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bogdanovich [222]

3 years ago

13

If a quadrilateral has four congruent angles, it is a rectangle F or T?

2 answers:

Drupady [299]3 years ago

7 0

False Dont quote me though

tiny-mole [99]3 years ago

6 0

All quadrilaterals have 360 degrees in all 4 angles added up. If all 4 angles are congruent, they must all be 90 degrees, making it a rectangle. So the answer is true.

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In the library at lenape elmentary school, there are 3/8 as, many fiction books as there are nonfiction books. There are 44 book

N76 [4]

Answer:

12 fiction books.

Step-by-step explanation:

Let b represent number of non-fiction books.

We have been given that in the library at Lenape elementary school, there are 3/8 as many fiction books as there are nonfiction books. So number of fiction books would be $\frac{3}{8}x$ .

We are also told that there are 44 books in school library. We can represent this information in an equation as:

$x+\frac{3}{8}x=44$

Let us solve for x.

$\frac{8x}{8}+\frac{3}{8}x=44$

$\frac{8x+3x}{8}=44$

$\frac{11x}{8}=44$

$\frac{11x}{8}\cdot \frac{8}{11}=44\cdot\frac{8}{11}$

$x=4\cdot 8$

$x=32$

Therefore, there are 32 non fiction books in the library.

Number of fiction books would be $\frac{3}{8}x\Rightarrow \frac{3}{8}*32=3*4=12$

Therefore, there are 12 fiction books in the library.

5 0

3 years ago

How do we find the rate of a loan if the total payment is $1,235. The loan was $800 in 5 years

garik1379 [7]

$1235-$800=$435 thus the I which is the simple interest
:I=PRT all over 100
435=800(R) (5)all over 100
43500=4000R
:R=10.88%

7 0

3 years ago

Convert the following into standard form<br> Y=7/5x+1

vlabodo [156]

Answer:

7x - 5y = -5 this is the standard form

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Step-by-step explanation: just took the test

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