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vladimir1956 [14]
1 year ago
9

S is the midpoint of RT. If RS = 7x-4 and ST = 5x+10, what is ST

Mathematics
1 answer:
Natali [406]1 year ago
7 0

Answer: 45

Step-by-step explanation:

RS=ST\\\\7x-4=5x+10\\\\2x-4=10\\\\2x=14\\\\x=7\\\\\implies ST=5(7)+10=45

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Define percent. Write 25/100 as a percent then write 25/100as a decimal
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25 over 100 as a percent is 25% and 25 over 100 as a decimal is .25
4 0
3 years ago
The sides of a triangle are represented by 3x-1, 4x+7, and 2x +11. What is th
Finger [1]

Answer:

9x + 17

Step-by-step explanation:

(3x - 1) + (4x + 7) + (2x + 11)

= 3x - 1 + 4x + 7 + 2x + 11

= 3x + 4x + 2x - 1 + 7 +11

= 9x + 17

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What type of angle is created by the intersection of two perpendicular lines rats or line segment
zmey [24]

It should be a right angle (90º).

6 0
3 years ago
Multiple all the coordinates by 1/5.
Andrew [12]

Answer:

(-1,2) , (2,-1), (2,-1) , (-2,1)

Step-by-step explanation:

-5 x 0.2=-1

5 x 0.2=1

10 x 0.2= 2

-10x 0.2=-2

6 0
3 years ago
ZEFG and ZGFH are a linear pair, mZEFG = 3n+ 21, and mZGFH = 2n + 34. What are mZEFG and mZGFH?
marysya [2.9K]

Answer:

The answer is below

Step-by-step explanation:

∠EFG and ∠GFH are a linear pair, m∠EFG = 3n+ 21, and m∠GFH = 2n + 34. What are m∠EFG and m∠GFH?

Solution:

Two angles are said to form a linear pair if they share a base. Linear pair angles are adjacent angles formed along a line as a result of the intersection of two lines. Linear pairs are always supplementary (that is they add up to 180°).

m∠EFG = 3n + 21, m∠GFH = 2n + 34. Both angles form linear pairs, hence:

m∠EFG + m∠GFH = 180°

3n + 21 + (2n + 34) = 180

3n + 2n + 21 + 34 = 180

5n + 55 = 180

5n = 125

n = 25

Therefore, m∠EFG = 3(25) + 21 = 96°, m∠GFH = 2(25) + 34 = 84°

7 0
3 years ago
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