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Vesna [10]
2 years ago
14

Can u please help me!

Mathematics
2 answers:
just olya [345]2 years ago
5 0

Answer:

1st one is 20  2nd one is 21

Step-by-step explanation:

likoan [24]2 years ago
5 0

Answer:

1: 20

2: 21

im not to sure tho

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Please factorise the equations in the doc bellow ASAP. please show full working
ad-work [718]

Answer:

b. x² + 8x + 12 =

1. use the factoring X (see attachment)

2. 6 x 2 = 12; 6 + 2 = 12

3. (x + 6)(x + 2) = 0

4. x = -6, -2

c. x² + 13x + 12 =

1. 12 x 1 = 12; 12 + 1 = 13

2. (x + 12)(x + 1) = 0

3. x = -12, -1

c. x² + x - 12 =

1. 4 · (-3) = -12; 4 - 3 = 1

2. (x +4)(x - 3) = 0

3. x = -4, 3

f. x² + 15x + 36 =

1. 12 x 3 = 36; 12 + 3 = 15

2. (x + 12)(x + 3) = 0

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hope this helps :)

8 0
2 years ago
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Multiply 5 4/7 x -2 2/5
Lunna [17]
Hey i hope my answer is helpful i did in my head so im sorry if its wrong−13 13/35
4 0
3 years ago
For the following exercises, evaluate the function f at the values f(−2), f(−1), f(0), f(1), and f(2)
MatroZZZ [7]

Answer:

See below.  <u><em>I assume that (x) = 8x2 - 7x + 3 is really (x) = 8x^2 - 7x + 3</em></u>

Step-by-step explanation:

Substitute the value of x given in f(x) into the equation f(x) = 8x^2 - 7x + 3

For example, f(0) would be f(0) = 8(0)^2 - 7(0) + 3.  f(0) = 3

f(-2) would be f(-2) = 8(-2)^2 - 7(-2) + 3.  

                                =   8*4  + 14 +3

                                = 32 + 17        therefore      f(-2) = 49

<u>x</u> <u>f(x)</u>

-2 49

-1 18

0 3

1 4

2 21

4 0
2 years ago
Graph the equation y = 3/4x+ 1/2}.
kari74 [83]

Answer:

i expert answer

Step-by-step explanation:its slope

3 0
2 years ago
Will give branlist please answer this quickly.
dmitriy555 [2]

Answer:

I cant see good

Step-by-step explanation:

3 0
2 years ago
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