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xz_007 [3.2K]
3 years ago
8

Which option is a false statement about Christopher Columbus?

Mathematics
1 answer:
Lisa [10]3 years ago
7 0
4th one is defo right so it’s one of the rest
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A rectangle has an area of x square units. The rectangle is dilated to create a new rectangle with an area of 9x square units. D
Alika [10]
The reactangle has an area of x.

So that means two numbers multiplied to each other equal to x. We can just think of itwo numbers that when multiplied equal to x as a and b. 

So that means the side lengths are <u />a and b. And ab = x (will be using this right next).

And it was multiplied by some scale factor that made the new area 9x. So if the scale factor is y, then:

(y\times a)\times (y\times b)=9x
y^2ab=9x
y^2x=9x
y=3

y can not equal to -3, because the length of a side of any polygon can never be negative.

So the dilation is 3.

And so if the dimension is 5 by 8.

Then the area is 5 \times 8=40

And so then x=40

And then after the dilation, it would be 9x=9(40) = 360

We could check it another way too. Since we said the scale factor is 3, then:

( 5 \times 3) \times (8 \times 3) = 15 \times 24 = 360

So basically 15 by 24 is the new dimensions :)

6 0
3 years ago
Oberon Cell Phone Company advertises service for 10 cents per minute plus a monthly fee of $35.00.
Vikentia [17]
First, subtract the monthly fee from the October bill, which would be $52.50.
Now, divide this by $0.10.
Parker talked for 525 minutes.<em /><em />
Hope this helps! :)
7 0
3 years ago
Suppose you spin a spinner that is equally likely to land on any one of the numbers from 1 to 8. What are the odds in favor of l
11Alexandr11 [23.1K]
50% since you have a half chance of getting 1 to 4 and other half is 4-8
8 0
2 years ago
Y=-6x-4 as integer form
Maksim231197 [3]

Answer:

y=-24

Step-by-step explanation:

hope this will help you

3 0
3 years ago
Select the number of punctuation error. Immediately –1 even before I could stop the water,2 another leak occurred,3 and water gu
ozzi

Answer:

C

Step-by-step explanation:

Select the number of punctuation error. Immediately even before I could stop the water, another leak occurred, and water gushed onto the, kitchen floor. A. 1 B. 2 C. 3 D. 4

3. There doesn't need to be a comma after 'the'.

The is a determiner or an article. We don't typically put commas after articles.

7 0
3 years ago
Read 2 more answers
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