114°

z° = 66°

z = 66

Now, we can solve for y using the fact that the interior angles of a quadrilateral add to 360° (think about a rectangle: 4 x 90°).

We have to use the z value that we solved for earlier.

81° + 93° + y° + z° = 360°

↓ substituting in z-value

81° + 93° + y° + 66° = 360°

↓ combining like terms

240° + y° = 360°

-240°         -240°

y° = 120°

y = 120

Answer:

x = 138°

Step-by-step explanation:

The measure of the angle formed by two tangents drawn from outside point of circle is half the difference of intercepted arcs.

           Near arc = 42°

           Far arc    = 360 - 42 = 318°

            [tex]\boxed{\bf x = \dfrac{1}{2}(Far \ arc - near \ arc)}[/tex]

                 [tex]= \dfrac{1}{2}*(318-42)\\\\= \dfrac{1}{2}*276\\\\= 138^\circ[/tex]

Answer:

f^4 g^8

Step-by-step explanation:

(F^1g^2)^4

Js multiply the exponent by  the one outside so 1x4=4

n 2x4=8

so the answer would be f^4 g^8

Answer:

0.9375

Step-by-step explanation:

In summary, 15/16 inches is the same as 0.9375 inches and 15/16 inches is also the same as 0.078125 feet.

Answer:

∠1 + ∠2 = 135°

Step-by-step explanation:

From the text, it is given that the two unknows are adjacent angles.

∠2x + ∠2x + 7 = 135°

∠4x + 7 = 135°

∠4x = 128°

x = 32

Answer:

[tex]\angle 1 = 64[/tex]°

[tex]\angle 2 = 71[/tex]°

Step-by-step explanation:

If two adjacent angles form at a resulting angle, this means that both angles form the full resulting angle.

This means [tex]\angle1[/tex] and [tex]\angle2[/tex] have a sum of [tex]135[/tex]°. This can also be written as:

[tex]135 = 2x+2x+7[/tex] or [tex]135 = 4x+7[/tex]

This can be worked out using simple rearrangement:

[tex]135 = 4x+7\\=135-7 = 4x\\=128 = 4x\\\therefore x = 32[/tex]

Therefore we can simply substitute to get our angles:

[tex]\angle 1 = 2x = 32\times2 = 64\\\angle 2 = 2x+7 = 32\times2+7 = 71[/tex]

Hope this helps!!!

The probability of Bob and Joan's fourth child having sickle cell disease, given that their first three children are healthy, is 6.25%.

When Bob and Joan have children, each child has a 25% chance of inheriting two copies of the sickle cell gene and thus developing the disease, a 50% chance of inheriting one copy of the sickle cell gene and being a carrier like their parents, and a 25% chance of inheriting two copies of the normal gene and not carrying the disease.

To understand this probability calculation mathematically, we can use the laws of probability. We can define the probability of the fourth child inheriting the sickle cell gene as P(s), and the probability of the fourth child inheriting the normal gene as P(n).

Since Bob and Joan are each heterozygous carriers for the sickle cell gene, we know that P(s) = 0.25 (25%), and P(n) = 0.75 (75%). We can use the multiplication rule of probability to calculate the probability of their fourth child inheriting two copies of the sickle cell gene, which is:

P(sickle cell disease) = P(s) x P(s) = 0.25 x 0.25 = 0.0625 or 6.25%

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Complete Question:

Bob and Joan know from a blood test that they are each heterozygous (carriers) for the autosomal recessive gene that causes sickle cell disease. If their first three children are healthy, what is the probability that their fourth child will have the disease?

The range stays 48°.

To determine how the range changes when a value of 80.4° is added, we need to follow these steps:
Identify the minimum and maximum values in the original data set.
Calculate the original range by subtracting the minimum value from the maximum value.
Add the new value (80.4°) to the data set.
Identify the new minimum and maximum values.
Calculate the new range.
Compare the original and new ranges.

The minimum value is 57°, and the maximum value is 105°.
The original range is 105° - 57° = 48°.
Add the new value: [58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57, 80.4].
The new minimum value is still 57°, and the new maximum value remains 105°.
The new range is still 105° - 57° = 48°.
Since the original range and the new range are both 48°, the range does not change.
The range stays 48°.

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Answer: 11 1/3 gallons of lemonade

Answer:

e. y = sin(x) + π

Step-by-step explanation:

We can see that the graph of y = sin(x) has been shifted vertically. This means that the added π should be outside the trigonometric function.

