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Gennadij [26K]
3 years ago
6

3/4 of a number is 27.Whats the number?

Mathematics
2 answers:
irakobra [83]3 years ago
8 0
36 is the number

27 divided by 3/4 is 36.
vazorg [7]3 years ago
7 0
27*3/4

20.25

+  27

47.25
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If f(x) = -3x - 5 and g(x) = 4x - 2, find (f+ g)(x)
Sergeeva-Olga [200]

Answer:

(f+g)(x)=f(x)+g(x)

=(-3x-5)+(4x-2)

= -3x-5+4x-2. collect like term

= -3x+4x-5-2

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8 0
2 years ago
Solve x^2=12x-15 by completing the square. which is the solution set of the equation?​
svlad2 [7]

Use the formula  (b/2)^2 in order to create a new term. Solve for  x  by using this term to complete the square.

Exact Form:

x  =  ±√21  +  6

Decimal Form:

x  =  10.58257569…, 1.41742430…

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6 0
3 years ago
Someone help.I'm new<br>i suck at math​.Pleaseweee 50 points?
MrMuchimi

Answer:

45°

Step-by-step explanation:

Let's understand "supplement" and "complement" -- basics of geometry of angles.

  • When we say two angles, a & b, are supplementary, we mean that both ADD up to 180.
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<em><u>If we have given an angle, such as "x", to find its supplement, we subtract the angle from 180. Similarly, we would need to subtract the angle x from 90 if we were to find the complement of the angle.</u></em>

<em><u /></em>

We want to find complement of 45, so we subtract 45 from 90 to get:

90 - 45 = 45°

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3 0
3 years ago
Perform the induced operation <br> (-7x+1)+(- 2x2 + 7x + 8) =
eimsori [14]

Answer:

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or

-2x^{2} + 9

 

8 0
3 years ago
Will someone please check my answer , im not quite sure about it ?
Oksi-84 [34.3K]
Yes you are right.

Keep up the good work:)
6 0
3 years ago
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