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zvonat [6]
4 years ago
10

How do you do 4x + 5y =13

Mathematics
2 answers:
DedPeter [7]4 years ago
7 0
You solve for either X or Y, substitute that answer in, and then solve for the other factor. Substitute that in and solve :) Y= -6 X= 10.75
Yuri [45]4 years ago
6 0
Subtract 4x then divide by 5. Then graph it so your equation is y=-4/5x + 2.6
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(30 POINTS AND BRAINLIEST) Show all work to solve 3x^2 + 5x − 2 = 0.
Dahasolnce [82]

Answer:

The answer to your question is:    (x + 2)(3x - 1) = 0

x1 = -2

x2 = 1/3

Step-by-step explanation:

                                           3x² + 5x − 2 = 0

Multiply 3 x -2 = -6

Find two numbers that added = +5 and multiply -6

These numbers are +6  and -1

Then:

                                           3x² + 6x -1x − 2 = 0

Factorize                           3x (x + 2) - 1(x + 2) = 0

Factorize again                (x + 2)(3x - 1) = 0

Finally

                         x + 2 = 0               3x - 1 = 0

                         x = -2                     x = 1/3

                                                   

5 0
3 years ago
876.34 rounded to the nearest thousandth
kogti [31]

Answer:

There is no thousands place. It only goes up to a hundred

Step-by-step explanation:

You need another number after 4 to be able to round thousands

3 0
3 years ago
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Answer:

A postulate :)

Step-by-step explanation:

This is because a postulate is a statement that is assumed true without proof, while a theorem is a true statement that can be proven.

Hope this helps!

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Step-by-step explanation:

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Check the picture below.

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