2 years ago

What is the image of (-1,-5) after a dilation by a scale factor of 5 centered at the origin?

1 answer:

4 0

A dilation by a scale factor of 5 centered at the origin simply multplies by 5 the coordinates of every point. So, the new coordinates are (-5, -25)

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(5•-3) - (4•-3) + -3 - (3•-3)

Dmitry_Shevchenko [17]

Use PEMDAS.

Parenthesis first.

(-15)-(-12)+3-(-9)

Next multiply,

(-15)+12+3+9 (two negatives get you a positive)

Finally, add and subtract:
-15+24=9

You get 9 as your answer.

Hope this helps!

4 0

3 years ago

What does 5 + 3 1/8 =

mafiozo [28]

It equals 8 1/8 because 5 + 3 = 8 plus the 1/8

4 0

3 years ago

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Graph the function.<br> h(x) = -4(x– 3) (x - 1)

Stells [14]

Here is the graphed equation :)

8 0

3 years ago

Jan is 2/3 of Karyn's age. Jan's age 8 years ago is 2/5 of Katyn's age 4 yeats from now. Jan is how many younger than Karyn?

Elden [556K]

Answer:

12 years younger.

Step-by-step explanation:

Let Jan's age be J and Karyn's age be K.

$J= \frac{2}{3} K$

Jan's age 8 years ago is 2/5 of Karyn's age 4 yeaRs from now.

$J-8 = \frac{2}{5} (K+4)$

=> $(\frac{2}{3} - \frac{2}{5} ) K = \frac{8}{5} + 8$

=> 4K = 48 X 3

=> K= 36.

=> J= 24.

So Jan is 12 years younger.

8 0

2 years ago

Find the area of the blue sector of the circle. Round to the nearest hundredth.

Varvara68 [4.7K]

A diagram must be associated with the question above. Based on what I researched, this is what I got.

The blue sector of the circle is 120 degrees.

area of the blue sector = 1/3 of pi * 2^2
= 4.19cm2

I hope this answer helps.

8 0

3 years ago