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3 years ago

34% of 29.5 is what number

Mathematics

1 answer:

ira [324]3 years ago

6 0

It would be: 29.5*34/100 = 1003/100 = 10.03

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Please solve with explanation I’ve been asking all day (this is not a multiple choice question)

Anastaziya [24]

Answer:

a) $SA = 522.9~cm^2$

b) $V_{cone} = 670.2~cm^3$

c) $V_{empty} = 1340.4~cm^3$

Step-by-step explanation:

For a cone,

$SA = \pi r (L + r)$

where L = slant height

$L = \sqrt{r^2 + h^2}$

We have r = 8 cm; h = 10 cm

$L = \sqrt{(8~cm)^2 + (10~cm)^2}$

$L = \sqrt{164~cm^2}$

$SA = (\pi)(8~cm)(\sqrt{164~cm^2} + 8~cm)$

$SA = 522.9~cm^2$

$V_{cone} = \dfrac{1}{3}\pi r^2 h$

$V_{cone} = \dfrac{1}{3}(\pi)(8~cm)^2(10~cm)$

$V_{cone} = 670.2~cm^3$

$V_{cylinder} = \pi r^2 h$

empty space = volume of cylinder - volume of cone

$V_{empty} = V_{cylinder} - V_{cone}$

$V_{empty} = \pi r^2 h - \dfrac{1}{3}\pi r^2 h$

$V_{empty} = (\pi)(8~cm)^2(10~cm) - \dfrac{1}{3}(\pi)(8~cm)^2(10~cm)$

$V_{empty} = 1340.4~cm^3$

3 0

3 years ago

What is the percent of change if 30 is decreased to 25?

Luden [163]

Answer:

16.67%

Step-by-step explanation:

initial rate=30

final rate =25

decreased rate = 30 - 25= 5

Now,

Decreased % = (5 / 30) * 100%

= 16.67%

3 0

3 years ago

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Enter expression, e.g. (x^2-y^2)/(x-y)

Drupady [299]

The answer i got was x+y

5 0

3 years ago

How to solve 15a5b2 + 4a5b2

Deffense [45]

Answer:

19a^5b^2

Step-by-step explanation:

15a+4a=19a

4 0

4 years ago

HURRY MATH QUIZ <br> From the list, which terms are like 5x?

ivolga24 [154]

Option 3, is correct.

Just find the one that have the x's only, not the one that is squared or without one. It doesn't matter if the term is a negative or positive.

If you have any further questions, please reach out to me :)

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3 years ago

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