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Karolina [17]
3 years ago
5

Help with math homework

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0
1) 65+57= 122
180-122= 58

2) 40+90=130
180-130=50

3) 130+20=150
180-150=30

4) 85+50= 135
180-135=45

Sorry, IDK the rest. So so sorry.
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A baby who was 18 inches at birth is now 24 inches by what percentage did the babys height increase
Kazeer [188]

Answer:

≈33.3%

Step-by-step explanation:

First we find the difference of the heights to see what the growth was

24-18 = 6

Then we find what percent 6 is of 18 to see what percentage growth occured

6/18 ≈33.3%

8 0
2 years ago
13 = 6x - 2<br> Solve for x <br> Need ASAP
ki77a [65]

Answer:

x=5/2

Step-by-step explanation:

1. 13=6x-2 (add 2 to each side)

2.15=6x (divide each side by 6)

3.15/6=x (simplify the fraction by dividing by 3)

4.5/2=x (answer)

8 0
3 years ago
Read 2 more answers
Whichwhich would you measure using inches? A. length of a pen B. height of a flagpole C. length of a cross-country race course D
Taya2010 [7]

Answer:

The length of a pen.

Step-by-step explanation:

A length of a pen is around three inches and is reasonable but all of the others are way too big and can be measured in feet or miles.

3 0
2 years ago
Explain how you did it!
Sergio [31]
Ratio s 3:8
other one is x:12

3:8=x:12
3/8=x/12
times both sides by 12
36/8=x
4 and 4/8=x
4.5=x
4 and 1/2=x

J is answer
5 0
3 years ago
Simplify the expression: x2+x(x-5) -x+7
Veronika [31]
Hi mate!

The answer after simplifying is: 2x^2-6x+7

Please let me know if you need further assistance! Have a terrific evening.
~Brooke❤️
8 0
3 years ago
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