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iren [92.7K]
3 years ago
13

Simplify the following expression:

Mathematics
2 answers:
elena-s [515]3 years ago
6 0

Answer:

3x^2-15y-10x

Step-by-step explanation:

2x-12x-8y+7y+3x^2

-10x-15y+3x^2

3x^2-15y-10x

Brilliant_brown [7]3 years ago
6 0

Answer:

Step-by-step explanation:

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Hi how was your day so far
Nana76 [90]

Answer:

Goof how, about you?

Step-by-step explanation:

Because you asked

8 0
3 years ago
22 - 3 × 6 + 5^2<br> A.<br> 38<br> B.<br> 139<br> C.<br> 29<br> D.<br> 65
baherus [9]

Answer:

C. 29

Step-by-step explanation:

  • 22 - 3 × 6 + 25
  • 22 - 18 + 25
  • 4 + 25
  • 29
6 0
3 years ago
Which of the following are monomials?
kari74 [83]
Obvy irrealivent who ever this is. tell your teacher shes wack bruh

8 0
3 years ago
Which line has the greatest slope?
OleMash [197]

Answer:

Line B

Step-by-step explanation:

  • Automatically, we can eliminate Line C, because the slope is negative, since the question's asking which one is the greatest slope. However, if you do want to find the slope of Line C, you can use the rise/run method or the slope formula. Using the coordinate sets (0, 0) and (1, -2) and applying y2-y1/x2-x1 = -2-0/1-0 = -2/1 = -2.
  • Line A's slope is 1/2. You can either find this out by applying the rise/run formula (rise = 1, run = 2) or you can find 2 coordinate sets to solve for slope. In this case, I'll use (0, 0) and (2, 1). Using the formula y2-y1/x2-x1... 1-0/2-0 = 1/2.
  • Line B's slope is 2. As stated in Line A, you can find this by applying the rise/run formula or using 2 coordinate sets. I'll use the points (0, 0) and (1, 2). Using the formula y2-y1/x2-x1... 2-0/1-0 = 2/1 = 2.

Since the question is asking which line has the greatest slope, the line that has the greatest slope would be Line B. (2 > 1/2 > -2)

4 0
3 years ago
What is the surface area of the cube shown?<br> sides are 6.5
r-ruslan [8.4K]

Answer:

253.5

Step-by-step explanation:

The formula for the surface area of a cube is

A=6a²

fill it in to get

A=6(6.5)²

6.5² is 42.25

so your equation should look like this

A=6(42.45)

multiply 6 by 42.25 and you get 253.5 which is the answer

Hope this helps!

4 0
3 years ago
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