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hodyreva [135]
3 years ago
8

Find an expression for c that will make 9x2 + 12xy +c aperfect square trinomial

Mathematics
1 answer:
dezoksy [38]3 years ago
4 0

Answer: To find the value , divide the coefficient of by and square the result.

Step-by-step explanation:Use the formula  ( b 2 ) 2        in order to create a new term in order to find the perfect square trinomial.

9 x 2 − 12 x + c + 4

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Solve for x.<br> -5/4x = -30<br> Simplify your answer as much as possible.
zlopas [31]

Answer:

The answer is x=24.

Step-by-step explanation:

This is a one step equation, so it is simple, as shown.

In order to isolate the variable, you need to multiply each side of the equation by the fraction's reciprocal. In this case, it is -4/5.

Thus, x= -30 x -4/5

All things said, the answer is x=24.

I hope this helped!!

~ Penny

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4 years ago
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valentina_108 [34]
-6y + 4 + 6y -4 + 2
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Verify the identity.<br> tan(θ) sin(θ) + cos(θ) = sec(θ)
MariettaO [177]

Step-by-step explanation:

first of all

tan =  \ \frac{ \sin}{ \cos }

put above of equation

(sin/cos)(sin)+cos =sec

sin²/cos +cos=sec

take l.c.m

sin²+cos²/cos=sec

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4 0
4 years ago
Ula<br> - 4 5/8 divided by 1 1/2
bogdanovich [222]

<em>Answer:</em>

The exact form is 5/44 and decimal form is .1136

<em>Step-by-step explanation:</em>

Divide by a fraction and multiply by its reciprocal

5/8  * 2/11

Cancel the common factor 2

5/4  * 1/11

Multiply 5/4 and 1/11

<em>5/4(11)</em>

The result is

<em>5/44 or .1136</em>

6 0
4 years ago
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