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Rom4ik [11]
3 years ago
10

Algebra 1 system of equations -10x − 7y = -12x = 4

Mathematics
2 answers:
leonid [27]3 years ago
7 0

=  >  \:  - 10x - 7y =  - 12 \\  =  >  \:  - 10(4) - 7y =  - 12 \\  =  >  \:  - 40 - 7y =  - 12 \\  =  >  \:  - 7y =  - 12 + 40 \\  =  >  \:  - 7y = 28 \\  =  > y =   -  \frac{28}{7}  \\  =  >  \: y =  - 4
Hope this helps!
ira [324]3 years ago
5 0

I'm not sure about this but this is what I got

X= -2/11, 7/22

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zaharov [31]
A=p(1+i/m)^mn
P=3168
i=0.1275
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7 0
3 years ago
Read 2 more answers
What does<br> -$20 -$15 +$30 $2<br> Equal
ad-work [718]

Answer:

-3

Step-by-step explanation:

-20-15+30+2

-35+32

-3

4 0
3 years ago
We want to find the zeros of this polynomial:
fredd [130]

Answer:

x = -3 and x = -3/2

Step-by-step explanation:

After writing down the polynomial, split it; put a line between 3x^2 and -18x. Look and 2x^3 + 3x^2 and -18x - 27 separately and factor them both:

p(x) = 2x^3 + 3x^2 <u>- 18x -27</u>

p(x) = x^2(2x+3) <u>-9(2x+3)</u>

Now notice how x^2 and -9 have the same factor (2x+3). That means x^2 and -9 can go together:

p(x) = (x^2 - 9)(2x+3)

Factor it once more because there's a difference of squares:

p(x) = (x+3)(x-3)(2x+3)

Now just plug in whatever makes the each bracket equal 0:

x = -3, x = 3, and x = -3/2

Those are your zeros.

8 0
3 years ago
Please look at picture for question
SCORPION-xisa [38]

Answer:

a=0.62

b=7/9

c=10/9

5 0
2 years ago
Please help me on my math and i will give you brainliest
dusya [7]

Answer:

A

Step-by-step explanation:

the maximum turning point is on the top and minimum on the bottom in this case maximum Is above the X-axis

5 0
3 years ago
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