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o-na [289]
3 years ago
12

The expression on the left side of an equation is shown below.

Mathematics
1 answer:
kifflom [539]3 years ago
3 0

9514 1404 393

Answer:

  (d)  -2(x +5)

Step-by-step explanation:

For an infinite number of solutions, the left and right sides of the equal sign must have equivalent expressions.

<u>Left side</u>

  -5(x +2) +3x

  = -5x -10 +3x

  = -2x -10

  = -2(x +5)

<u>Right Side Choices</u>

(a) -5x +15 +2x = -3x +15

(b) -5x -10

(c) x -2x +2 +3x = 2x +2

(d) -2(x +5) = -2x -10 . . . . . . . matches left-side expression

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Carly paid $17.50 for 7 gallons of gas and Jade paid $45 for 15 gallons of gas. Which of the following statements is true?
KatRina [158]

Answer:

Jade paid more per gallon than Carly

Step-by-step explanation:

3 0
3 years ago
Mr James spent $62.60 ordering sandwiches for his staff he tipped the delivery driver 20% how much did he spent altogether.
m_a_m_a [10]

Answer:

He spend 75.12

Step-by-step explanation:

First determine the amount of the tip

62.60 * 20%

62.60 *.20

12.52

Add this to the cost of the sandwiches

62.60+ 12.52

75.12

6 0
2 years ago
Read 2 more answers
I'm taking a special math class to help in prove in a few areas before the real stuff begins. Heres the question.
Alekssandra [29.7K]
Whole numbers are numbers that are not fractions and do not include negative numbers
an example is
0,1,2,3,4,5,....

so let's see if any numbers make the statements fale
y is z less than x
y=-z+x
does this equal y+x=z?
y=-z+x
add z
y+z=x
subtract y
z=-y+x
not equal to z=y+x
so first is not the answer

y is z more than x
y=z+x
subtract x
y-x=z
not equal to z=y+x
so secod is not answer either


x is y less than z
x=-y+z
add y
x+y=z
this is equal to x+y=z to this is correct

xis y more than z
x=y+z
subtract y
x-y=z
this is not equal to x+y=z

therefor the answer is x is y less than z

8 0
3 years ago
Read 2 more answers
Please someone can check out if my answers are correct. Thanks
Lana71 [14]

#9 . . . #12, and #14:  Excellent.  All correct, and good estimates.

#13:  A very picky comment: 
Your math is correct, but the camera can't take 2/3 of an image. 
That's why the question asked "How many complete images ...".
After 66 images, there is still some time remaining, but not enough
for another image.  So it captures 66 complete images in 3 seconds.


If you are really in elementary school, then I think you're doing
the work of a prodigy.  Keep it up !  And best of luck to you.

4 0
3 years ago
What is the value of m2 -2mn+n2 for m=-2 and n=4?<br> 0<br> 0<br> -36<br> -4<br> 04<br> 36
GuDViN [60]

Answer:

36

Step-by-step explanation:

Given

m² - 2mn + n² , substitute values

= (- 2)² - 2(- 2)(4) + 4²

= 4 - 2(- 8) + 16

= 4 + 16 + 16

= 36

5 0
3 years ago
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