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statuscvo [17]
2 years ago
15

How many solutions does each system of equations have?

Mathematics
1 answer:
melamori03 [73]2 years ago
6 0

Answers: y= 5x-4

Step-by-step explanation:

Steps:

[y=5x-4

12=15x-3y]

Substitute y=5x-4

[ 12=15x-3(5x-4) ]

Simplify

The solution is

y= 5x-4

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The sum of 3 times a number and 4 is 9.
larisa [96]

Answer: x = 5/3

Step-by-step explanation:

Let the number be x

Then

3x + 4 = 9

3x = 9-4

3x = 5

x = 5/3

please click thanks and mark brainliest if you like :)

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2 years ago
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x intercept = 3

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3 years ago
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What is an estimate for 17 divided by 1569
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3 years ago
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Cting Polynomials: Practice
Colt1911 [192]

The option that's true regarding the sum and difference of the polynomial p(x) and b is B. The sum and difference of p(x) and b are polynomials.

<h3>How to illustrate the information?</h3>

From the information given, it was stated that p(x) is a polynomial and is given as p(=) = a₁ + a₁ + a₂=² + ... + an.

In this case, it should be noted that the sum and difference of p(x) and b are polynomials.

They can't be integers as the function given is represented as a polynomial.

In conclusion, the correct option is B.

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7 0
1 year ago
A refrigerator costs $580 a year to run. A family purchases a new one for $1200 that will save them 22% annually in energy costs
NeTakaya

Answer:

It will take nine years and four months for the refrigerator to pay for itself.

Step-by-step explanation:

The new refrigerator which costs $1200, saves the family 22% annually in energy cost.

Since the old refrigerator costs $580 to run, we want to determine how many years it will take for 22% of $580 per year to make $1200.

22% of $580

= 580 × 0.22

= 127.6

That is, it saved then $127.6 per year.

Now,

$1200/127.6

≈ 9.4

Which means, it will take 9 years and 4 months for the refrigerator to pay for itself.

7 0
2 years ago
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