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erastova [34]
2 years ago
15

I need to know what “x” in the angle measures

Mathematics
1 answer:
arlik [135]2 years ago
5 0
X=[(x+60°)-20°]/2
x=(x+60°-20°)/2
x=(x+40°)/2
Solving for x: Multiplying both sides of the equation bu 2:
2x=2(x+40°)/2
2x=x+40°
Subtracting x both sides of the equation:
2x-x=x+40°-x
x=40°

Answer: x=40°
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Answer:

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Step-by-step explanation:

the number of hours Lillian worked are x (h)

the number of  hours Jacob worked are y (h)

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=> Lilian ironed: 25x (shirts)

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because Lillian and Jacob worked a combined 13 hours and ironed 295 shirts, we have:

\left \{ {{x+y=13} \atop {25x+20y=295}} \right. => \left \{ {{x=7} \atop {y=6}} \right.

so Lillian worked 7h and Jacob worked 6h

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2 years ago
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7 0
2 years ago
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Suppose that each semester at a particular community college Manuel has to pay $1478 in tuition and $121 in fees.
Kamila [148]

Answer:

Step-by-step explanation:

<em>Let x be time, in semesters, remaining before Manuel graduates</em>.  We find that Manuel's expenses are:

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2.  <u>x semesters remaining:  tuition</u>

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y = ($1599)*x

3.  <u>x semesters remaining:  tuition and fees</u>

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1 year ago
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3 years ago
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diamong [38]

Answer:

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