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TiliK225 [7]
3 years ago
8

To find the value of the following expression,which operation should you do first and solve the problem following PEMDAS. The ex

pression is 20-(7+4) times 5.
Mathematics
1 answer:
Ymorist [56]3 years ago
8 0
Add the 7 and 4, which =11.
multiply times the 5, =55
and 20-55= -35
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8c + c<br><br>I need this answer asap​
Elden [556K]

Answer:

9c

Step-by-step explanation:

8c +c = 9c

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Write the product of 0.4. X 0.4 x 0.4 in exponential form
Mama L [17]

Answer:

(.4) ^3

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Read 2 more answers
Which of the following is the solution set to the equation -4(x+1)^2 -3=- 51
ANTONII [103]

Answer:

x is equal to 2.5 and -4.5

Step-by-step explanation:

-4(x + 1)² - 3 = -51

-4(x² + 2x + 1) - 3 = -51

-4x² - 8x -3 - 3 = -51

-4x² - 8x - 6 = -51

-4x² - 8x = -45

-4(x^2 + 2x) = -45

-4(x^2 + 2x + 1) = -49

-4(x + 1)² = -49

(x + 1)² = 49/4

x + 1 = ± √(49/4)

x + 1 = ± 7/2

x = -1 ± 3.5

x = 2.5, -4.5

6 0
2 years ago
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