Therefore, e. y = sin(x) + π is the correct answer.

See the attached image for how a, b, c, and d values change the graphs of sine and cosine.

Answer:

a diagonal?

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer: 34 tins

If there were 35 tins then this would be rounded up to 40 tins. So 34 is the highest number that will be rounded to 30.

The largest possible amount of tins in the box is 34.

Although the term "rounding" is a general one, we typically use the terms "round up" or "round down" to indicate whether the number has gone up or down after being rounded. The supplied number is said to be rounded up when the rounded number is increased, and it is said to be rounded down when the rounded number is dropped.

We have,

A box contains 30 tins of beans (to the nearest 10).

Now, we know to round off we need to focus that whether the number is greater than 5 or less than 5.

If greater than 5 than round of to next number otherwise round off to previous number.

Here, the largest number of tins can be 34 because greater than 34 leads to round off 40.

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The correct answer is that the average age of all the students at City College could not be exactly 22, but it could be close to it. Since the average age of a sample of 190 students at City College is 22, it can be concluded that the average age of all the students at City College could not be exactly 22 because the sample is only a part of the population.

The population is always larger than the sample. Therefore, it cannot be concluded that the average age of all the students at City College must be more than 22 or must be less than 22.In addition, the standard deviation of the sample is needed to determine the exact range of ages for the population.

It is possible that the population has a higher or lower average age than the sample, but without the standard deviation, it is impossible to say for sure.In conclusion, the given statement that the average age of all the students at City College must be more than 22 or must be less than 22, since the population is always larger than the sample, is not accurate. It could not be exactly 22 but could be close to it, depending on the standard deviation of the sample.

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The equation of the straight line is y = -2x - 4, the value of x₁ is -1 and the value of y₁ is -2.

To find the equation of a straight line given its slope and one point, we use the point-slope form of the equation:

−y − y₁​ = m(x−x₁ )

where m is the slope of the line, and (x₁, y₁) is the given point.

In this case, m = -2 and the point is (-1, -2). So we have:

x₁ = -1

y₁ = -2

m = -2

Substituting these values into the point-slope form, we get:

y−(−2)=−2(x−(−1))

Simplifying and rearranging terms, we get the equation of the line:

y + 2 = -2x - 2

y = -2x - 4

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Answer:

Mean of given observations = Sum of given observations Total number of observations

∴11=x+(x+2)+(x+4)+(x+6)+(x+8)÷5

⇒55=5x+20

5x=55-20

5x=35

x=35/5

x=7

Hence, the value of x is 7.

Answer:

50.3

Step-by-step explanation:

Area of circle: pi*r ^2

the problem tells us that r =4 and that pi = 3.142

so,

its (4^2) * 3.142 or 50.3 (rounded)

~ lmk if u got Qs

Answer:

$110.2

Step-by-step explanation:

$76 × 45%

$34.2

$76 + $34.2

$110.2

The value of a is obtained as 7, for the given expression, obtained using the scientific notations.

Numbers that are either too little or too huge to put in conventional decimal form can be expressed using scientific notation. Scientific notation is often known as standard index form simply scientific form among experts.

This notation is frequently used in the work of engineers, mathematicians, and scientists to make it considerably simpler to write large numbers. By using the "SCI" display option on the calculator, you can utilise scientific notation when using one.

The given number is:

63,000,000,000

Write the number in its scientific notation:

6.3 x 10¹⁰

Comparable number is 6.3 x 10³ which is 10ᵃ times larger than the 6.3 x 10¹⁰.

Dividing:

=  6.3 x 10¹⁰ / 6.3 x 10³

= 10⁷

Now, 10⁷ = 10ᵃ

As the base is same , thus the value of a = 7.

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Answer:

The system is consistent.

Step-by-step explanation:

Answer:

  (b)  There is not enough information to know whether the system is consistent or inconsistent.

Step-by-step explanation:

Given a system of equations consists of two lines with the same slope, you want to know whether the system is consistent or inconsistent, whether the lines are perpendicular, or if there is enough information to tell.

Lines with the same slope are either parallel or coincident. If they are parallel, the system of equations is inconsistent. If they are coincident, the system of equations is consistent.

Parallel or coincident lines are not perpendicular. Perpendicular lines have opposite reciprocal slopes.

Since we cannot tell whether the lines are parallel or coincident from the given description, we have to say, "there is not enough information to know."