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3 years ago

Kelsey wants to buy a new video game.

Mathematics

1 answer:

Ahat [919]3 years ago

3 0

Answer: c: $65

Step-by-step explanation:

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Acone has a height of 7 ft and a radius of 4 ft. Which equation can find the volume of the cone?

Marina86 [1]

Answer:

Volume of the cone = $117.06\,feet^3$

Step-by-step explanation:

Height of the cone = $7\,feet$

Radius of the cone = $4\,feet$

Volume of a cone is:

$\pi \times r^2\times \dfrac{h}{3}$

As, $\pi =\dfrac{22}{7} =3.14$

Volume is:

$=3.14\times(4\times 4)\times \dfrac{7}{3}\\\\ =3.14\times 16 \times 2.33\\\\=3.14\times 37.28\\\\=117.06\,feet^3$

The volume of the cone is: $117.06\,feet^3$

3 0

3 years ago

HELP ASAP,, WILL GIVE BRAINLIEST

madreJ [45]

Answer:

a = 50°, b = 130°, c = 20°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles in the right triangle

a + 40° + 90° = 180°

a + 130° = 180° ( subtract 130° from both sides )

a = 50°

a and b are adjacent angles and sum to 180° , so

a + b = 180°

50° + b = 180° ( subtract 50° from both sides )

b = 130°

Then sum the angles in the top triangle, that is

30° + 130° + c = 180°

160° + c = 180° ( subtract 160° from both sides )

c = 20°

8 0

3 years ago

Please help! i do not understand !

cluponka [151]

Answer:

Step-by-step explanation:

Know that two angles added equals 180

3 0

3 years ago

Read 2 more answers

Find | P | a. 15 b. 22 c. 24 d. 8

ankoles [38]

Answer:

c. 24

Step-by-step explanation:

15+9=24

5 0

3 years ago

What number is 70% of 120?please give the equation with x

MA_775_DIABLO [31]

You can set up this equation as:
$x = 0.7(120)$

Because remember, 70% is equal to 0.7 and x represents the unknown value. So, let's just solve it:
$x = 0.7(120)=84$

So, 70% of 120 is 84.

7 0

3 years ago