3 years ago

Please help ASAP!!!!!!

1 answer:

3 0

The temperature and the number of people wearing coats has a negative correlation because as the temperature decreases the number of people wearing coats increases.

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A sample is random sample is valid

wlad13 [49]

If the sample is random, it is not valid.

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3 years ago

Read 2 more answers

Which proportion could be used to determine if the figures represent a dilation? 2/3=5/8, 2/3=8/5, 2/8=5/3, or 2/8=3/5?

Maurinko [17]

Answer:

The answer is A. 2/3 =5/8

Step-by-step explanation:

5 0

3 years ago

18. What is the value of 4k + 6(j – 2) when k = 3<br> and j = 5?

Alexxx [7]

Answer:

Step-by-step explanation:

you plug in k with 3 and j with 5

4 times 3 + 6(5 – 2) = 30

6 0

2 years ago

. The exterior angles of a triangle are (2x+10)⁰, (3x-5) ⁰ and (2x+40) ⁰.

Pepsi [2]

The exterior angles of a triangle are (2x+10)⁰, (3x-5) ⁰ and (2x+40) ⁰

To get interior angle for each , subtract from 180

$180-(2x+10)=170-2x\\180-(3x-5)=185-3x\\180-(2x+40)= 140-2x$

Sum of interior angles = 180

$170-2x+185-3x+140-2x=180$

$-7x+170+185+140=180\\-7x+495=180\\-7x+495-495=180-495\\-7x=-315\\x=45$

$170-2x=170-2(45)=80\\185-3x=185-3(45)=50\\140-2x=140-2(45)=50$

Answer: x=45

smaller angle =50 degree

largest interior angle = 80 degrees

5 0

3 years ago

Simplify.

Oksana_A [137]

Combine like terms:

-8 -5 = -13

-6x +2x = -4x

Answer: -13 -4x

5 0

3 years ago