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stich3 [128]
2 years ago
12

In math i have to find the percent cost of 6 prices but i'm not sure how to.

Mathematics
1 answer:
tresset_1 [31]2 years ago
3 0
My answer got deleted for some reason, so here we go again. To convert a number to a percent, you multiply the number by 100. So if you had the number 2.4, you would multiply it by 100 to get 240%. After multiplying it by 100, simply add a percent sign, and you're done! 
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The amount of water in a barrel decreased is 9 5/8 pints in 7 weeks
gizmo_the_mogwai [7]

Answer:

1 3/8 in one week

Step-by-step explanation:

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3 years ago
Given points A (1, 2/3), B (x, -4/5), and C (-1/2, 4) determine the value of x such that all three points are collinear
AlladinOne [14]

Answer:

x=\frac{83}{50}

Step-by-step explanation:

we know that

If the three points are collinear

then

m_A_B=m_A_C

we have

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The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

step 1

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A(1,\frac{2}{3}),B(x,-\frac{4}{5})

substitute in the formula

m_A_B=\frac{-\frac{4}{5}-\frac{2}{3}}{x-1}

m_A_B=\frac{\frac{-12-10}{15}}{x-1}

m_A_B=-\frac{22}{15(x-1)}

step 2

Find the slope AC

we have

A(1,\frac{2}{3}),C(-\frac{1}{2},4)

substitute in the formula

m_A_C=\frac{4-\frac{2}{3}}{-\frac{1}{2}-1}

m_A_C=\frac{\frac{10}{3}}{-\frac{3}{2}}

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step 3

Equate the slopes

m_A_B=m_A_C

-\frac{22}{15(x-1)}=-\frac{20}{9}

solve for x

15(x-1)20=22(9)

300x-300=198

300x=198+300

300x=498

x=\frac{498}{300}

simplify

x=\frac{83}{50}

8 0
3 years ago
Can someone tell ne how to draw graph with equations​
miss Akunina [59]

Answer:

ya!

Step-by-step explanation:

Find in the attachment

5 0
2 years ago
Hey need help with some homework my teacher did not explain this very well so could you help me answer it and explain how iis do
Diano4ka-milaya [45]
<span>y in (-oo:+oo)

(3*y+6)/11 = -9 // + 9

(3*y+6)/11+9 = 0

(3*y+6)/11+(9*11)/11 = 0

3*y+9*11+6 = 0

3*y+105 = 0

(3*y+105)/11 = 0

(3*y+105)/11 = 0 // * 11

3*y+105 = 0

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3*y = -105 // : 3

y = -105/3

y = -35

y = -35</span>
7 0
3 years ago
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