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4 years ago

11

A cylindrical water tank has a radius of 6 feet and a height of 20 feet. A larger tank with the same radius has a volume that is

2 times the volume of the smaller tank. What is the height of the larger tank?
A) 30 feet
B) 40 feet
C) 50 feet
D) 60 feet

1 answer:

Nataly_w [17]4 years ago

6 0

B. 40 ft. It would be like 2 different water tanks if cut in half. Hope this helps!

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Which equation describes the line with a slope of -3 that contains the point (2,4)?

Ilia_Sergeevich [38]

Answer: y = 2x - 11

Step-by-step explanation:

A linear equation has the following form.

y = a . x + b

where,

y: independent variable

a: slope

x: independent variable

b: y-intercept

The slope is 2, so a is 2. The ordered pair (4, -3) means that when x takes the value 4, y takes the value -3. We can replace these values in the general equation to find the y-intercept.

y = a . x + b

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b = -11

The linear equation is

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Vaselesa [24]

Solve for x (isolate/get x by itself)

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$\frac{1}{4}x-7+5=\frac{3}{8}x-5+5$

$\frac{1}{4}x-2=\frac{3}{8}x$ Subtract 1/4x on both sides

$\frac{1}{4}x-\frac{1}{4}x-2=\frac{3}{8}x-\frac{1}{4}x$

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3 years ago

german

Answer:

17 units

Step-by-step explanation:

Distance between points $(a,b)\,,\,(c,d)$ is given by $\sqrt{(c-a)^2+(d-b)^2}$

The trail starts at P(−2, 2) and goes to Q(5, 2).

Take $(a,b)=(-2,2)\,,\,(c,d)=(5,2)$

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It goes from Q to R(5, −5)

Take $(a,b)=(5,2)\,,\,(c,d)=(5,-5)$

$QR=\sqrt{(5-5)^2+(-5-2)^2}=\sqrt{(-7)^2}=7$ units

It goes from R to S.

Take $(a,b)=(5,-5)\,,\,(c,d)=(8,-5)$

$RS=\sqrt{(8-5)^2+(-5+5)^2}=\sqrt{3^2}=3$ units

$PQ+QR+RS=7+7+3=17$ units

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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