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3 years ago

PLEASEEE HEEELLLPPP MEE!

Mathematics

2 answers:

defon3 years ago

8 0

Answer:

The volume of water in the tank is decreasing by 2 L per hour.

Step-by-step explanation:

Sliva [168]3 years ago

7 0

Your answer is the third one or C. the volume of water in the tank decreases by 0.5 L per hour

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3 years ago

X - 10 = 25 please solve this hurry

Kitty [74]

X - 10 = 25
add 10 to both sides
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4 years ago

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The ratio x : 8 is equivalent to the ratio 8 : x^2. What is the value of x?

dimulka [17.4K]

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x=1

Step-by-step explanation:

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2 years ago

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15 POINTS ANSWER ASAP, SHOW WORK

forsale [732]

Answer:

$V=97.6\ in^3$

Step-by-step explanation:

step 1

Find the volume of the cylinder

The volume of the cylinder is equal to

$V=\pi r^{2}h$

we have

$r=4/2=2\ in$ ---> the radius is half the diameter

$h=8\ in$

substitute

$V=\pi (2)^{2}(8)\\\\V=32\pi\ in^3$

step 2

Find the volume of the cone

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2} h$

we have

$r=2\ in$ ---> the radius is the same that the radius of the cylinder

$h=0.70\ in$

substitute

$V=\frac{1}{3}\pi (2)^{2} (0.70)\\\\V=0.93\pi\ in^3$

step 3

Find the volume of the plastic object

we know that

The volume of the plastic object is equal to the volume of the cylinder minus the volume of the cone

$V=32\pi-0.93\pi=31.07\pi\ in^3$

assume

$\pi=3.1416$

$V=31.07(3.1416)=97.6\ in^3$

8 0

3 years ago