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3 years ago

15

Tina earned $300. This amount represented 40% of the money she needed to pay for her senior trip. What is the cost of the senior

trip?

1 answer:

ludmilkaskok [199]3 years ago

7 0

Answer:

she needed $480 to pay for her trip

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A circular garden is enlarged so that the new diameter is twice the old diameter. What is the ratio of the original area to the

Amanda [17]

Answer:

Explained briefly below.

Step-by-step explanation:

<u>For old circular garden:</u>

take the radius as r.

then use the formula to find area of circle: πr² ......this is old garden area.

<u>For new enlarged garden:</u>

the radius is twice the old radius so, radius = 2 * r = 2r ......enlarged radius

now find area for this new garden: π(2r)² → 4πr²

In common fractions: (old garden)/(new garden)

: ( πr² ) / ( 4πr² )

: 1/4

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3 years ago

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What is the simplified form of the quantity of x plus 7, all over the quantity of x plus 3 + the quantity of x minus 4, all over

enyata [817]

Break down the words into an equation:
(x+7)/(x+3) + (x-4)/3

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3 years ago

Which is the quotient for

mars1129 [50]

Answer:

i think its D

Step-by-step explanation:

D

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3 years ago

A horse walks around a circular track while its trainer stands in the center. The trainer is 14 feet from the horse at all times

max2010maxim [7]

The horse traveled 439.6 feet after walking around the track 5 times

<u><em>Solution:</em></u>

Given that, horse walks around a circular track while its trainer stands in the center

The trainer is 14 feet from the horse at all times

Therefore, radius of circular track = 14 feet

The circumference of circle is the distance traveled by horse for 1 lap

<em><u>The circumference of circle is given as:</u></em>

$C = 2 \pi r$

Where, "r" is the radius and $\pi$ is a constant equal to 3.14

$C = 2 \times 3.14 \times 14\\\\C = 87.92$

Thus the distance traveled by horse for one time in circular track is 87.92 feet

<em><u>About how far had the horse traveled after walking around the track 5 times? </u></em>

Multiply the circumference by 5

$distance = 5 \times 87.92\\\\distance = 439.6$

Thus the horse traveled 439.6 feet after walking around the track 5 times

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3 years ago

30. One of the games at a carnival involves trying to ring a bell with a ball by hitting a lever that propels the ball into the

Setler [38]

This model will be by 16/8 I will do 8/8

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3 years ago