3 years ago

Check my answers math questions and help me with one question please? the last question i am stuck on.

Mathematics

1 answer:

Ludmilka [50]3 years ago

5 0

Answer:

44, because its the only answer that is on the plot

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Question 10 of 21

PSYCHO15rus [73]

<u>ANSWER</u>

A. (4,12)

<u>EXPLANATION</u>

The equations are:

$10x +2y = 64...(1)$

and

$3x - 4y = -36...(2)$

To eliminate a variable we make the coefficients of that variable the same in both equations.

It is easier to eliminate x.

We multiply the first equation by 2 to get:

$20x + 4y = 128...(3)$

We add equations (2) and (3).

$3x + 20x + 4y - 4y = - 36 + 128$

$23x = 92$

Divide both sides by 23

$\frac{23x}{23} = \frac{92}{23}$

$x = 4$

Put x=4 into equation (1).

$10(4)+2y = 64$

$40+2y = 64$

$2y = 64 - 40$

$2y = 24$

$\frac{2y}{2} = \frac{24}{2}$

$y = 12$

The solution is (4,12)

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3 years ago

Ava bought 1/2 lb of candy. She is going to share the candy with 2 of her friends. If each of the 3 girls get the same amount, h

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The three girls will receive 1/6 pound of candy each.

Step-by-step explanation: 1/2 divided by 3 = 1/6

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2 years ago

Which value or values for the variable c from the set below will make 2 + 0.5c < 2c true

Tcecarenko [31]

B should be the answer but I’m not that sure

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2 years ago

for each of the following shapes, state whether or not it has reflection symmetry. if it does, draw the lines of symmetry it.

Genrish500 [490]

Answer:

Yes

Step-by-step explanation:

The lines of symmetry are the three altitudes.

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Check the picture below.

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