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Rzqust [24]
3 years ago
9

HOW DO I SIMPLIFY PLZ HELP EXTRA POINT

Mathematics
1 answer:
densk [106]3 years ago
8 0

Answer:

Step-by-step explanation:

remove parentheses by multiplying factors.

use exponent rules to remove parentheses in terms with exponents.

combine like terms by adding coefficients.

combine the constants.

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What is 7/8 of 8/9?<br><br> if you could, include an explanation.<br> thanks
storchak [24]

Answer:

63/64

Step-by-step explanation:

cross multiplication

7*9=63

8*8= 64

4 0
3 years ago
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What is the first quartile of this data set?
Mamont248 [21]
The median is 19 and the lower quartile is the middle number of the 5 numbers before 19 
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B
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3 years ago
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Dividing a Fraction into Equal Groups
Sergeu [11.5K]

Answer:

Each hiker carried the backpack for 1/5 of the total trail distance

Step-by-step explanation:

Three members of a teen hiking group hiked 3/5  of the entire Appalachian trail, each teen carried the backpack the same distance

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3 0
2 years ago
If f(x) = 4x2 - 5x + 7 and g(x) = 3x2 - 2x + 8, find f(x) + g(x). A) 7x2 - 7x + 15 B) 7x4 - 7x2 + 15 C) 7x2 + 15 D) 12x4 - 8x3 +
lutik1710 [3]

Answer:

A) 7x^2-7x+15

Step-by-step explanation:

f(x) = 4x2 - 5x + 7,

g(x) = 3x2 - 2x + 8

f(x) +g(x) =

4x^2 - 5x + 7 + 3x^2 - 2x + 8=

7x^2-7x+15

8 0
3 years ago
Roger has a nail that is 12 centimeters long. He measures and records the length of the nail as 15 centimeters. What is the perc
Marianna [84]
<span>First, calculate the difference between 15 and 12. The operation, subtraction, will give us the answer of 3. Then, divide the calculated value by 12 since this it the theoretical length of the nail. Multiply the quotient by 100% to arrive to the final answer. That is (3/12)(100%). The final answer to this item is 25% which is the last choice. </span>
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3 years ago
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