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Ratling [72]
3 years ago
15

It said it was wrong

Mathematics
1 answer:
IRINA_888 [86]3 years ago
5 0

Answer:

well then, what was right?

Step-by-step explanation:

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16+5x=8x-5 What would the variable be?
11111nata11111 [884]
16+5x =8x-5

Reorder the terms
16+5x = -5+8x
Solving for variable for x

Move all terms containing x to the left, all other terms to the right.
Add -8x to each side of the equation.
16+ -3x = -5 + 8x + -8x

Combine like terms: 5x + -8x=-3x
16+-3x = -5 + 8x + -8x

Combine like terms: 8x + -8x = 0
16+-3x = -5 + 0
16+ -3x = -5

Add -16 to each side of the equation
16+-16 + -3x = -5 + 16

Combine like terms: 16+ -16 = 0
0 + -3x =-5 + -16
-3x = -5 + -16

combine like terms: -5 + -16 = -21
-3x = -21
Divide each side by -3
x=7


7 0
3 years ago
Kim bought a hat. in California. The hat cost $15 before the 8% sales tax was applied. How much did Kim pay for the hat after ta
gizmo_the_mogwai [7]

Answer:

$16.2

Step-by-step explanation:

15 x .08 [wonder how i got .08? 8% = 0.8]

= 1.2

here's where most people mess up, they usually forget to add the tax to the original cost.

15 + 1.2=

$16.2

7 0
2 years ago
Evaluate the function at the given point ​
Elena-2011 [213]

Answer:

y=-2

Step-by-step explanation:

On the graph, It says where x is -15, y is -2.

7 0
2 years ago
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Just help, my brain shutdown and its currently 9:51, so help me asap. <3
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Answer:

B hope this helps!

Step-by-step explanation:

Trust <3

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2 years ago
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Which types of reasons are not valid in a mathematical proof?
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It's definitely A, gotta be.
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3 years ago
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