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Masja [62]
3 years ago
10

Marissa counted 29 coins in her change purse which contained d dimes and q quarters. The value of the coins is $5.00. How many d

imes and how many quarters are in her change purse?
Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
8 0
15 dimes 14 quarters

Tasya [4]3 years ago
3 0
15 dimes 14 quarters
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Idk Help meee please
nordsb [41]

Answer:

-9 =x

Step-by-step explanation:

We know these are similar triangles

We can use ratio's to solve

Let CS = y  and XR = y+y or 2y

y           x+19

------ = ------------

2y         x+29

We can simplify the ratio on the left by dividing by y

1           x+19

------ = ------------

2         x+29

Using cross products

1(x+29) = 2(x+19)

Distribute

x+29 = 2x+38

Subtract x from each side

x-x+29 = 2x-x+38

29 = x+38

Subtract 38 from each side

29-38= x+38-38

-9 =x

8 0
3 years ago
In the diagram below BD is parallel to XY what is the value of Y
LiRa [457]

Given:

BD is parallel to XY.

One of the angle is 85°

To find:

The value of y.

Solution:

Parallel lines BD and XY cut by a transversal line.

Angle y and 85° are alternate interior angles.

Alternate interior angle theorem:

If two parallel lines are cut by a transversal line, then the pairs of alternate interior angles are congruent.

⇒ y = 85°

The value of y is 85.

4 0
3 years ago
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Find missing angel<br> X=??
marissa [1.9K]

Answer:

X = 90 degrees

Step-by-step explanation:

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Finger [1]

Answer:

RQ

Step-by-step explanation:

ML:RQ = MN:RS = LN:QS (corr side, similar triangles)

8 0
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 here help u  3/5

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