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2 years ago

Which multiplication problem is represented by the model?

Mathematics

1 answer:

maksim [4K]2 years ago

6 0

0.8 is the answer I hope this helps if you don’t want it decimal form here’s exact from 4/5

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A sphere is dilated by a scale factor of 1.5 to create a new sphere. How does the volume of the new sphere compare with the volu

SashulF [63]

Answer:

The volume of new sphere is 3.375 times greater than the volume of old sphere

Step-by-step explanation:

Let r be the radius of old sphere. This old sphere is dilated by a scale factor of 1.5 to create a new sphere, so the radius of new sphere is R=1.5r.

The volume of the sphere can be calculated using formula

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

Hence,

$V_{old}=\dfrac{4}{3}\pi r^3\\ \\V_{new}=\dfrac{4}{3}\pi R^3=\dfrac{4}{3}\pi (1.5r)^3\\ \\\dfrac{V_{new}}{V_{old}}=\dfrac{\dfrac{4}{3}\pi (1.5r)^3}{\dfrac{4}{3}\pi r^3}=1.5^3=3.375$

6 0

3 years ago

Evaluate

SSSSS [86.1K]

5x if x= 2/5 . 5/1x 2/5= 10/5= 2

5/x = 5/5= 1

8/3_ 1 = 8/3- 3/3= 5/3

1/2+ 3/4 = 2/4+3/4= =5/4

5 0

3 years ago

Read 2 more answers

Find two irrational numbers and two rational numbers between 0.5 and 0.552.

seropon [69]

Answer:

Rational: 0.51 and 0.52

Irrational: sqrt(.26) and sqrt(.27)

6 0

2 years ago

The radio station gave away a discount coupon for every twelfth and thirteenth caller. Every twentieth caller received free conc

Snezhnost [94]

Answer:

60th caller.

the 12th caller would hit a number divisible by 20 at 60.

12,24,35,48,60

7 0

2 years ago

Solve for x<br><br> 4x + 7 + 3x = 19 + x

IceJOKER [234]

7x-x=19-7
6x=12
x=2
Ask me if you have a question. Glad to help!! :))

6 0

2 years ago