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saw5 [17]
3 years ago
8

7. Solve the equation. x + 3 = 3x - 7 A-10 B - 12 05 OD-2

Mathematics
2 answers:
VladimirAG [237]3 years ago
7 0

Answer:

C. x = 5

Step-by-step explanation:

x + 3 = 3x - 7

Add -3x and -3 on both sides.

x - 3x = -7 -3

Add or subtract like terms.

-2x = -10

Multiply -1 on both sides.

2x = 10

Divide 2 into both sides.

2x/2 = 10/2

x = 5

damaskus [11]3 years ago
5 0
The correct answer is C : 5

Step by step:

1. Subtract -3 on both sides and get x = 3x -10

2. Subtract 3x on both sides and get -2x= -10

3. Divide -2 on both sides and get x=5 as your answer!!
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Answer:

you should divide 106/9.99

5 0
3 years ago
Find the slope of the line that passes through (5, 7) and (8, 8). Simplify your answer and write it as a proper fraction, improp
Taya2010 [7]

Answer:

The Slope is calculated Using the formula

\frac{y2 - y1}{x1 - x2}

The line passed through (5, 7) and (8, 8):

The slope is

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The slope equals

\frac{1}{3}

6 0
3 years ago
A cereal box has the dimensions shown. A drawing of a rectangular prism shaped cereal box with length 9 inches, width 4 inches a
malfutka [58]

Answer:

surface area of the rectangular shaped cereal box = 384  ft²

Step-by-step explanation:

The cereal box is a rectangular prism . The rectangular prism has a length of 9 inches, height of 12 inches and width of 4 inches . The surface area can be computed below .

Surface area of the prism is the sum of the area of all the faces. Therefore,

surface area = 2wl + 2lh + 2hw

where

l = length

w = width

h = height

surface area = 2wl + 2lh + 2hw

l = 9 inches

w = 4  inches

h = 12 inches

surface area = 2(4 × 9) + 2(9 × 12) + 2(12 × 4)

surface area = 2(36) + 2(108) + 2(48)

surface area = 72 + 216  + 96

surface area of the rectangular shaped cereal box = 384  ft²

 

4 0
4 years ago
The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.65, and they leave a 20% ti
MArishka [77]
The total tip is 15.72

The cost of dinner with the discount is 66.85 (rounded to the nearest cent) 

66.85 + 15.72 = 82.57
7 0
4 years ago
Find the slope of the line graphed below.
Virty [35]

Slope is the change in y over the change in x.

Using the red dots:

Slope = (4 -1)/(4- -1) = 3/5

Slope = 3/5

8 0
3 years ago
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