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Taya2010 [7]
3 years ago
9

The sum of the measures of angle M and angle R is 90°.

Mathematics
1 answer:
Flura [38]3 years ago
3 0
X=5

55+(5x+10)=90

(this is a right triangle since all three angles must add up to 180 degrees)

55+5x+10=90
65+5x=90
-65 -65
——————
5x=25

(get the x alone by dividing both sides by 5)

x=5
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I have 14 Baseballs in 23 tennis balls and some boxes of baseballs with 12 baseball and I have the equal amount of boxes of tenn
katovenus [111]

Answer:

The answer is below

Step-by-step explanation:

I have 14 Baseballs in 23 tennis balls. I bought some boxes of baseballs with 12 baseball to a box and equal amount of boxes of tennis balls with 16 balls to a box. write an expression to represent the total number of balls

Solution:

Let n represent the number of boxes of each type.

Given, the number of boxes of tennis = number of boxes of baseball, hence:

n = number of boxes of tennis = number of boxes of baseball.

Already I have 14 baseball and I bought boxes of baseballs with 12 baseball to a box, therefore:

Number of baseballs = 14 + 12n

I have 23 tennis ball and I bought boxes of tennis balls with 16 baseball to a box, therefore:

Number of tennis balls = 23 + 16n

Total number of balls = number of baseballs + number of tennis balls

Total number of balls = (14 + 12n) + (23 + 16n) = 14 + 23 + 12n + 16n = 37 + 28n

Total number of balls = 37 + 28n

5 0
3 years ago
Round 13.045 to the nearest whole number.
denis-greek [22]
Rounded to the nearest whole number it would be 13
5 0
3 years ago
Read 2 more answers
Choose all the expressions that are equal to 5/9 multiply 8
Lesechka [4]

Answer:

4.44

Step-by-step explanation:

the real answer is 4.44444444444

5 0
3 years ago
Explain to me how to do this please
nataly862011 [7]
You must first attach the problems with your question.
6 0
3 years ago
X-y=3<br> X+2y=-6<br> Solve using substitution
Tresset [83]
X-y=3=>x=3+y
X+2y=-6
=========
3+y+2y=-6
3+3y=-6
3y=-6-3
3y=-9
y=-3

X+2y=-6
X+2(-3)=-6
X-6=-6
X=0
3 0
3 years ago
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