Answer:
During the first hour, the water change was 2 feet (or 14 feet)
Step-by-step explanation:
We know that the level of water in a water tank was 16 feet, and that by 8 hours, it was empty. To find the change in the water level per hour, we need to divide 16 by 8.
16 ÷ 8 = 2
Therefore, during the first hour, the water change was 2 feet (or 14 feet)
Hope this helps! :D
Complete the table of values
Answer:
See table below
Step-by-step explanation:
x f(x) = 2x -5 g(x) = 2 · 5ˣ - 1
----------------------------------------------
-1 -7 -(3/5)
0 -5 1
1 -3 9
2 -1 49
!!! Answer to x = -1 is 2(-1) - 5 = -7 and not -3 as you have written
All values obtained by plugging in values for x in each of the functions
help pweaz someone I need help and fast
Find h as indicated in the figure. Round to the nearest foot.
By using trigonometric functions and law of sines, the length h indicated in the figure is approximately 87.997 feet.
What is the value of a length of a triangle within a geometric system?
In this system we find a picture of a geometric system formed by the two triangles, one of which with a right angle. We need to use trigonometric functions, law of sines and law of cosine to determine the missing length. First, use the law of sines:
(129 ft) / sin 33.7° = r / sin 26°
r = 129 ft × sin 26° / sin 33.7°
r ≈ 101.920 ft
Lastly, we find the value of the length h by trigonometric functions:
h = r · sin 59.7°
h = (101.920 ft) · sin 59.7°
h ≈ 87.997 ft
The length h indicated in the figure is approximately 87.997 feet.
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HELP, I NEED HALP ASAP
180=x+(3x-8)
Answer:
x=47
Step-by-step explanation:
Let's solve your equation step-by-step.
180=x+3x−8
Step 1: Simplify both sides of the equation.
180=x+3x−8
180=x+3x+−8
180=(x+3x)+(−8)(Combine Like Terms)
180=4x+−8
180=4x−8
Step 2: Flip the equation.
4x−8=180
Step 3: Add 8 to both sides.
4x−8+8=180+8
4x=188
Step 4: Divide both sides by 4.
4x4=1884
x=47
NEED ANSWER ASAP!!!!!!!!!
An airplane is flying at 32,000 feet when it starts it’s decent. It is
descending at a rate of 2000 feet per minute. Let x represent the minutes
of the flights descent and y represent the plane’s altitude.
a. Fill in the table.
b. Write an equation in slope-intercept form for the plane’s altitude.
c. Graph the equation from part (b).
Answer:
10,000
Step-by-step explanation:
f = feet above ground
r = rate of descent
m = minutes
f = 30000 - r · m
f = 30000 - 20000m
After five minutes:
f = 30000 - 2000(5)
f = 30000 - 10000
f = 20000
After five minutes the plane is at 10,000. feet.
The doctor's office where you work needs to store 8 filing cabinets with patient information in one of three secure storage rooms. The filing cabinets need a total of 55 square feet of space. The doctor has asked you to identify which room the filing cabinets will fit
Answer:
Square B 9 × 7.5
Step-by-step explanation:
The computation is shown below:
9 × 7 = 63 > 55
8 × 5 = 40 < 55
5 × 10 = 50 < 55
As it can be seen that in only one condition the total of square feet is less and in the other conditions the total of square feet is more
Therefore the option Square B is correct
And, the rest of the options are incorrect
The same to be considered
ASAP can someone please help me
What is the slope of the line in the graph?
4-
4 5
there is a picture ^
Answer: x+1 is the equation and the slope will be 1/1
Step-by-step explanation:
A group of friends wants to go to the amusement park. They have $116 to spend on parking and admission. Parking is $10.25, and tickets cost $35.25 per person, including tax. Which equation could be used to determine pp, the number of people who can go to the amusement park?
Answer:
2 people
Step-by-step explanation:
no. of people = x
total parking costs = 10.25x
total tickets cost = 35.25x
total = 10.25x + 35.25x
suppose 3 people go, then the total cost will be
10.25(3) + 35.25(3) = 136.5 and this is greater than 116
Suppose 2 people go then the cost will be
10.25(2) + 35.25(2) = 91 which is less than 116
so only 2 people can go.
For each shape, write an expression for the missing length. Area =9x -6 , length=3x-2, breath =?
the breadth of the rectangle is 3
A rectangle is composed of two sides: length (L) and width (W). The length of a rectangle is the longest side, whereas the width is the shortest side. The width of a rectangle is sometimes referred to as the breadth (b).
