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2 years ago

Help ASAP please ‼️

Mathematics

2 answers:

Readme [11.4K]2 years ago

7 0

Answer:

Step-by-step explanation:

The internal angle sum of a 4 sided polygon is 360 so set it equal to 360. 5x+110+110+70=360

5x+290=360

5x=70

x= 14

Gnesinka [82]2 years ago

5 0

Answer:

Step-by-step explanation:

<h2><em><u>Plz thank me and mark me as a brainlists</u></em></h2>

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2 years ago

Solve and check:8a-4=25+6(a-8)

OlgaM077 [116]

8a - 4 = 25 + 6 (a - 8)

(distribute the 6)

8a - 4 = 25 + 6a - 48

(combine like terms 25 - 48)

8a - 4 = 6a - 23

( subtract 6a from both sides)

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(divide both sides by 2)

a = - 9.5

////CHECK/////

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(plug each side into a calculator)

-80 = -80

FINAL ANSWER:

a = -9.5

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3 years ago

I need in depth help answering

Volgvan

What is the question

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2 years ago

4. Liam can work at most 20 hours a week but he needs to earn at least $125. His dog-walking job pays

Oxana [17]

Two possible solutions are: (4.5, 8.5) and (8, 6.3)

<h3>How to graph the inequality?</h3>

Let x represents hours dog walking and y represents hours washing cars.

So, we have:

Earnings = Rate of dog walk * x + Rate of car wash * y

This gives

Earnings = 7x + 11y

He wants to earn at least $125.

This means that:

7x + 11y ≥ 125

See attachment for the graph of the inequality

From the attached graph, two possible solutions are: (4.5, 8.5) and (8, 6.3)