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AVprozaik [17]
2 years ago
7

It would be appreciated if there could be an explanation along the answer

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
8 0

Answer:

i think probably 80°

Step-by-step explanation:

PQ = RS

2x+3 = 4x-3

x = 3

PTQ = RTS

9y-3x-1 = 5x+7y-5

2y-8x = -4

y-4x = -2

y-4(3) = -2

y-12 = -2

y = -2+12

y = 10

so PTQ = 9y-3x-1

9(10)-3(3)-1

90-9-1

80°

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what number must be added to both numerator and denominator of 16/21 to make the resulting fraction equal to 5/6?
Soloha48 [4]
9 because 16 plus 9 is 25 and 21 plus 9 is 30. now you have 25/30
Now you have to simplify:

25 divided 5 is 5 and 30 divided 5 is 6. So 5/6
4 0
3 years ago
A housepainter buys 40 gallon-size cans of paint for $920. Some of these are blue paint that cost $30 per gallon and the rest ar
zloy xaker [14]

Answer:

28

Step-by-step explanation:

x=blue

y=white

x+y=40

30x+20y=920

30(x+y=40) ; 30x+30y=1200___[1]

30x+20y=920 ; 30x+20y=920___[2]

[1]-[2] : 30x+30y-30x-20y=1200-920

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3 0
2 years ago
Greatest common factor of 112 and 63
FrozenT [24]

Answer:

It's 7!

Step-by-step explanation:

6 0
2 years ago
Yesterday Jack drove 33 1/2 miles he used 1 1/4 gallons of gasoline what is the unit rate for miles per gallon
Ksivusya [100]

Answer: 26 4/5 miles pee gallon

Step-by-step explanation:

From the question, we are informed that Jack drove 33 1/2 miles and that he used 1 1/4 gallons of gasoline. The unit rate for miles per gallon will be calculated by dividing 33 1/2 by 1 1/4. This will be:

= 33 1/2 ÷ 1 1/4

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8 0
2 years ago
Use the X method to find the solutions of<br> 62 + 2x - 20 = 0.
inysia [295]

Answer:

x = -21

Step-by-step explanation:

62 + 2x - 20 = 0.

Combine like terms

42 +2x =0

Subtract 42 from each side

42-42 +2x = 0-42

2x = -42

Divide each side by 2

2x/2 = -42/2

x = -21

3 0
3 years ago
Read 2 more answers
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