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Lelu [443]
3 years ago
9

Simplify the following expressions. Cross out the letter that matches your answer.

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

1. 3x + 5x + 14x = 22x

2. 4x + 7 + 11x = 15x+7

3. 10x + 8 - 3x= 7x+8

4. 6x - 5 + X - 11 = 7x-16

5. -8x + 19 + 2 - 2x = -10x+21

6. X + 23 + 4x - 34 - X = 4x-11

7. 105 + 27x - 68 - 19x - 27 + x = 9x +10

8. 7x + 16 - 3x + 3 - 2x - 2x = 19

9. -18 + 6 - 4x + 10 - 11x + 2 = -15x

10. 16 + 4x - 12x - 28 - 6x + 17 + x - 1 = -13x+4

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By how much does the dependent variable change in response to a change of 1 unit of the independent variable?
dalvyx [7]

Answer: C) 5

--------------

x = independent variable, y = dependent variable

Assuming this is a linear function, each increase of x by 2 leads to y going up by 10. So 10/2 = 5 is the unit increase each time x bumps up by 1.

-------------------

An alternative is to use the slope formula to get

m = (y2 - y1)/(x2 - x1)

m = (25 - 15)/(4 - 2)

m = 10/2 <--- this expression shows up again

m = 5 <---- leading to the same answer as before

So we see that the slope formula is a more drawn out method to finding the answer.

6 0
3 years ago
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Please help with this math problem ASAP! I will give brainliest!
borishaifa [10]
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Step-by-step explanation:

x = 112°

y = z = 180° - 112° = 68°

7 0
3 years ago
Find the perimeter of the triangle using the dimensions shown given below. (a = 57.36 yards; c = 83 yards; h = 54 yards) *
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I'm glad you asked!

Step-by-step explanation:

54 +83+57.36+83 = 211.42

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3 years ago
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HACTEHA [7]

Answer:

A 4/5 × 10 1/2 =8.4

B 2 1/2 × 16/5 =8

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D 20/3 × 9/10 =6

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All 14 members of the high school swim team borrowed $8 each from their coach to purchase dinner while at an away meet. Write a
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#of people given money * (times) amount per person.

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