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Ne4ueva [31]
3 years ago
10

If f(x) = 2x2 5x, find f(3b).

Mathematics
1 answer:
frez [133]3 years ago
7 0
F(x) = 2x^2 + 5x
f(3b) = 2(3b)^2 + 5(3b) = 2(9b^2) + 15b = 18b^2 + 15b
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iogann1982 [59]
The answer is A LOL good luck;)
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Emily's account balance this Monday is -$8.35 . Her account balance last Monday was $15.75. Which statement explains how to find
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8 0
4 years ago
angle M and angle N are complementary. The measure of angle M is 38 degrees less than the measure of angle N Find the measure of
WARRIOR [948]

Answer:

26, 64

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
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sveticcg [70]
<span>We want to check how many intersections line A and B have, that is, we want to check how many common solutions do these equations have:
</span>
i) 2x + 2y = 8

ii) x + y = 4
<span>
use equation ii) to write y in terms of x as : y=4-x, 

substitute y =4-x in equation i):

</span>2x + 2y = 8
2x + 2(4-x) = 8
<span>2x+8-2x=8
8=8

this is always true, which means the equations have infinitely many common solutions.


Answer: </span><span>There are infinitely many solutions.</span><span>

</span>
4 0
3 years ago
Help me with my math H.W
Thepotemich [5.8K]

Answer:


Step-by-step explanation:

1)

a) slope: 4/3

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equation: 4/3(x)- 5

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y-intercept: (0, 1)

equation: -1/2(x)+ 1

2)

a) slope: 4/3

y-intercept: (0,2)

equation: 4/3(x)+ 2

b) slope: -3/2

y-intercept: (0,-3)

equation: -3/2(x)- 3

4 0
4 years ago
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