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olga_2 [115]
3 years ago
6

Twice the difference of 9 and a number

Mathematics
1 answer:
Oksanka [162]3 years ago
6 0

Answer: 2(9-x)

Step-by-step explanation:

X equals the number

The difference means subtraction and it says the difference of 9 and a number which is 9-x

You multiply by the whole the whole thing because it says twice nine AND a number

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iris [78.8K]
5.8 * 10^7

2.5* 10 ^ -3
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2 years ago
The lines shown below are parallel. If the green line has a slope of -27, what is
photoshop1234 [79]

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely.

The correct option is A.

<h3>What is a line?</h3>

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely.

The slope of the parallel line is always equal. Given the slope of the green line is -3/7, also, it is parallel to the red line. Therefore, the slope of the red line is -3/7.

Hence, the correct option is A.

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8 0
2 years ago
4c+6+2<br><br> if anyone can tell me the answer it would mean so much!
hodyreva [135]

Answer:

Just combine like terms

6+2=8

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3 0
3 years ago
Read 2 more answers
Justin wants to buy a new bicycle, which costs $266.52. His parents have promised to contribute one-fourth of the cost of the bi
Oliga [24]

Answer:

$199.89

Step-by-step explanation:

The bike costs 266.52

The parents are contributing one fourth of this (1/4)

We need to find 1/4th of 266.52

Divide 266.52 by 4 to find out how much Justin's parents are contributing to the bike

The answer is 66.63

Now subtract 66.63 from 266.52

Justin has to pay a total of 199.89

5 0
3 years ago
Enter the value if x+27
Sonja [21]

Answer:

Shown Below

Step-by-step explanation:

Alright so first off we are going to use the little 67 on that corner. We know that it's a supplementary angle, and supplementary angles add up to 180.

180 - 67 = 113.

Inside angles of a triangle all add up to 180. Using that we can create the equation:

(x + 27) + x + 113 = 180

simplify.

2x + 140 = 180

subtract 140 on both sides.

2x = 40

divide both sides by 2

x = 20

substitute x into the asked equation.

(20 + 27) = 47

47 is your answer.

7 0
2 years ago
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