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Wewaii [24]
3 years ago
7

Solve: x + 3 = -x + 7 (5 points)

Mathematics
2 answers:
makvit [3.9K]3 years ago
7 0

Answer:

x = 2

Step-by-step explanation:

x + 3 = -x + 7

Add x to each side

x+x + 3 = -x+x + 7

2x+3 = 7

Subtract 3 from each side

2x = 7-3

2x = 4

Divide by 2

2x/2 = 4/2

x = 2

leva [86]3 years ago
5 0

Answer:

X+3 = -x+7

-3. -3 subtract from each side

X. = -x+4

+× +x. Add to each side

2x. = 4

/2. /2 divide each side

X. =2

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Whats the awnser to the image that is selected?????
VikaD [51]

Answer:

30 units

Step-by-step explanation:

In order to find the length of the 3rd side of the triangle, the hypotenuse, you can use the Pythagorean Theorem. Using this method, you get 5^2+12^2=169. The square root of 169 is 13.

5 + 12 + 13 = 30 units.

7 0
2 years ago
How many numbers are less than 1000 that contain only the digits 5 or 6 or both 5 or 6? A digit may be used more than once. 
yaroslaw [1]
5,6
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65,66
555,556,565,566
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6 0
3 years ago
A store buys 7 sweaters for $42 and sells them for $182. How much profit does the store make per sweater?
defon

Answer:

$20 per sweater.

Step-by-step explanation:

It is given that,

A store buys 7 sweaters for $42 and sells them for $182.

We need to find how much profit the store make per sweater.

The amount the store bought the sweaters fr is calculated as follows :

$182- $42 = $140

Profit the store made per sweater is given by :

\dfrac{140}{7}=20

Hence, the store will make $20 per sweater.

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3 years ago
The area of a rectangle is 12x^2 - 29x + 15. The width is 4x-3. What is the length of the rectangle.
allochka39001 [22]

Answer:

Step by step explanation :

Given:

it is given that in a rectangle the area is is 12x^2 -29x + 15

and the width is 4x- 3

Solution :

The rest is given in pic.

Thank u, please please mark it is Brainliest!

Hope u submit on time!

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