3 years ago

Please please help me

Mathematics

1 answer:

deff fn [24]3 years ago

3 0

Answer:

B) 27.2 m^2

Step-by-step explanation:

because to get the area of the parrelelogram, you use the formula (b)(h) or 6.8*4 to get 27.2.

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determine the kinetic energy of a 1000-kg roller coaster car that is moving with a soeed if 20.0 m/s.

Alona [7]

200000J/200KJ

Step-by-step explanation:

using k.e=1/2(mv2)

k.e=1×1000×20²/2

k.e=400000/2

k.e=200000J/200KJ

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3 years ago

Select 3 numbers to get the sum of 30, the numbers are 1, 3, 5, 7, 9, 11, 13, 15

Firdavs [7]

i think there is a trick so the 3 nbs are 9+11+13=33

How's that we need 30

if we flip 9 we get 6

so the answer would be 6+11+13=30

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3 years ago

What is the mode?<br> -5<br> -3<br> -5<br> -5<br> -5<br> -4<br> -4<br> -4<br> -3<br> -5

artcher [175]

Answer:

-5

Step-by-step explanation:

-5 shows up most frequently in this set of numbers.

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3 years ago

Read 2 more answers

A sphere has a radius of 5 inches. What is its volume?

jarptica [38.1K]

Given ↓

Radius of sphere = 5 in

The volume of the sphere

<h3>Calculations ↓</h3>

$\blue{\boxed{\mathsf{V=\frac{4}{3} \pi r^3}}$

↑ formula for volume of a sphere

r = 5 in

Plug in the value of r and solve :

$\blue{\boxed{\mathsf{V=\frac{4}{3}\pi (5)^3}}}$

Simplify as follows :

$\blue{\boxed{\mathsf{V=\frac{4}{3}\pi *125} }}$

$\blue{\boxed{V=\frac{4}{3} *392.7}}$

Final Step :

$\blue{\boxed{\pmb{V=523.6\:in\:^3}}$

$\footnotesize\text{hope\:helpful}$

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2 years ago

A cube-shaped box has a volume of 1000 cubic inches. How tall is the box?

Bezzdna [24]

Answer:

10 inches

Step-by-step explanation:

the box is 1000 cubic inches in volume, and 10×10×10 is 1000

The side lengths are each 10 inches tall

The box is 10 inches tall, wide, and long

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3 years ago