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balu736 [363]
1 year ago
5

Y varies inversely with x, y = 4 and x = 3, what is y, when x = 2B) given: y = 2x - 1 (x-3)(x+1) what is the I. VAII. HA III. X-

INTERCEPT

Mathematics
1 answer:
Semmy [17]1 year ago
4 0

SOLUTION

(a)

\begin{gathered} y\alpha\frac{1}{x} \\  \\ y=\frac{k}{x} \\  \\ 4=\frac{k}{3} \\  \\ k=12 \end{gathered}\begin{gathered} y=\frac{12}{x} \\  \\ when\text{ x=2} \\  \\ y=\frac{12}{2} \\  \\ y=6 \end{gathered}

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Harry bought a sweater that only cost $5 when it normally costs $35. What percent was the discount? Provide an explanation. A. 1
erastova [34]

Answer:

D. 85.7%

Step-by-step explanation:

its figuring out the percentage decrease

so you would go

35-5= 30

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8 0
3 years ago
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How can you check to see if two fractions are equivalent please explain
Wewaii [24]

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cross multiply and they should equal the same

Step-by-step explanation:

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Dima020 [189]

Answer:

The answer for both apples and bananas is 21

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8 0
3 years ago
Help please need help with this stuff thank you again for helping
Alex777 [14]
Slope intercept form: y = mx + b

Where m = slope and b = y-intercept.

By looking at the graph, we can see that the line cuts at 1/2 on the y-axis, therefore eliminating option D.

So now we have: y = mx + 1/2

Next, we'll find the slope. \frac{y_2-y_1}{x_2-x_1}

Plug the coordinates into the formula.

\frac{3-(-2)}{4-(-4)}= \frac{5}{8}

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6 0
3 years ago
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Agata [3.3K]

Answer:

15.9 centimeters

Step-by-step explanation:

the information we have is:

Perimeter: P=95.4cm

Number of sides of the polygon: n=6

since each side has equal length, we can use the following equation to find the measure of one side of the polygon, the equation for perimeter:

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So we clear for l and we get:

l=\frac{P}{n}

and subtituting the known values:

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each side is 15.6 centimeters long

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3 years ago
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