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boyakko [2]
3 years ago
10

Factor completely -x^2+3x+28

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0
(7 - x)(x + 4) = -x² + 7x - 4x + 28
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Do you know the answer
Arte-miy333 [17]

Answer:

y=2x+2

Step-by-step explanation:

The * stands for multiplication.

0*2+2=2

3*2+2=8

6*2+2=14

All of these statements are true, so this should be the correct answer.

4 0
2 years ago
8(C - 9) = 6(20 - 12) - 40​
krek1111 [17]

Answer:

All Real Numbers

Step-by-step explanation:

Any value of <em>c</em> makes the equation true.

Interval Notation

5 0
2 years ago
Read 2 more answers
Answer and explanation please?
nignag [31]
The answer would be A. m= -3/5 and b=-4/5
"m= -5-1 divided by 7--3
or, -6/10
or, -3/5.

to find the (B)

<span><span>(-3,1). y=mx+b or 1=-3/5 × -3+b, or solving for b: b=1-(-3/5)(-3). b=-4/5.</span><span>(7,-5). y=mx+b or -5=-3/5 × 7+b, or solving for b: b=-5-(-3/5)(7). b=-4/5.</span></span>See! In both cases we got the same value for b. And this completes our problem.

<span><span>The equation of the line that passes through the points(-3,1) and (7,-5)is</span><span>y=-3/5x-4/5"</span>
Source: webmath</span>
5 0
3 years ago
What the answer now hurry up
maxonik [38]

Answer:

Below

Step-by-step explanation:

The equation of a circle is written as:

(x-a)^2 + (y-b)^2 = r^2

● ( a,b) are the coordinates of the center . Here (0,-2)

● r is the radius (here 12)

So the equation is:

x^2 + (y+2)^2 = 12^2

6 0
3 years ago
What 2 numbers multiply to 30 and add to -11
MissTica

Answer:

-5 and -6

Step-by-step explanation:

4 0
3 years ago
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