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Amanda [17]
3 years ago
15

Find the slope of the line. please help will mark brainlyest

Mathematics
1 answer:
Mamont248 [21]3 years ago
5 0

Answer:

m = 1

Step-by-step explanation:

slope = (y₂-y₁)/(x₂-x₁)

m = (4 - -1) / 1 - -4) = 5/5 = 1

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6. A trader sold 100 boxes of fruit at
Maurinko [17]

Answer:

GH¢ 5.80 per box (average)

Step-by-step explanation:

In order to find the average selling price per box we first need to sum up all of the boxes to get the total number of boxes. Then we need to sum up the amount of money that he made by multiplying the cost per box by the amount sold at each price and adding those values together. Finally, we need to divide the total money made by the total number of boxes sold to get the average selling price per box.

100 boxes + 800 boxes + 600 boxes = 1,500 total boxes

(100 * 8) + (800 * 6) + (600 * 4) = total money made

800 + 4800 + 2400 = GH¢ 8,700 total money made

GH¢ 8,700 / 1,500 = GH¢ 5.80 per box (average)

7 0
3 years ago
How can i solve by completing the square 4r^2-28r=-49
Natalija [7]
To complete the square, the second degree term must have a coefficient of 1.
Since the second degree term here has a coefficient of 4, we start by dividing each term on both sides by 4.

4r^2 - 28r = -49

\dfrac{4r^2}{4} - \dfrac{28}{4}r = -\dfrac{49}{4}

r^2 - 7r = -\dfrac{49}{4}

Now we can complete the square.
First, we need to find what number completes the square.
We take the coefficient of the first degree term, -7 in this case.
Divide it by 2 and square it. -7 divided by 2 is the fraction -7/2.
Now we square -7/2 to get 49/4.
We add 49/4 to both sides.

r^2 - 7r + \dfrac{49}{4} = -\dfrac{49}{4} + \dfrac{49}{4}

(r - \dfrac{7}{2})^2 = 0

r - \dfrac{7}{2} = 0

r = \dfrac{7}{2}
3 0
3 years ago
I’m confused with this problem
Mamont248 [21]
(7)^2+(8)
(49)+(8)= 57
4 0
3 years ago
X + 6 = 14; x = 8<br> help pls
Vlada [557]

Answer:

This is correct.

x = 8 is the true/correct answer.

Step-by-step explanation:

You check this by replacing "x" with "8" since x = 8.

8 + 6 = 14.

This is a true statement, so x = 8 is correct.

5 0
3 years ago
Find the total cost of a $39 pizza order if you leave a 15% tip.
miskamm [114]
24 is the answer if you leave tip
8 0
3 years ago
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