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mariarad [96]
3 years ago
8

What are two integers whose sum is -20

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
5 0
Hey! Hope that I can help!

To do this, all we need to do is find 2 integers that can add up to be -20, or x + [tex]x[tex] = -20. So, to get 2 integers that can add up to a specific value, an easy thing to do is to figure out what could add up to -20. One pair of numbers that would work here is -5 and -15.

If this helped, please mark this answer the brainliest. Thanks!
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in a given classroom the number of girls is 10 greater than number of boys if the ratio of the number of girls to the number of
Xelga [282]

Answer:

a) 35,  b) 25,  c) 60

Step-by-step explanation:

The number of girls is 10 more than the number of boys, so it's a good thing to choose a variable to represent the number of boys.

Number of boys:  b

Number of girls:  b + 10

Ratio of girls:boys is 7:5, so

\frac{b+10}{b}=\frac{7}{5}

"Cross multiply" to get

7b=5(b+10)\\7b=5b+50\\2b=50\\b=25

There are 25 boys.  There are 10 more girls, so the number of girls is 35, and the total number of students is 60.

That's a packed classroom!

8 0
3 years ago
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3 years ago
What value of s in the equation S/6=18?<br>A.108<br>B.24<br>C.12<br>D.3​
Fiesta28 [93]

Answer:

108

Step-by-step explanation:

s=18x6

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5 0
2 years ago
Read 2 more answers
You have decided to wallpaper your rectangular bedroom. the dimensions are 12 feet 6 inches by 10 feet 6 inches by 8 feet 0 inch
Papessa [141]
The wall area is the product of the room perimeter and the room height:
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5 rolls of wallpaper should be purchased.

_____
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8 0
3 years ago
ABCD is a quadrilateral. Work out the length of BC.
Pani-rosa [81]
The answer is B.C. =8.1cm
The working is on the picture

8 1
3 years ago
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