4 years ago

Need help with the last question EASY 15 Points

Mathematics

2 answers:

azamat4 years ago

4 0

Where is the last question? There is no attachment

bearhunter [10]4 years ago

4 0

Answer:

What is the question?

Step-by-step explanation:

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What is the missing number in this pattern

Alchen [17]

Answer:

16 is the missing number

Step-by-step explanation:

5 0

2 years ago

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*The sum of two numbers is 400. If the first number is decreased by 20% and the second number is decreased by 15%, then the sum

Dahasolnce [82]

Answer:

The two numbers are .8*160=128 and .85*240=204

Step-by-step explanation:

First sentence: x+y=400

Second sentence .8x+.85y=400-68

Solve y in the first sentence: y=400-x

Plug first into second: .8x+.85(400-x)=332

Distribute: .8x+.85(400)-.85x=332

Combine like terms: -.05x+.85(400)=332

Simplify(multiply): -.05x+ 340=332

Subtract 340 on both sides: -.05x =332-340

Simplify(subtract): -.05x =-8

Divide both sides by -.05: x =-8/-.05

Simplify (division): x = 160

So y=400-x=400-160=240

8 0

3 years ago

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Ryan wants to use the Fermi process to estimate the number of basketballs that would fill a gymnasium. As part of the process, h

Westkost [7]

A basketball is the shape of a sphere.

The volume of a sphere is given by

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

Given that the diameter of the basketball is 10 in., thus the radius is 10 / 2 = 5 in.

Thus, the volume of the basketball is given by

$V= \frac{4}{3} \pi(5)^3 \\ \\ = \frac{4\times125}{3} \pi=523.6\ in^3$

Therefore, The best approximate of the volume of the basketball is $5\times10^2\ in^3$