Area =9x -6 ,
length=3x-2,
breath =?
Therefore, the area of a rectangle formula states that:
Area of rectangle = Length x Width
A = L * W, where A is the area, L is the length, W is the width or breadth.
now put the given value in the formula
9x-6 = (3x-2 )*W
3( 3x -2) / (3x-2) = W
W =3
Hence , the breadth of the rectangle is 3
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If f(5) = a , what is the value of a?
Answer:A=5F
Step-by-step explanation: Flip the equation.
A scientist observed a bacterium in a microscope. It measured about 0.0000029 meter in diameter. Which of the following is closest to 0.0000029?
A.
2×10−6
B.
2×10−5
C.
3×10−5
D.
3×10−6
Answer: A. [tex]2\times10^{-6}[/tex].
Step-by-step explanation:
Given: The diameter of bacterium = 0.0000029 meter
≈ 0.000002 meter [ with 6 decimal places]
[tex]=\dfrac{2}{1000000}=\dfrac{2}{10^6}[/tex]
[tex]=2\times10^{-6}[/tex] meters [[tex]\dfrac{1}{a^n}=a^{-n}[/tex]]
i.e. [tex]2\times10^{-6}[/tex] closest to 0.0000029.
Hence, the correct option is A. [tex]2\times10^{-6}[/tex].
What is the slope of the line through the points (2,5) and (6,13)?
A. 1/2
B. -2
C. 7/3
D. 2
Answer:
1/2
Step-by-step explanation:
*The sum of 5
and the twice a
number is at
most 27*
Answer:
Well i think that is true. and the mystery number i believe is 11
Step-by-step explanation:
Well, first subtract 5 from 27, you get 22. Then divide that by two (because that is half). And you get 11.
11 · 11 = 22
22 + 5 = 27
Really hope this helps!
Answer:
x [tex]\leq[/tex] 11
Step-by-step explanation:
The phrase "at most" is telling us that we have an inequality where the answer will be less than or equal to 27. If we let x be our missing number:
2x + 5 [tex]\leq[/tex] 27
2x [tex]\leq[/tex] 22
x [tex]\leq[/tex] 11
27.36 divided by 3.14 use compatible numbers to estimate the quotient
Answer:
Step-by-step explanation:
you can round the numbers
27/3= 9
27.36 rounds down to 27 and 3.14 rounds to 3
Please help :( 20 points + Brainiest to the best answer :)
Answer/Step-by-step explanation:
Part A and B:
B to A 0.5 + -1.5 = -2 or I-2I Distance = 2
B to x 0.5 + 0 = 0.5 Distance = 0.5
x to A 0 + - 1.5 = -1.5 or I-1.5I Distance = 1.5
i need help solving this problem
Answer:
[tex]3x^7{\cdot} (4x^{-5})^2=\dfrac{48}{x^3}[/tex]
Step-by-step explanation:
We need to simplify the given expression :
[tex]3x^7{\cdot} (4x^{-5})^2[/tex]
Use property : [tex]x^{-a}=\dfrac{1}{x^a}[/tex]
[tex]3x^7{\cdot} (\dfrac{4}{x^5})^2\\ =3x^7{\cdot} \dfrac{16}{x^{10}}\ \ [\because (x^a)^b=x^{a\times b}]\\\\=\dfrac{48}{x^3}[/tex]
So, the simplified form of the given expression is [tex]\dfrac{48}{x^3}[/tex]
A box is filled with 6 blue cards, 6 brown cards, and 3 green cards. A card is chosen at random from the box. What is the probability that it is a blue or a green card?
Answer:
60% chance of a blue or green card
A cylindrical mailing tube has a length of 20 inches and diameter of 4 inches.
O
What is the approximate volume of the cylinder, to the nearest tenth of a cubic inch?
(Use 3.14 for pi.)
Answer:
Volume = 251.2 cubic inches
Step-by-step explanation:
You get the volume of a cylinder by multiplying the area of the base with the height.
Since the diameter is 4 inches, the radius of the base is 4/2 = 2 inches
So, volume = base area* height
= 2² * 3.14 * 20
= 251.2
The approximate volume of the cylinder mailling tube, to the nearest tenth of a cubic inch is 251.2 in³.
What is of volume of cylinder?Volume of cylinder is the amount of quantity, which is obtained by the solid or object in the 3 dimensional space.
