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3 years ago

Geometry dilations, help if you can explain would be great, i have to take a test about this

Mathematics

1 answer:

LekaFEV [45]3 years ago

3 0

Answer:A dilation is a transformation that produces an image that is the same shape as the original, but is a different size. A dilation that creates a larger image is called an enlargement and a dilation that creates a smaller image is called a reduction.

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The absolute value of -15 is -15 because -15 is 15 units to the left of zero

VARVARA [1.3K]

Answer: False

Step-by-step explanation: The absolute value of -15 is 15.

5 0

3 years ago

The distance between Cincinnati, Ohio, and Charlotte, North Carolina, is about 336. The distance between Charltte,North Carolina

Naddika [18.5K]

<span>The distance from Charlotte to Cincinnati is 365 miles and then from Cincinnati to Chicago is 247 miles.
So 365+247= 583
so it's 583 miles.</span>

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3 years ago

To see how fast the moss was growing students recorded how long it took the moss to cover a rule. After one hour, the moss had c

Grace [21]

Answer:

The moss will cover $2\frac{11}{24}$ inches of the ruler after 2 days.

Step-by-step explanation:

After one hour, the moss had covered $1\frac{1}{8}$ inches of the ruler.

Again, after two hours, it had covered another $1\frac{1}{3}$ inches of the ruler.

Therefore, after two hours the moss covers altogether ( $1\frac{1}{8} + 1\frac{1}{3}$ ) inches of the ruler.

Now, ( $1\frac{1}{8} + 1\frac{1}{3}$ )

= $\frac{9}{8} + \frac{4}{3}$

= $\frac{9\times 3 + 4 \times 8}{24}$

= $\frac{59}{24}$

= $2\frac{11}{24}$ inches

Therefore, the moss will cover $2\frac{11}{24}$ inches of the ruler after 2 days. (Answer)

4 0

3 years ago

HELP ME I BEG U!!!!!!!!!!!

Archy [21]

I only know one and i would say that it is the first one .
Y=5/x+3

6 0

3 years ago

Read 2 more answers

Can someone help me solve these three problems please??

Tasya [4]

I'll solve 21, and you then should be able to solve the rest on your own!

Since ADC is 135, that means that that whole angle is 135 degrees. In addition, since angles ADB and BDC add up to ADC, we get ADB+BDC=ADC=135=11x+9+7x=18x+9. Subtracting 9 from both sides, we get 126=18x. Dividing both sides by 18, we get x=7. Plugging that into 11x+9=BDC, we get 11*7+9=77+9=86

4 0

3 years ago