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Contact [7]
2 years ago
11

What’s the domain and range ?

Mathematics
1 answer:
sdas [7]2 years ago
5 0

Answer:

2,5 I'm guessing

Step-by-step explanation:

because two up and five to the right even though its kinda blurry

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What is the slope of the line?
tensa zangetsu [6.8K]

Answer:

positive 3

Step-by-step explanation:

it's going up by 1 and left by 3

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How do you graph y=2x+4 on a graph<br>​
NNADVOKAT [17]

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y =7 i think. idk im bad at math sorry. lol

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3 years ago
The area of a square is 321 square feet. Which best represents the length of a side?​
sdas [7]
The side length is about 17.916

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2 years ago
You purchased $132.49 worth of wheels and bearings for your skateboards. The shop charges $15 per board to install them. The tot
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4 skateborards will be repaired

4 0
3 years ago
Find the area of this regular polygon.<br> Round to the nearest tenth.<br> 8.65 mm<br> [? ]mm2
nadezda [96]

Answer:

Actually it's not polygon. it's a nonagon. With r=8.65mm″, the law of cosines gives us side a:

a=√{b²+c²−2bc×cos40°}

a=√{149.645−149.645cos40°}

Area Nonagon = (9/4)a²cos40°

=9/4[149.645−149.645cos40°]cot20°

=336.70125[1−cos(40°)]cot(20°)

Applying an identity for the cos(40°) does not get us very far…

= 336.70125[1−(cos2(20°)−1)]cot(20°)

= 336.70125[2−cos2(20°)]cot(20°)

= 336.70125[2−(1−sin2(20°))]cot(20°)

= 336.70125[1+sin2(20°)]cos(20°)sin(20°)

= 336.70125[cot(20°)+sin(20°)cos(20°)]mm²

3 0
3 years ago
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