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BaLLatris [955]
3 years ago
10

PLEASE HELP I NEED THE ANSWER QUICK :(

Mathematics
2 answers:
Rama09 [41]3 years ago
4 0
The answer is -8 i’m pretty sure
dem82 [27]3 years ago
3 0
K = -8 is the correct answer
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25 pounds would be a better deal
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The width of rectangle A is the sum of twice a number and 8. The length of the rectangle is 3 times as great as the width. If th
Galina-37 [17]
Formula for perimeter of a rectangle = 2(L + W)
let the number be x
width = 2x + 8
length = 3(2x + 8)
substitute respectively
96 = 2 (2x + 8 + 3(2x + 8)) open the bracket
96 = 2 ( 2x + 8 + 6x + 24) collect like terms
96 = 2 (8x + 32) open the bracket
96 = 16x + 64
collect like terms
96 - 64 = 16x
32 = 16x
divide both sides by 16
32/16 = 16x/16
2 = x
therefore, the width = 2x + 8 = 2(2) + 8 = 4 + 8 = 12.
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4 0
3 years ago
Please explain and help​
Lilit [14]

Answer:

im not really smart lol

Step-by-step explanation:

4 0
3 years ago
Mouthwash costs $5.00 before tax and $5.30 after tax. what is the percentage of the tax
irinina [24]
6%(5) = .30  6%

...........................................
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3 years ago
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Use the first and last data points to find the slope intercept equation of a trend line.
andriy [413]

Answer:

y = \frac{16}{3}x-79

Step-by-step explanation:

From the given table,

Two points are (1, 15) and (7, 47)

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m = \frac{y_2-y_1}{x_2-x_1}

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   = \frac{32}{6}

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Let the equation of a line passing through (h, k) is,

y - h = m(x - k)

If the line passes through (1, 15)

y - 1 = \frac{16}{3}(x-15)

y = \frac{16}{3}x-\frac{16}{3}(15)+1

y = \frac{16}{3}x-80+1

y = \frac{16}{3}x-79

4 0
3 years ago
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