3 years ago

In a dilation with a scale factor of 3/4, the image is __________ the preimage.

Mathematics

1 answer:

katrin2010 [14]3 years ago

3 0

The answer would be 75% of the original image!

Hope this helps

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The gas tank is 20% full. At $3.00 per gallon of gas, find the cost to fill the tank. (1 gal = 231 in.3)

rewona [7]

The correct question in the attached figure

we know that

to fill the tank is required--------> 100%-20%--------> 80%
if 20% of the gas tank is-----------------> 288.75 gal
80% --------------------------------------> X gal
X=80*288.75/20--------> X=1155 gal

if 1 gal----------------> cost $3
1155 gal----------> $X
X=1155*3--------> X=$3465

the answer is
the cost to fill the tank is $3465

7 0

3 years ago

1.62 as a percentage

goldenfox [79]

1.62 as a percentage would be 162%. Hope this is helpful!

5 0

3 years ago

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Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea

asambeis [7]

Answer:

$n\geq 23$

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

$n\geq (\frac{z\sigma}{ME})^2$

Where:

$\sigma$ is the standard deviation
$ME$ is the desired margin of error.

We substitute our given values to calculate the sample size:

$n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23$

Hence, the smallest desired sample size is 23

3 0

3 years ago

Which is bigger? 30% or 1/3?

aalyn [17]

Convert them to comparable thingummys

convert to fraction

percent means parts out of 100
30%=30/100=3/10

3/10 vvs 1/3
make bottom number 30

3/10 times 3/3=9/30

1/3 times 10/10=10/30
10/30>9/30

1/3 is bigger

8 0

3 years ago

For f(x) = 0.01(2)x, find the average rate of change from x = 12 to x = 15.

loris [4]

The correct answer is C. i think

6 0

3 years ago

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