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Shtirlitz [24]
3 years ago
9

Answer these questions

Mathematics
1 answer:
Andre45 [30]3 years ago
6 0
1) D. 5 answers are correct: -2, -1, 0, 1, 2.

2) C. Try plugging them in. 

3) C. Vertex is (-h, k). 

4) B is the right answer here. 
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Finding the length of each side
Fiesta28 [93]

Answer:

see explanation

Step-by-step explanation:

The perimeter is the sum of the 3 sides of the triangle.

Sum the sides and equate to 54, that is

3x + 4x + 5x = 54, that is

12x = 54 ( divide both sides by 12 )

x = 4.5

Thus

AB = 3x = 3 × 4.5 = 13.5 in

BC = 4x = 4 × 4.5 = 18 in

AC = 5x = 5 × 4.5 = 22.5 in

5 0
3 years ago
Of the 80 boys polled at lunch, 55% say they play video games daily. According to the poll, how many boys play video games daily
alexdok [17]

55% = \frac{55}{100} = \frac{11}{20}

Multiply \frac{11}{20} by 80 and you will get how many boys play video games daily.

\frac{11}{20}*80=\frac{11}{1}*4=11*4=44

44 is the number of boys who play video games daily.

8 0
3 years ago
Help me out plzzz???!
nlexa [21]

Answer:

1/4x^2 - 1/4x - 1/4

Step-by-step explanation:

I multiplied the two binomials at the top to get 6x^2 + x -2 and I divided it by 24x^2 - 4x - 8 and simplified it to get 1/4x^2 - 1/4x - 1/4

4 0
3 years ago
Please help me wiht this
Alex17521 [72]

Answer:

Kevin

Step-by-step explanation:

5 0
3 years ago
Three times x less than y is five times y plus two times x in a verbal sentence please help
tankabanditka [31]
SOLUTION:

As an equation it is:

y - 3x = 5y + 2x

If you are asking for it as a sentence ( I will do it as a written sentence as I unfortunately can't show you the sentence verbally as you had asked ), then it is as you had written in your question so:

Three times x less than y is five times y plus two times x

Or you could write is as:

y subtracted by three times x is equivalent to the sum of five times y and two times x.

Essentially, even with the small alterations that you can make to the phrasing and sentence structure, the concepts are the same so you can use one of the above answers or alter it as you please.

Hope this helps! :)
6 0
3 years ago
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