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3 years ago

9

The graph shows equivalent ratios. Khalid plots a point to show a fourth equivalent ratio. If the x-value of Khalid’s point is 3

5, what is the y-value? 20 25 28 35

1 answer:

Dmitry_Shevchenko [17]3 years ago

4 0

Answer:

answer is 28 hope it helps

Step-by-step explanation:

got 100% on my quiz

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Answer:

1,440 degrees (10 interior angles of 144 degrees)

Step-by-step explanation:

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Six is less than or equal to the sum of a number n and 15

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Step-by-step explanation:

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3 years ago

The vertices of PQRS have coordinates P(–1,5) , Q(3,4) , R(2,−4) , and S(−3,−2) .

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Answer:

P(5,1), Q(4,-3), R(-4,-2), S(-2,3)

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3 years ago

X+3=2X+6(x+4)<br> Please Answer!

nataly862011 [7]

X=10
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2 years ago

Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangle such that each of the sq

TiliK225 [7]

Answer:

The perimeter of rectangle is $18\ cm$

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

$x=y+5$ ----> equation A

$120=xy+2x^{2}+2y^{2}$ ---> equation B (area of the constructed figure)

substitute the equation A in equation B

$120=(y+5)y+2(y+5)^{2}+2y^{2}$

$120=(y+5)y+2(y+5)^{2}+2y^{2}\\ 120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0$

using a graphing calculator -----> solve the quadratic equation

The solution is

$y=2\ cm$

Find the value of x

$x=y+5 ----> x=2+5=7\ cm$

Find the perimeter of rectangle

$P=2(x+y)=2(7+2)=18\ cm$

4 0

4 years ago

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