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Daniel [21]
3 years ago
14

Which expression is equivalent to the 70 + (65 + 80)? (70 + 65) × (70 + 80), (70 × 65) + (70 × 80), (70 × 65) + 80, (70 + 65) +

80, or None of the above
Mathematics
1 answer:
patriot [66]3 years ago
3 0

Answer:

D) (70 + 65) + 80

Step-by-step explanation:

70 + (65 + 80) = 215

A) (70 + 65) × (70 + 80) = 135 × 150 = 20,250

B) (70 × 65) + (70 × 80) = 4,550 + 5,600 = 10,150

C) (70 × 65) + 80 = 4,550 + 80 = 5,030

D) (70 + 65) + 80 = 135 + 80 = 215

E) None of the above

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The graph of y=x^3+x^2-6x is shown....
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Step-by-step explanation:

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8p + 10p – p – 8p + 5 = 50
Lemur [1.5K]
The answer is p = 5.

Here are the steps I did.

1. Simplify 8p + 10p - p - 8p + 5 to 9p + 5 ( 9p + 5 = 50)

2. Subtract 5 from both sides ( 9p = 50 - 5)

3. Simplify 50 - 5 to 45 ( 9p = 45)

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Answer question 14 please
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D

Step-by-step explanation:

Z is the only relation that does not pass the vertical line test, so Z is not a function.

Answer: D

7 0
2 years ago
Given: sin theta=2/3 and is in the second quadrant; evaluate the following expression. sin 2 theta
Dmitry [639]

Answer:The answer to your question is 3. 0

Step-by-step explanation:

Process

1.- Find the cos a

  Opposite side = 5

  Hypotenuse = 13

  Adjacent side = ?

  Adjacent side² = 13² - 5²

                          = 169 - 25

                          = 144

 Adjacent side = 12

cos a = 12/13

2.- Find the sin b

sin b = 5/13

3.- Use the formula below to find sin(a + b)

              sin (a + b) = sina cosb  + sin b cos a

- Substitution

              sin (a + b) = (5/13)((-12/13) + (5/13)/12/13)

- Simplification

              sin (a + b) = -60/169 + 60/13

- Result

              sin(a + b) = 0                        

Step-by-step explanation:

4 0
3 years ago
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