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SashulF [63]
3 years ago
9

Answer 10,11 and 12 for 100 points

Mathematics
2 answers:
mr_godi [17]3 years ago
7 0

Answer:

10) 7(2m+3)  

11) 3(3r-1)  

12) 2p(5q+4

Step-by-step explanation:

BEcause this is the steps to solve it

geniusboy [140]3 years ago
3 0
10) 7(2m+3)
11) 3(3r-1)
12) 2p(5q+4)
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pentagon [3]

Answer:

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5 0
3 years ago
Find the area of the triangle base=8cm height= 5cm
mario62 [17]
Area= 1/2 base x height

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8 0
3 years ago
Express 2x^2+8x+3 in the form 2(x+p)^2+q
e-lub [12.9K]

Answer:

2(x + 2)² - 5

Step-by-step explanation:

Given

2x² + 8x + 3

To obtain the required form use the method of completing the square.

The coefficient of the x² term must be 1, thus factor 2 out of 2x² + 8x

= 2(x² + 4x) + 3

add/subtract ( half the coefficient of the x- term)² to x² + 4x

= 2(x² + 2(2)x + 4 - 4) + 3

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with p = 2 and q = - 5

4 0
3 years ago
Jorge has some dimes and quarters. He has 10 more dimes than quarters and the collection of coins is worth $2.40. How many dimes
PIT_PIT [208]

Answer:

14 dimes and 4 quarters

Step-by-step explanation:

x= number of dimes

y=number of quarters

x-10=y

0.10x+0.25y=2.40

substitute for y

0.10x+0.25(x-10)=2.40

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y=4

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3 years ago
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Step-by-step explanation:

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