3 years ago

Lisa spends part of her year as a member of a gym. She then finds a better deal at another gym

Mathematics

1 answer:

Tema [17]3 years ago

5 0

I’m having trouble understanding this question.?

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How does the volume of an oblique cone change if the height is reduced to 2/3 of its original size and the radius is doubled

spayn [35]

The volume of oblique cone = $\frac{1}{3} \pi r^{2} h$

Now radius is doubled is now it is 2r

And height is reduced to 2/3 of its original size that is 2/3 h

So plugging the values we get volume

New Volume = $\frac{1}{3} \pi (2r)^2 (\frac{2}{3} h)$

= $\frac{1}{3} \pi 4r^2 (\frac{2}{3} h) = \frac{8}{6} \pi r^{2} h =\frac{8}{2} (\frac{1}{3} \pi r^{2} h )$ $=4*(\frac{1}{3} \pi r^{2} h )$

It means the volume becomes 4 times

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3 years ago

Elijah is selling coupon books for a school fundraiser. the coupon books sell for $11. the school gets $8 and $3 goes to elijah'

Sladkaya [172]

He collected $264.00, $72.00 went to his homeroom, and $192.00 to the school

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3 years ago

Which of the following expressions is equivalent to the expression x - (-3) ?

kolezko [41]

X + 3 because in math two negatives equal a positive

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3 years ago

Simplify the expression 3(x + 9) by distributing. Which expression is equivalent?

notsponge [240]

3(x+9)

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hope it's helpful ❤❤❤

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3 years ago

The number of significant figures in 0.01500 is

madreJ [45]

Four significant is an answer
because if 0 is the extreme right of decimal place it is significant
and if 0 lies between two significant figure than it is significant like 1.020 is 4 sifnificant and 100 is 1 significant figure

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