3 years ago

A rectangular prism has a length of 4 1/4 in a width of 3 in, and a height of 1 1/4 in.

Mathematics

1 answer:

olchik [2.2K]3 years ago

4 0

Answer:

4 1/4 × 3 × 1 1/4

Step-by-step explanation:

To find volume you need to do length×width×height

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3. James drives for 5 hours at a certain speed and then for 4 hours at a speed 6 km/h greater than his original speed. If he dri

riadik2000 [5.3K]

Answer:30km/hr

Step-by-step explanation:

Total distance=294km

Speed=s

Distance=d

Time=t

First drive:

t=5

d=s x t

d=s x 5

d=5s

Second drive:

t=4

Speed is 6km/h greater than the first speed

The new speed= s+6

d=4(s+6)

Total distance=294

5s + 4(s + 6)=294

5s + 4s + 24=294

Collect like terms

5s + 4s=294 - 24

9s=270

Divide both sides by 9

9s/9=270/9

s=30

First speed=30km/hr

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2 years ago

Use the graph to write a linear function that relates y to x

Alla [95]

81- answer is ok but im not suree

3 0

2 years ago

Find derivative of y=(-3x^5+1)^3

sattari [20]

Use the chain rule:

$\frac{\mathrm dy}{\mathrm dx}=3(-3x^5+1)^2\frac{\mathrm d[-3x^5+1]}{\mathrm dx}=3(-3x^5+1)^2(-15x^4)=\boxed{-45x^4(1-3x^5)^2}$

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2 years ago

The local office supply store charges $0.08 per page to make photocopies. Lionel paid $20.00 for a set of copies. How many pages

Ivanshal [37]

Lionel had 250 pages copied

This is because 20/.08=250.

8 0

3 years ago

Read 2 more answers

Solve y+4x=12 3y=8-12x

attashe74 [19]

$\left \{ {{y+4x=12} \atop {3y=8-12x}} \right. \\\\ \left \{ {{y=12-4x} \atop {3y=8-12x}} \right. \\\\3(12-4x)=8-12x\\\\36-12x=8-12x\\\\-12x+12x=8-36\\\\0\neq28\\\\There\ are\ no\ solutions.$

6 0

3 years ago