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Mice21 [21]
3 years ago
12

Which equation represents the line that passes through the points (-4,3) and (2,12)

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
8 0

Answer:

y = 3/2 x + 9

Step-by-step explanation:

take the two points and find slope :

12 - 3 / 2 - (-4) = 3/2

then use the slope and one of the points to find the y-intercept :

y = 3/2 x + b

3 = 3/2 * (-4) + b   (Substitute)

3 = -6 + b             (Multiplication)

3 + 6 = -6 + b + 6 (Addition)

b = 9

so, your final slope-intercept equation is :

y = 3/2 x + 9

damaskus [11]3 years ago
5 0

Answer:

C. 5x+2y=-14

Step-by-step explanation:

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Zachary and his children went into a grocery store and will buy bananas and peaches.
stealth61 [152]

Answer:

0.5b + 1.5p ≤ 8

Step-by-step explanation:

The inequality function is as follows:

Let us assume the number of bananas acquired be b

And, the number of peaches acquired be p

Cost of each banana be $0.50

ANd, the cost of each peach be $1.50

Also the total would be $8

The possible values of banana is 0.5b

And, for peaches it would be 1.5p

So, the inequality function is

0.5b + 1.5p ≤ 8

7 0
3 years ago
A small accounting firm has 4 accountants who each earn a different salary between 50,000 and 60,000 and a 5th accountant who wo
Nimfa-mama [501]

Answer: B

Step-by-step explanation:

Both the mean and the median will decrease, but the mean will decrease by more than the median.

4 0
3 years ago
Write an
Delicious77 [7]

Answer:

Slope=2.

Step-by-step explanation:

Slope=y1-y2/x1-x2

Where

X1,y1,=(-5, -11) X2,y2=(6,11).

Slope=-11-11/-5-6

=-22/-11

=22/11

=2

Slope is 2

7 0
3 years ago
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vlada-n [284]
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2 years ago
F left parenthesis x right parenthesis equals 9 x cubed plus 2 x squared minus 5 x plus 4 and g left parenthesis x right parenth
Jet001 [13]
The answer is 2x(2x²+x+1).

When we subtract polynomials we combine like terms:
(9x³+2x²-5x+4)-(5x³-7x+4)

9x³-5x³=4x³
2x²- 0 = 2x²
-5x--7x=-5x+7x=2x
4-4=0

This gives us 
4x³+2x²+2x

Each of these is divisible by 2, and each has an x, so we factor those out:
2x(                        )

4x³/2x = 2x²:
2x(2x²                   )

2x²/2x=x:
2x(2x²+x               )

2x/2x = 1:
2x(2x²+x+1)
3 0
3 years ago
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