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Fiesta28 [93]
3 years ago
8

Plz help, I will mark brainliest

Mathematics
1 answer:
ad-work [718]3 years ago
7 0
X > 10 Because if you remove the parenthesis and distribute 4 through the parentheses - 8x + 8 + 12. Then you add 8 and 12 which equals 20. Then you move the constant to the right-hand side and change its sign. You calculate 100 - 20 which give you 80 and divide then which gives you 10.

Hopefully this helps! <3
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Please help me with this quadratic equation question! I always give out 5 stars, thanks and brainliest to people that help me wi
ss7ja [257]

Answer:

p=25,\\q=12

Step-by-step explanation:

In (ax+b)(cx+d)=acx^2+bcx+dax+bd, notice the third term of the quadratic in standard form is formed entirely by b\cdot d.

Therefore, in 12x^2 - 13x - 7175 = (x-p) (qx + 287):

-p\cdot287=-7175,\\-p=\frac{-7175}{287},\\p=\fbox{$25$}.

Now that we found p, we must find q. The first term of the quadratic in standard form is formed entirely by ax\cdot cx. Therefore:

1\cdot q=12, \\q=\fbox{$12$}.

3 0
3 years ago
A strip of wood 78 inches long is to be cut into pieces 3 3/4 inches long. How many pieces can be cut?
Ray Of Light [21]
It is 20 because if u divide 78 by 3.75 ( 3 3/4 ) than equals 20.8
8 0
3 years ago
A line has a slope of 7 and passes through the point (-2,-1) What is its equation in point-slope form?
elena-s [515]

Answer:

y + 1 = 7(x + 2).

Step-by-step explanation:

Point slope form:

y - y1 =m(x - x1).

Here m = 7 and (x1,  y1) = (-2,  -1)

So the answer is;

y - (-1) = 7(x - (-2))

5 0
3 years ago
Solve this equation, thank you!
uysha [10]

Answer:

x = 9.99

Step-by-step explanation:

Using sine law , we have

Sine F/f = sine E/x

Sine 55deg/12 = Sine43deg/x

0.8192/12 = 0.6820/x

Cross multiply

0.8192 X x = 12 x 0.6820

0.8192x = 8.184

Divide both sides by 0.8192

0.8192x/0.8192=8.184/0.8192

x = 9.99

6 0
3 years ago
Read 2 more answers
Please help em with this one plz
abruzzese [7]
The correct answer is y=6x^(2)-1

Multiple 'm' in y=mx+b By 8
8(3/4)= 24/4= 6
4 0
3 years ago
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