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3 years ago

11

What is the scale factor of the dilation? With steps!!

1 answer:

posledela3 years ago

4 0

The scale factor is 3. You're dividing each one by the factor of 3. causing it to shrink.

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Solve linear equation x+3+x-8+x=55

Andru [333]

First you add like terms which means you add all the x's together and all the constants.
3x -5 =55 (Remember that 8 has a negative sign in front which brings that sign with it when combinding like terms)
Then you isolate the variable by adding 5 on both sides.
3x = 60.
Finally you divide by 3 on both sides to get x=20

3 0

3 years ago

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How do u simplify 5( -4+h )

SpyIntel [72]

Use distributive property like -20+5h

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3 years ago

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What is the probability that you will get a 3-digit combination correct if no digits in the combination can be repeated?

elixir [45]

Answer:

i believe its 1/6

Step-by-step explanation:

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3 years ago

Find the center of a circle with the equation: x^2 + y^2 - 2y - 8x - 19 = 0

777dan777 [17]

Answer:

(4, 1)

Step-by-step explanation:

x^2 + y^2 - 2y - 8x - 19 = 0

We rearrange the terms and complete the square twice.

x^2 - 8x + y^2 - 2y = 19

x^2 - 8x + 16 + y^2 - 2y + 1 = 19 + 16 + 1

(x - 4)^2 + (y - 1)^2 = 6^2

The center is (4, 1)

3 0

3 years ago

Shanice invests $5,887 in a retirement account with a fixed annual interest rate of 4% compounded 12 times per year. How long wi

qwelly [4]

Answer:

It takes 14 years for the account balance to reach $10,296.62

Step-by-step explanation:

Given:

Principal amount = $5,887

Rate of interest = 4% and 12 times per year

Balance amount = $10296.62

To find:

The time to reach $10,296.62 = ?

Solution:

We know that

$N(t) = N_0e^{rt}$

Here,

N(t) = 10,296.62

$N_0$ = $5,887

r = 4 % = 0.04

we have to find the t value

On substituting the given values

$10,296.62 = 5,887e^{0.04t}$

Taking ln to remove e we get

ln $ln(10,296.62) = ln(5887)({0.04t)$

$ln(\frac{10296.62}{5887}) = 0.04t$

ln(1.749) = 0.04t

$t = \frac{ln(1.749)}{0.04}$

$t =\frac{ 0.5590}{0.04}$

t = 13.97

t = 14

4 0

4 years ago