spherical water storage tank has a radius of 10 ft. a cubic foot of water is about 7.5 gallons. How many gallons of water will the tank hold?

Answers

Answer 1

Answer: Volume of a sphere = (4/3) π (radius)³

Volume of this tank = (4/3) π (10-ft)³ cubic feet

At 7.5 gallons per cubic foot, that's 31,416 gallons .

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Carla walked 5/6 of a mile last weekend, she walked 1/3 as far this weekend.how many miles did carla walk this weekend?
Consider the expressions $\frac{4x^3+2x^2+6x+7}{2x+1}$ and $2x^2+3+\frac4{2x+1}.$a) Show that these expressions are equal when $x=10.$b) Explain why these expressions are not equal when $x=-\dfrac12.$c) Show that these expressions are equal for all $x$ other than $-\dfrac12.$In parts (a) and (c), begin by explaining what your strategy for solving will be.
I really need help please the c/4 is a fraction 85+c/4=99
Can 3/42 be simplified?

Please tell me the answer.

Answers

x = 30

3x-5=x+55

2x=60

x=30

For #12 and #13, make a function table of values for each function with the given input values.#12: y=5x-1 for x=4, x=12,x=0 and x=0.5
#13: y=1.7x, for x=5, x= -5, and x=100
Please show work and thanks for helping

Answers

#12. When x = 4, y = 5(4) - 1 = 20 - 1 = 19
       when x = 12, y = 5(12) - 1 = 60 - 1 = 59
   when x = 0, y = 5(0) - 1 = 0 - 1 = -1
   when x = 0.5, y = 5(0.5) - 1 = 2.5 - 1 = 1.5

Matt Considers whether or not the amount of time students study for a test and the grade on the test are related. He determines that the more they study the higher grade they will get. What type of slope would the line of best fit have? A) negative
B) positive
C) undefined
D) zero

Answers

Answer:

The answer is positive

hope this helps please mark me the brainliest

the answer would be positive

Complete the solution of the equation. Find the value of y when x equals -2. -4x+8y=-24

Answers

Answer:y=-4

Step-by-step explanation:

Multiply -4 by -2 you get positive 8 rewrite the equation subtract 8 from both sides that leaves you with 8y=-32 your final step is to divide both sides 8 that leaves you with -4 which is the answer.

Answer:

y=-4

Step-by-step explanation:

-4(-2)+8y=-24

The negatives cancel out to make a positive.

8+8y=-24

subtract the number without a variable from the answer.

-24-8=-32

You are taking more away from the negative.

8y=-32

Divide the 32 by 8 to get your answer

-32/8=-4

Therefor your answer is y=-4

For which value of x is the equation 2(1 + x) = x + 3 trueA.1
B.2
C.3
D.4

Answers

2(x+1)=x+3
2x+2=x+3 |-x
x+2 = 3 | -2
x=1

Answer:

was the other person right??

Step-by-step explanation:

What is 800 increased by 40%

Answers

800 is 100% and you want to increase by 40%
Add together
100% + 40% = 140%
140% expressed as a decimal
140/100 = 1.4
Multiply 800 by the multiplier
800 x 1.4 = 1120

800 = 100%
x = 140%
100x = 800*140
100x = 112000
x = 112000/100
x = 1120

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