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Drupady [299]
3 years ago
9

Which expressions are differences of squares? Select each correct answer.

Mathematics
1 answer:
Travka [436]3 years ago
4 0
First question: 1st and 3rd expression are the answer.
2nd question: I'm not sure
3rd question: (2p+9)^2
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② The complement of an<br> angle. is 10 more<br> than 3 times the<br> angle. Find both
Mrac [35]
Let x be the angle. The complement is 3x + 10. The sum of two complementary angles is 90. So,
x + 3x + 10 = 90
4x + 10 = 90
4x = 80
x = 20
Plug x into the complement
3(20) + 10 = 70

The angle is 20 degrees and the complement is 70 degrees

4 0
3 years ago
What must be a factor of the polynomial function f(x) graphed on the coordinate plane below?
Nady [450]
The correct answer is x because u have to look on the x axis
4 0
3 years ago
Express the following fractions as the sum or difference of two fractions (x^2+y^2)/x^4
zlopas [31]

Answer:

 \frac{1}{x^2} + \frac{y^2}{x^4}

Step-by-step explanation:

\frac{x^2 + y^2}{x^4} = \frac{x^2}{x^4} + \frac{y^2}{x^4} = \frac{1}{x^2} + \frac{y^2}{x^4}

4 0
2 years ago
Please help on question 12 or 13 as soon as possible
Anna007 [38]

Answer:

to know the summation of angles: (n-2)*180

here (n) represent numbers of sides

12)we have 5 sides (n=5)

(5-2)*180=540

x=540-(105+135+92+87)=121

13)we have 8 sides (n=8)

(8-2)*180=1080

x=1080-(116+158+141+124+136+132+129)=144

I hope it will help

3 0
2 years ago
You work 4 hours on Monday, 4.5 hours on Tuesday, 7.25 hours on Thursday, and 12 hours on Saturday. If you get paid $11.52 per h
ch4aika [34]

Answer:

$319.43

Step-by-step explanation:

Monday= 4 * $11.52=  $46.08

Tuesday= 4.5 * $11.52= $51.84

Thursday= 7.25 * $11.52= $83.27

Saturday= 12 * $11.52= $138.24

When you add all of those together you get $319.43

hope this helped (:

(this took so long so this better be right...<3)  

6 0
2 years ago
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