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lorasvet [3.4K]
3 years ago
10

Someone help please and make sure the answer is right plz :)

Mathematics
2 answers:
IgorC [24]3 years ago
8 0
The angles are corresponding, and the lines are parallel. This means the angles are equal. What can you add to 53 to get 50°? -3.
solong [7]3 years ago
4 0
The answer is -3 bc -3 + 53 = 50
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A collection of dimes and quarters is worth $9.55. If the quarters were dimes and the dimes were quarters, the total value would
kvasek [131]

Number of dimes are 18 and number of quarters are 31

<em><u>Solution:</u></em>

Let "d" be the number of dimes

Let "q" be the number of quarters

value of 1 dime = $ 0.10

value of 1 quarter = $ 0.25

A collection of dimes and quarters is worth $9.55

value of 1 dime x number of dimes + value of 1 dime x number of quarters = 9.55

0.10d + 0.25q = 9.55 ---------- eqn 1

If the quarters were dimes and the dimes were quarters, the total value would be 7.60

quarters were dimes means , q = d

dimes were quarters means d = q

0.25d + 0.10q = 7.60 ----- eqn 2

Let us solve eqn 1 and eqn 2 to find "d" and "q"

Multiply eqn 1 by 2.5

0.25d + 0.625q = 23.875 ---- eqn 3

Subtract eqn 2 from eqn 3

0.25d + 0.625q = 23.875

0.25d + 0.10q = 7.60

( - ) ----------------------

0.525q = 16.275

q = 31

Substitute q = 31 in eqn 1

0.10d + 0.25q = 9.55

0.10d + 0.25(31) = 9.55

0.10d + 7.75 = 9.55

0.10d = 1.8

d = 18

Thus dimes are 18 and number of quarters are 31

5 0
3 years ago
Find the midpoint of A and B where A has coordinates (-7, 1)<br> and B has coordinates (3,-5).
zepelin [54]

Answer:

A (-7, 1) = (X1, Y1)

B (3, -5) = (X1, Y2)

Now,

Mid point = (X1 + X2÷2, Y1 + Y2 ÷ 2)

= {-7+3÷2, 1+(-5)÷2}

= (-4÷2, 1-5÷2)

= (-4÷2, -4÷2)

= (-2, -2)

Step-by-step explanation:

I hope it will help you to study.

3 0
3 years ago
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Lelechka [254]

Answer:

A. 1

B. -10

Step-by-step explanation:

3 0
3 years ago
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How is multiplication of two integers represented on a number line and a chip board?
labwork [276]
Can you give me an example? Thank you

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Thanks for the Brainliest!
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