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Wittaler [7]
3 years ago
7

The complement of (10 Points)

Mathematics
2 answers:
loris [4]3 years ago
6 0

Answer:

..?

Step-by-step explanation:

prohojiy [21]3 years ago
4 0

Step-by-step explanation:

the compliment of an angle + the angle = 90

so 90-the compliment = the angle

You might be interested in
All numbers bigger than five, or at most negative one
Kisachek [45]

Answer:

Hi there!

Your answer is:

-1 >=x>5

This can be broken down to:

x <= -1

x>5

Which fits your requirements!

6 0
3 years ago
Can someone please help
Masteriza [31]
19 hours is your answer
 
8 0
3 years ago
Read 2 more answers
What angle are these two is
Sveta_85 [38]

Answer:

They're both acute

Step-by-step explanation:

They both meausre less than 90°

A right angle would look like an L (it could be a flip L as well)

And an obtuse angle is anything bigger than a right angle

5 0
2 years ago
The cost of 3 notebooks and 4 pencils is $8.50. Determine the cost of one notebook and one pencil
Assoli18 [71]
Call the notebooks x, and the pencils y. 
<span>3x + 4y = $8.50 and 5x + 8y = $14.50 </span>
<span>Then just solve as simultaneous equations: </span>
<span>3x + 4y = $8.50 </span>
<span>5x + 8y = $14.50 </span>

<span>5(3x + 4y = 8.5) </span>
<span>3(5x + 8y = 14.5) </span>

<span>15x + 20y = 42.5 </span>
<span>15x + 24y = 43.5 </span>

<span>Think: DASS (Different Add, Similar Subtract). 15x appears in both equations so subtract one equation from the other. Eassier to subtract (15x + 20y = 42.5) from (15x + 24y = 43.5) </span>

<span>(15x + 24y = 43.5) - (15x + 20y = 42.5) = (4y = 1) which means y = 0.25. </span>

<span>Then substitue into equation : </span>
<span>15x + 20y = 42.5 </span>
<span>15x + 5 + 42.5 </span>
<span>15x = 42.5 - 5 = 37.5 </span>
<span>15x = 37.5 </span>
<span>x = 2.5 </span>

<span>15x + 24y = 43.5 </span>
<span>15(2.5) + 24(0.25) </span>
<span>37.5 + 6 = 43.5 </span>

<span>So x (notebooks) are 2.5 ($2.50) each and y (pencils) are 0.25 ($0.25) each.</span>
6 0
2 years ago
-2-5(4n-6)=-132 not really sure how to do this one ..
uranmaximum [27]

All you have to do is follow PEMDAS (if you don't know what that is, search it up).


-2-5(4n-6)=-132

Distribute the 5 to everything in the parentheses.

-2-20n+30= -132

Combine like terms.

-20n+28 = -132

Subtract 28 from both sides.

-20n = -160

Divide by -20 on both sides.

n = 8

8 0
2 years ago
Read 2 more answers
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