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2 years ago

13

The cost of a shirt decreases by 18%. After the discount, the shirt costs $61.91. How much did the shirt cost before the discoun

t?

1 answer:

Alex2 years ago

4 0

Answer:

6rf 6 4 and 3mn

Step-by-step explanatio mjnn: scammed lol

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How do you know if a equation is a proportion

erastovalidia [21]

You can set up a proportion to determine the length of the enlarged photo

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3 years ago

Ram is 3 times old as his son and the sum of their age is 48.how old is each?

stich3 [128]

Answer:

12 and 36

Step-by-step explanation:

x+3x=48

4x=48

divide by 4

x=12

48-12=36

6 0

3 years ago

Read 2 more answers

Given: JK tangent, KH=16, HE=12 Find: JK.

Y_Kistochka [10]

Answer: $JK=8$

Step-by-step explanation:

You can observe in the figure that JK is a tangent and KH is a secant and both intersect at the point K. Then, according to the Intersecting secant-tangent Theorem:

$JK^2=KE*KH$

You know that:

$KH=KE+HE$

Then KE is:

$KE=KH-HE$

$KE=16-12$

$KE=4$

Now you can substitute the value of KE and the value of KH into $JK^2=KE*KH$ and solve for JK. Then the result is:

$JK^2=4*16\\JK^2=64\\JK=\sqrt{64}\\JK=8$

7 0

3 years ago

Solve for x. 3x ^2 -4 = 8

LenKa [72]

Answer:

x = ±2

Step-by-step explanation:

3x ^2 -4 = 8

Add 4 to each side

3x ^2 -4+4 = 8+4

3x^2 =12

Divide each side by 3

3x^2 =12

3x^2/3 = 12/3

x^2 = 4

Take the square root of each side

sqrt(x^2) = ±sqrt(4)

x = ±2

5 0

3 years ago

Read 2 more answers

How do you do this? What’s the answer?

xxTIMURxx [149]

315 is the answer but i don't know what they mean by simplify <span />

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3 years ago