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Shkiper50 [21]
3 years ago
14

Fully simplify ( 3 x + y 4 ) 2

Mathematics
2 answers:
Fiesta28 [93]3 years ago
6 0

Answer:

6x+8y

Step-by-step explanation:

You need to distribute the 2 into the values in the parentheses.

So it's 2(3x) + 2(4y)

Then just solve those.

Ainat [17]3 years ago
5 0

Answer:

2/4-5

Step-by-step explanation:

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A certain positive number is multiplied by 4, and then the result is subtracted from the original number. The result is 21 less
stira [4]

Answer:

The number is 7

Step-by-step explanation:

certain positive number: x

x is multipled by 4:

4x

result of this is subtracted from the original number:

so original number minus 4x,

x - 4x

the result is 21 less than 0, this means negative 21

x - 4x = 0 - 21 = -21

do algebra:

-3x = -21

multiply both sides by -1

3x = 21

divide both sides by 3

x=7

(certain positive number: x) is equal to 7

4 0
3 years ago
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galben [10]

Answer:

12. 9

Step-by-step explanation:

12. Using Pythagoras theorem

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89 = x square

Therefore x = square root of 89

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3 years ago
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elena-s [515]
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3 0
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Find the measure of K
eimsori [14]

Answer:

50+50=100

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5 0
3 years ago
Kate has 48 softballs. She wants to divide them evenly among b softball bags. Which expression represents how many softballs she
SOVA2 [1]

Answer:

Softballs = (48/b)

Step-by-step explanation:

Given that,

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As it is dividing among b softball, it means we divide 48 and b. So,

s=\dfrac{48}{b}

Hence, the required expression is (48/b).

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