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EleoNora [17]
3 years ago
5

The interior angles of a triangle are

Mathematics
1 answer:
lbvjy [14]3 years ago
4 0

Answer:

8x+13y = 130

Step-by-step explanation:

sum of interior angles in a triangle is 180 degree

interior angles are (5x+3y)∘,(3x+20)∘, and (10y+30)

add all the angles and make it equal to 180

5x+3y+3x+20+10y+30= 180

combine like terms

5x+3y+3x+20+10y+30= 180

8x+13y+x+50= 180

subtract 50 from both sides

8x+13y = 130

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the distance between Two Cities on a map is 4.125. find the actual distance if the scale on the map was 2 inches = 40 miles
atroni [7]

Answer:

85 miles.

Step-by-step explanation:

Lets begin by figuring out the number of miles in 4 inches. Since every 2 inches make 40 miles, we can figure out that there are 80 miles in 4 inches. To figure out that .125 part, we multiply 40 by .125, to get 5. We can add 80 plus 5 to get our grand total of 85 miles.

7 0
3 years ago
Keith will run at most 39 miles this week. So far, he has run 21 miles. What are the possible numbers of additional miles he wil
Luda [366]
Uhhh 18?? 9+9, 10+8, 7+11, 6+12, 5+13, 4+14, 3+15, 2+16, 1+17
3 0
2 years ago
For which equation would x = 5 be a solution?
tresset_1 [31]

Answer:

The second option.

3x + 6 = 21.

Step-by-step explanation:

3x + 6 = 21.

If x = 5, plug it in.

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15 + 6 = 21

Hope this helps,

Davinia.

7 0
3 years ago
H + 169 = 759 solve for h
steposvetlana [31]

Answer:

h = 590

Step-by-step explanation:

To find x, rearrange the equation to where h is on its own side.

<u>Rearranged equation:</u>

759 - 169 = h

Since 169 added to h was to find 769, 169 subtracted from 759 represents h.

<u>Solve:</u>

759 - 169 = 590

590 = h.

5 0
2 years ago
-2 - 10j = -9j -3<br>Is that <br>no solution<br>one solution<br>infinitely many solution​
jasenka [17]
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3 years ago
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