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4 years ago

Write words to match the expression 3 + (4 × 12)

Mathematics

2 answers:

Nikolay [14]4 years ago

8 0

Answer:

4 times 12 plus 3

Step-by-step explanation:

soldi70 [24.7K]4 years ago

3 0

Answer:

cccc

Step-by-step explanation:

cccccc

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Answer:

$3 \frac{3}{ 19}$

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Which of the following are solutions to the equation below?

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Wolfrich lived in Portugal and Brazil for a total period of 14 months in order to learn Portuguese. He learned an average of 130

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4 years ago

You bought a car for $5,000. Each year it depreciates in value by 8.5% which equation can be use to find the value, v, of the ca

sergeinik [125]

Answer:

I believe this is the answer

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Step-by-step explanation:

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3 years ago

Read 2 more answers

L 5.2.3 Quiz: Two-Variable Systems: Substitution

Misha Larkins [42]

Answer:

We get x=3 and y=21

The ordered pair will be: (3,21)

Step-by-step explanation:

We need to use the substitution method to solve the system of equations.

$y = 10x-9\\y = x + 18$

For substitution method we substitute the value of x or y from one equation to other.

Let:

$y = 10x-9--eq(1)\\y = x + 18--eq(2)$

Putting value of y from equation 2 into equation 1

$y=10x-9\\Put\:y=x+18\\x+18=10x-9\\x-10x=-9-18\\-9x=-27\\x=\frac{-27}{-9}\\x=3$

So, we get value of x=3

Now, for finding value of y, We substitute the value of x

Find value of x from equation 2

$y=x+18\\x=y-18$

Now, putting value of x in equation 1

$y=10x-9\\Put\:x=y-18\\y=10(y-18)-9\\y=10y-180-9\\y-10y=-189\\-9y=-189\\y=\frac{-189}{-9}\\y=21$

So, we get value of y=21

So, We get x=3 and y=21

The ordered pair will be: (3,21)

6 0

3 years ago