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3 years ago

3X +17+ 5X equals 7X +10

Mathematics

2 answers:

Illusion [34]3 years ago

5 0

The answer is x=-7
you minus 7x to the left side and minus 17 to the right side then you get x= 10-17 which is x=-7

iren [92.7K]3 years ago

4 0

Answer:

I think the answer is x= -7.

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Emily participates in a trivia quiz show. In each round, 20 points are awarded for a correct answer and 10 points are deducted f

kirza4 [7]

Answer:

1. Emily scored 60 points in the first round

2. Emily scored minus 30 points in the second round

3. Emily's final score is 15 points.

Step-by-step explanation:

1. Let's review all the information given to us to answer the questions correctly:

Points awarded for a correct answer = 20

Points deducted for a incorrect answer = 10

2. Let's calculate the score of Emily in the first round:

Score = 7 * 20 - 8 * 10

Score = 140 - 80

Score = 60

Emily scored 60 points in the first round

3. Let's calculate the score of Emily in the second round:

Score = 4 * 20 - 11 * 10

Score = 80 - 110

Score = - 30

Emily scored minus 30 points in the second round

4. Let's calculate the final score of Emily:

Final score = (Score 1st round + Score 2nd round)/2

Final score = (60 + - 30)/2

Final score = (60 - 30)/2 = 30/2 = 15

Emily's final score is 15 points.

4 0

4 years ago

Factor x^2-8x-48 completely

Naddik [55]

Answer: (X-12)(x+4)

The middle number is -8 and the last number is -48.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get -8

Multiply together to get -48

Can you think of the two numbers?

Try 4 and -12:

4+-12 = -8

4*-12 = -48

Fill in the blanks in

(x+_)(x+_)

with 4 and -12 to get...

(x+4)(x-12)

Answer:

(x+4)(x−12)

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3 years ago

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Answer:

20 inches

Step-by-step explanation:

It is because QS and PN are congruent.

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3 years ago

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vekshin1

2+3.25g=y
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2+3.25g=y

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4 years ago

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Twice the sum of two numbers is 36 If one of the numbers is 10 find the other number

Dahasolnce [82]

Answer:

Step-by-step explanation:

10 + 8 = 18

18 x 2 = 36

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3 years ago

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