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oksian1 [2.3K]
2 years ago
13

21) Jaquan earns $5 per hour raking leaves. He needs at least $170 to buy a new deo game system. Write an inequality that descri

bes how many hours he must work to reach his goal.​
Mathematics
1 answer:
Anna007 [38]2 years ago
5 0
5x>/170
(WORK SHOWN BELOW)

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Initially a pool contains 250 gallons of water. A hose is placed in the pool, and the water is turned on. The hose adds 5.4 gall
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5.4 T=46.9
It would take 46.9 minutes to fill up the pool

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3 years ago
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A forest covers 71,000 acres. A survey finds that ​0.3% of the forest is​ old-growth trees. How many acres of​ old-growth trees
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Step-by-step explanation:

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2 years ago
Combine like terms 4a2-3b2+ 4b + 10a2
jolli1 [7]

Answer:

14a² - 3b² + 4b

Step-by-step explanation:

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4 0
2 years ago
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bonufazy [111]
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3 0
3 years ago
Help me plss need help with theses three
fiasKO [112]
interior angle of a regular 18-gon.
It is easier to calculate the exterior angle of a regular polygon of n-sides (n-gon) by the relation
exterior angle = 360/n
For a 18-gon, n=18, so exterior angle = 360/18=20 °
The value of each interior angle is therefore the supplement, or
Interior angle = 180-20=160 degrees.

Naming of a 9-gon
A polygon with 9 vertices is called a nonagon (in English) or enneagon (French ennéagone, but the English version is sometimes used)
You had a good start with the correct answer.

Exterior angle of a 15-gon
The exterior angle of a 15-gon can be calculated using the relation given in the first paragraph, namely
Exterior angle = 360/15=24 degrees
4 0
2 years ago
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