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2 years ago

Where would i draw my reflection

Mathematics

1 answer:

Maurinko [17]2 years ago

3 0

Answer:

The coordinates for the reflection of quadrilateral ABCD is..

A'(-7,2) ----> A'(-7,-2)

B'(-7,4) ----> B'(-7,-4)

C'(-4,6) ----> C'(-4,-6)

D'(-1,6) ----> D'(-1,-6)

Step-by-step explanation:

Since it's being reflected over the x-axis, the x remains the same and the y becomes a negative.

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A line includes the points (-39,49) and (0,0). What is its equation in slope-intercept form?

malfutka [58]

Answer:

The equation in the slope-intercept form will be:

$y=-\frac{49}{39}x+0$

Step-by-step explanation:

Given the points

(-39,49)

(0,0)

Finding the slope between the points using the formula

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(-39,\:49\right),\:\left(x_2,\:y_2\right)=\left(0,\:0\right)$

$m=\frac{0-49}{0-\left(-39\right)}$

$m=-\frac{49}{39}$

We know that the point-slope of the line equation is

$y-y_1=m\left(x-x_1\right)$

substituting $m=-\frac{49}{39}$ and (-39,49) in the equation

$y-y_1=m\left(x-x_1\right)$

$y-49=\frac{-49}{39}\left(x-\left(-39\right)\right)$

Now writing the equation in slope-intercept form

$y=mx+b$

where m is the slope and b is the y-intercept

$y-49=\frac{-49}{39}\left(x-\left(-39\right)\right)$

$y-49=\frac{-49}{39}\left(x+39\right)$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{-a}{b}=-\frac{a}{b}$

$y-49=-\frac{49}{39}\left(x+39\right)$

$\mathrm{Add\:}49\mathrm{\:to\:both\:sides}$

$y-49+49=-\frac{49}{39}\left(x+39\right)+49$

$y=-\frac{49}{39}x+0$ ∵ $y=mx+b$

Where

$m=-\frac{49}{39}$ and the y-intercept i.e. $b=0$

Therefore, the equation in the slope-intercept form will be:

$y=-\frac{49}{39}x+0$

5 0

3 years ago

Jerome and eric start their hike at point a and follow the trail in the counterclockwise direction. they stop at point w to eat

Delicious77 [7]

Answer:

16 miles

Step-by-step explanation:

make mw as brainleist

4 0

3 years ago

Chau will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $50 and costs an addi

Svetach [21]

Answer:

175 Miles has to be driven to do the plans cost the same.

Step-by-step explanation:

Assume The Chau Drive Y miles .

We Have Given Two Plans ,

First Plan = 50$ + 0.19$ × Y

Second Plan = 57$ + 0.15$ × Y

Now,Put First Plan=Second Plan (When Both Plans Cost The Same)

50$ + 0.19$ × Y = 57$ + 0.15$ × Y

0.04$ × Y = 7 ⇔ Y = 175 Miles

6 0

2 years ago

If the purchase price for a house is $218,500, what is the monthly payment if you put 3.5% down for a 30 year loan with a

sashaice [31]

Answer:

218,500 - (3.5% down payment) =

210,852.50

30 years = 360 months

rate 6.5%

Use the loan payment formula (REALLY complex - see attached).

rate = 6.5/1,200 = 0.005416667

monthly payment = (rate + [rate / (((1 + rate)^months) -1)] * principal

monthly payment = (0.005416667 + [0.005416667 / (((1.005416667)^360)-1)] * principal

monthly payment = 0.005416667 + [(0.005416667 / 6.9917988084 -1)] * 210,852.50

monthly payment = 0.005416667 + [(0.005416667 / 5.9917988084)] * 210,852.50

monthly payment = (0.005416667 + 0.0009040135) * 210,852.50

monthly payment = 0.0063206805 * 210,852.50

monthly payment = 1,332.73

Answer is a.

3 0

2 years ago

Read 2 more answers

What is the value of y? 39 34 16 20 one of those number is the answer

melomori [17]

Answer:

Step-by-step explanation:

we see here that angle RPN is 180 degrees. SPM is 90 degrees so

angle RPS + angle SPM + angle MPN = 180 degrees

(4y - 10) + 90 + y = 180

(4y - 10) + y = 90

5y - 10 = 90

5y = 100

y = 20

5 0

2 years ago