Volume of cylinder is the can be given as,
[tex]V=\pi r^2h[/tex]
Here, (r) is the radius of the base of the cylinder and (h) is the height of the cylinder.
A cylindrical mailing tube has a length of 20 inches and diameter of 4 inches. The radius is half of the diameter of the cyilnder. Thus the radius of the cylinder is,
[tex]r=\dfrac{4}{2}\\r=2\rm\; in[/tex]
Put the value of radius and height of the cylinder in the above formula as,
[tex]V=3.14 (2)^2(20)\\V=251.2\rm\; in^3[/tex]
Thus, the approximate volume of the cylinder mailling tube, to the nearest tenth of a cubic inch is 251.2 in³.
(Use 3.14 for pi.)
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HELPPP I WILL BRAINLIST!!
Answer:
Step-by-step explanation:
8 (x -3) +7 = 2x (4 -17)
8(x -3) +7 = 2x (-13) here was the error because the had 13 that is incorrect
8x -24 +7 = -26x
8x -17 = -26x
-17 = -26x -8x
-17 = -34x
-17/-34 = x
1/2 =x
How much more interest is earned on an investment of $12,585 at 3.5% interest over 5 years if the interest is compounded annually rather than earning simple interest? a. They are the same. b. $159.65 c. $2,362.03 d. $12,744.65
$159.65 is earned if compounded annually rather than simple interest.
The simple interest is calculated using the formula:
I = PRT I = 12,585 * 0.035* 5I = $2,202.375For the compound interest
A = P(1+r)^n
A = 12585(1+0.035)^5
A = 12585*1.18768
A =14,946.95
Compound interest = 14,946.95 -12585
Compound interest = $2,361.9528
Taking the difference in the interest = 2,361.9528 - 2,202.375
Difference = $159.65$159.65 is earned if compounded annually rather than simple interest.
Hence the $159.65 is earned if compounded annually rather than simple interest.
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Answer:
B
Step-by-step explanation:
A baseball bat factory produces 24,000 bats per day and uses 50 boxes for packing the bats. If the number of boxes needed for packing is proportional to the number of bats produced, how many boxes would be needed on a day when 36,000 bats are produced?
Answer:
Total boxes= 75
Step-by-step explanation:
Giving the following information:
A baseball bat factory produces 24,000 bats per day and uses 50 boxes for packing the bats.
First, we need to determine the number of bats that fits into a box:
Bats per box= 24,000 / 50
Barts per box= 480
Now, the number of boxes for 36,000 bats:
Total boxes= total bats / bats per box
Total boxes= 36,000/480
Total boxes= 75
Answer:75
Step-by-step explanation:
Bats 24000/50
Box 480
A triangle has angles of 30,60,90. it is dilated by a scale factor of 3 give the angle meansures of the dilation of the angle
Answer:
30°, 60°, 90°
Step-by-step explanation:
A dilation creates a similar triangle; therefore the angle measures do not change.
The new triangle also has angles with measures 30°, 60°, 90°.
Twice a number added to another number is 15. The sum of the two numbers is 11. Find the numbers. Write the numbers from least to greatest
Answer:
(6,8)
I know because I did it coool
Sally examined the three triangles pictured below. What is a possible conjecture
Answer:
where are the triangles
what is the least common multiple for 5 and 24
Answer:
120
Step-by-step explanation:
Since they don't have any common factors, we have to multiply them.
24 x 5 = 120
I hope you understood what I wrote :)
The price paid for a $250 table after a 30% discount is applied
Answer:
GAFD
Step-by-step explanation:
250*0.3 is 75
250-75 175
so D
GAFD
Hope this helps plz hit the crown :D
Answer:
GEFD
Step-by-step explanation:
Perry currently has $238 dollars and is spending $6 per day. Nick has no money but is earning $8 each day. After how many days will they have the same amount of money?
Answer:
are you sure it is not 180? if it is it is 12.87
but if it is 238 it is 21 days or something close
Please help asap!! I will mark you as brainliest :)
Answer:
It does slope= 5/4
Step-by-step explanation:
There is a slope
-2-3/ -3-1
-5/-4
5/4
Answer:
Yes, the line is proportional.
Step-by-step explanation:
As the graph is linear, when x increases, y will increase by an unchanging amount. In this case, when x increase by 1, y will always increase by 1.
PLEASE HELP!!!
Find x
a. x=1
b. x=-1
c. x=-9
d. x=9
Answer:
D
Step-by-step explanation:
I'm not that sure but 2x9-8 = 10