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3 years ago

A turtle walks 3 feet in 12 seconds. At this speed, how far does the turtle walk in 30 seconds

Mathematics

1 answer:

Maksim231197 [3]3 years ago

6 0

Answer:

7.5 or 7 feet and 6 inches

Step-by-step explanation:

did the work

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What is the volume of a rectangular Prism if it is scaled down by a factor of 1/10? Original volume is 135.

Snezhnost [94]

Answer:

$V=0.135\ units^3$

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to teh scale factor elevated o the cube

Let

z ----> the scale factor

x ----> the volume of the dilated prism

y ----> the volume of the original prism

$z^3=\frac{x}{y}$

we have

$z=\frac{1}{10}$

$y=135\ units^3$

substitute

$(\frac{1}{10})^3=\frac{x}{135}$

solve for x

$(\frac{1}{1,000})=\frac{x}{135}$

$x=135/1,000=0.135\ units^3$

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4 years ago

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horrorfan [7]

Step-by-step explanation:

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3 years ago

Asdasd I don't actually have a question I accidentally typed this

Shalnov [3]

Answer:

that's cool . . .

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3 years ago

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Iteru [2.4K]

Answer:

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Step-by-step explanation:

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3 years ago

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Jax has a weekly math test. His scores on the last 5 tests are 78,92,86,94,95. What score does he need to have an average of 90

lara [203]

Answer:

x = 95

Step-by-step explanation:

Given that,

Jax scores on the last 5 tests are 78,92,86,94,95.

We need to find the score he need to have an average of 90.

The formula for average of few number is given by :

Average = sum of observations/total no of observation

Let he score x in test 6. So,

$90=\dfrac{78+92+86+94+95+x}{6}\\\\90=\dfrac{445+x}{6}\\\\540=445+x\\\\x=95$

So, he must score 95 in the next test so that its average is 90.

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3 years ago