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Mariana [72]
4 years ago
10

Can someone help me with this please

Mathematics
1 answer:
jenyasd209 [6]4 years ago
5 0

To solve the first question, the angles J and K are perpendicular to each other, that means also that the angles are 90 degrees.

Apart from each other.

This is the total angle measure, that means the sum of the smaller angles must equal 90 degrees.

So the expression would be

2x - 9 + 27 = 90

2x + 18 = 90

2x = 90 - 18

2x = 72

X = 72/2 = 36 degrees.

For the second question since w and v are parallel that means the angles are equal to each other


Thus make the expressions and value equal to each other and solve for x

3x + 60 = 120

3x = 60

X = 20 degrees.
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herlene has 5.05 in quarters and dimes. The number of quarters is one more than twice the number of dimes. Find the number she h
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Step-by-step explanation:

<u>System of Equations</u>

Let's call:

x = number of dimes Herlene has

y = number of quarters Herlene has

Since each dime has a value of $0.10 and each quarter has a value of $0.25, the total money Herlene has is 0.10x+0.25y.

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