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Vera_Pavlovna [14]
2 years ago
14

1. A store priced a textbook at $126.75 using a markup of 34% of cost.

Mathematics
1 answer:
Alchen [17]2 years ago
6 0
$43.09 of book
Shhebeenebbemansjdx
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PLS DO THIS 20 PTS AND BRAINLY
deff fn [24]

The table would be y = 6x

Divide the Y values by the X values and they all equal 6, so you multiply the X value by 6 to get y.

Look at the dots on the graph ( 1,5) (2,10) (3,15) (4,20)

Divide the Y value by the X and they all equal 5, soy = 5x

3 0
3 years ago
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(1)/(4)(x+y)-(3)/(6)y+(2)/(9)x-8x+4y
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Do it so eazyyyyy bro
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HELP ME OUT PLEASE<br><br>Do they have the same slope? Why or why not?​
mamaluj [8]
Yes, they are the same slope because the line is straight so it has no edges.

I think

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3 0
2 years ago
Write the equation of the line that passes through the given points (-6, 0) and (0, 3)
Tomtit [17]

Answer:

Step-by-step explanation:

Put (-6,0) and (0,3) into a table of values

form of the equation: mx+b

x -6 0

y 0 3

3/-6=-0.5 (m)

3=b (the value of y when x=0)

equation: y=0.5x+3

3 0
3 years ago
PLS HELP ASAP Given the following probabilities, for what P(B) are events A and B independent? P(A)=23 P(A and B)=13
Paul [167]

I'm assuming you meant to say

P(A) = 2/3

P(A and B) = 1/3

If that is the case, then A and B are independent if and only if the following equation is true

P(A and B) = P(A)*P(B)

So we multiply P(A) and P(B) to get the value of P(A and B). We don't know what P(B) is, but we can use algebra to find it

-------------------------

P(A and B) = P(A)*P(B)

P(A)*P(B) = P(A and B)

(2/3)*P(B) = 1/3

P(B) = (1/3)*(3/2) .... multiply both sides by the reciprocal of 2/3

P(B) = (1*3)/(3*2)

<h3>P(B) = 1/2  is the answer</h3>

------------------------

If P(B) = 1/2, then

P(A and B) = P(A)*P(B)

P(A and B) = (2/3)*(1/2)

P(A and B) = (2*1)/(3*2)

P(A and B) = 1/3

Which is the given probability for both events happening. This confirms we have the correct P(B) value.

8 0
3 years ago
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