3 years ago

1. What is the correct reason for statement 5?

Mathematics

1 answer:

kenny6666 [7]3 years ago

7 0

Answer:

addition for number 1...

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irina [24]

Answer:

$x = 30 \\ y = 10$

Step-by-step explanation:

$8x + 6y = 300 \\ x + y = 40 \\ 6x + 6y = 240 \\ 2x = 60 \\ = > x = 30 \\ y = 10$

7 0

3 years ago

7. Simplify the following as much as possible. Simplify x/3 +x/4

Alla [95]

Answer:

$\frac{7x}{12}$

Step-by-step explanation:

Before adding the fractions we require them to have a common denominator.

Multiply the numerator/ denominator of the first fraction by 4

Multiply the numerator/ denominator of the second fraction by 3

$\frac{4x}{12}$ + $\frac{3x}{12}$

Now add the numerators leaving the denominator

= $\frac{4x+3x}{12}$

= $\frac{7x}{12}$

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3 years ago

Read 2 more answers

twelve and three tenths more than five and thirteen thousandths of a number d is equal to fifteen and three hundred two thousand

AVprozaik [17]

5.013d + 12.3 = 15.302
5.013d = 15.302 - 12.3
5.013d = 3.002
d = 3.002 / 5.013
d = 0.599 (thats rounded) <==

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3 years ago

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GenaCL600 [577]

Answer: 3.1

Step-by-step explanation:

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rusak2 [61]

Answer:

ft if

Step-by-step explanation:

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3 years ago