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Dimas [21]
3 years ago
6

Write and solve a system of equations that represents each situation.

Mathematics
1 answer:
kotegsom [21]3 years ago
4 0
(7+x)+x=15
I did trial and error to get x=4.
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Find the area of the sector.
kicyunya [14]

Answer:

D. 158.4 km²

Step-by-step explanation:

Area of sector = θ/360 * πr²

Where,

θ = 150°

r = 11 km

Substitute

Area = 150/360 * π * 11²

Area = 158.38863 ≈ 158.4 km² (nearest tenth)

3 0
2 years ago
Two less than the product of 9 and a number is equal to 4.
Llana [10]

Answer:

See, that doesn't make sense.

First of all, 4 is the only number equal to 4. Sp, it'd be 9+4 = 13

Then I'm assuming you're also subtracting 4 from 13, so the answer would be 9.

Hope this helped, have a nice day.

7 0
2 years ago
Help I need the answer
timurjin [86]
A. -3+4i Square both numbers, add them, then find the square root. Essentially, use the Pythagorean theorem. -3^2 + 4^2 9 + 16=25 Square root of 25 is 5.
4 0
3 years ago
Need help in algebra fast
Gennadij [26K]

Answer:

A

Step-by-step explanation:

This is a strict inequality so the line must be dotted, meaning it can only be A or D.

The inequality says that y is less than -2x+4 so we want the region under the line, making A the correct answer.

5 0
3 years ago
5,021.367 what number is in the hundredths place
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I’m pretty sure it’s 6
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2 years ago
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