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EleoNora [17]
3 years ago
8

Factor completely the following quadratic expression. 9x2 + 24xy + 16y2

Mathematics
1 answer:
Evgen [1.6K]3 years ago
7 0
9x^2 + 24xy + 16y^2 

(3x)^2+2(3x)(4y)+(4y)^2 

(3x+4y)^2

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The cost of 4 dance lessons is $49. The cost of 12 lessons is $117. Write a linear equation to find the total cost C for x lesso
lesantik [10]

Answer:

answer below, I think this is what you mean but idk

Step-by-step explanation:

Write out the 2 points.

(7,82)

(11,122)

2) Find the slope (change in y divided by change in x).

Slope = (122-82) / (11-7) = 40/4 = 10

3) Pick one of the points and insert it into point slope form.

y - 82 = 10(x-7)

y-82 = 10x-70

y = 10x + 12

4) Check your answer on the other point.

82 = 10(7) + 12

82=82

5 0
3 years ago
Read 2 more answers
8/17 = y/7
STALIN [3.7K]

\frac{8}{17} = \frac{y}{7}

17y=56

y=3.3

4 0
3 years ago
HELP RIGHT NOW AND ILL GIVE BRAINLY IF CORRECT
Stella [2.4K]

Answer:

-9

Step-by-step explanation:

3^{-36}= 27^{-12}

7 0
4 years ago
What is (2g + 9h - 5) - (6g - 4) <br> g = -2 <br> h = 5
Musya8 [376]

Answer:

the answer is 52.

Step-by-step explanation:

2g + 9h - 5 = 36

6g - 4 = -16

36 - (-16) = 52

good luck:)

3 0
3 years ago
40
prohojiy [21]
The area of the trapezoid is 30

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