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Ainat [17]
2 years ago
14

Which of the following expressions is not equivalent to (-2)(8 + 6 + -3)?

Mathematics
1 answer:
MArishka [77]2 years ago
8 0

Answer:

D is -31 also i checked to make sure.

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Write x2 - 2x + 5 = 0 in vertex form. (Be sure to write your response in the form a(x-h)^2+k=0 with no spaces!)
Drupady [299]
To write the given quadratic equation to its vertex form, we first form a perfect square.
 
                x² - 2x + 5 = 0
Transpose the constant to other side of the equation,
                x² - 2x = -5
Complete the square in the left side of the equation,
              x² - 2x + (-2/1(2))² = -5 + (-2/1(2))² 
Performed the operation,
                x² - 2x + 1 = -5 + 1
Factor the left side of the equation,
               (x - 1)² = -4

Thus, the vertex form of the equation is,
          <em>  (x-1)² + 4 = 0</em>
4 0
3 years ago
On Saturday, you bowl at Mar vista Bowl, where renting shoes costs $2 and each game bowled is $3.50. On Sunday, you bowl at Pinz
7nadin3 [17]

Answer:

  • 12 games

Step-by-step explanation:

Let the number of games is g

<u>Total cost at Mar Vista:</u>

  • 3.5g + 2

<u>Total cost at Pinz:</u>

  • 3.25g + 5

<u>Since same amount spent in both places, we have:</u>

  • 3.5g + 2 = 3.25g + 5
  • 3.5g - 3.25 = 5 - 2
  • 0.25g = 3
  • g = 3/0.25
  • g = 12
8 0
2 years ago
Yen paid $10.50 for 2.5 pounds of pretzels. What price did she pay for each pound of pretzels?
Furkat [3]

Answer:

The first step is to multiply by a power of 10, so the divisor is a whole number.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Factor completely: x^2 - 5x - 6
Tom [10]

Answer:

x×x-5x-6

x × -4X - 6

Step-by-step explanation:

x×x-5x-6

x × -4X - 6

6 0
3 years ago
Match each figure with the number of edges it has.
Rashid [163]

Answer:

Rectangular prism- 12 edges

Rectangular pyramid- 8 edges

Triangular pyramid- 6 edges

Triangular prism- 9 edges

I hope this helps!

6 0
3 years ago
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