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Harman [31]
3 years ago
13

Solve for x if: y = -6 and -10x + 7y = 18 A) 8 B)-18 C)-6 D)9

Mathematics
1 answer:
solong [7]3 years ago
4 0

Answer:

Step-by-step explanation:

-10x+7(-6)=18

-10x-42=18

      +42 +42

___________

-10x/-10=60/-10

x= -6

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Robert says 12 divide by 3//4 = 9. He used the following steps: 12/1 × 3/4 = 36/4 What error did Robert make? A. Robert used sub
wlad13 [49]

Answer:

C and D are the same answers but one of those.

Step-by-step explanation:

Um, I got what Robert got, so by process of elimination, it must be C or D. I used multiplication, so it wasn't subtraction or addition. Meaning whatever a reciprocal is, I didn't do that.

8 0
3 years ago
What is the partial products that results from multiplying 15 times 32
sergejj [24]

See attached PDF. (The censor thinks there are some unseemly words in there.)

Download pdf
6 0
3 years ago
Solve for y:<br> x + 2y = -8<br><br> y=-1/2x+4<br> y=-1/2x-4<br> y=-2x - 4<br> y=1/2x-4
adelina 88 [10]

Answer:

x + 2y = -8 = y = -4 - 1/2x

y= -1/2x + 4 =  y = 4

y= -1/2x - 4 = y = -4

y=-2x - 4 = y = -4

y=1/2x-4 = y = -4

Step-by-step explanation:

(x + 2y = -8 = y = -4 - 1/2x)

x+2y=-8\\2y=-8-x\\y=-4-\frac{1}{2}x\\

4 0
3 years ago
A line has a slope of 2/3 and a y-intercept of −5.
aniked [119]
The best and most correct answers among the choices provided by the question are:

<span>▢A. -2x+3y=-15
▢B. y=2/3x-5</span>

y = mx + b. where m is the slope<span> of the line and b is the y-</span>intercept<span> of the line, or the y-coordinate of the point at which the line crosses the y-axis. To write an equation in </span>slope-intercept form<span>, given a graph of that equation, pick two points on the line and use them to find the </span>slope<span>.</span>

I hope my answer has come to your help. God bless and have a nice day ahead!
6 0
3 years ago
Can someone tell me how do I solve this. how is the result 2.40
liubo4ka [24]

Step-by-step explanation:

<u>Properties used</u>

  • logₐ a = 1
  • log aᵇ = b log a
  • log ab = log a + log b

See the steps below

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  • - (- 2.4) =
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6 0
2 years ago
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