what is the relationship between the coordinates of a point and the coordinates of its reflection across each axis?

Answers

Answer 1

Answer: When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite. The reflection of the point (x, y) across the y-axis is the point (-x, y). When you reflect a point across the line y = x, the x-coordinate and the y-coordinate change places.

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After a gas-filled balloon is released, it rises 90 feet by the end of the first minute. By the end of the second minute, the balloon rises 120 feet, and by the end of the third minute, it rises 150 feet. How many feet would the balloon rise in 8 minutes?
Which of these numbers are exactly divisible by 9? 107,513,944,126,80
18. In their last basketball game, Holly scored25 points and Juanita scored 16 points. Themean number of points Holly scores is 20 witha standard deviation of 2. The mean numberof points Juanita scores is 12 with a standarddeviation of 1.25. Whose score is better relativeto her average number of points per game?
Find the 4 angles and the measure of are abd
What is 12/25 divided by 4

Find the mean 10,12,17,14,20,27,24,28,28

Answers

Hi Kimberlys969pdrfzz,

Question:

Find the mean

Mean - "The mean is the average of the numbers: a calculated "central" value of a set of numbers. To calculate it: add up all the numbers, then divide by how many numbers there are."

Solution:

$(10 + 12 + 17 + 14 + 20 + 27 + 24 + 28 + 28)/(9) = (180)/(9) = 20$

Answer:

Mean = 20

Hope This Helps!

10 + 12 + 17 + 14 + 20 + 27 + 24 + 28 + 28 = 180/9 = 20

mean: 20

Stuart is buying a pair of jeans that regularly cost $40. They are on sale for 20% off. If the tax rate is 8%, what is the sale price of the jeans including tax?a. $21.60
b. $34.56
c. $42.34
d. $44.16

Answers

well first you want to add the sales tax which would be 8% of 40 which is 3.2. So it costs $43.2 without the discount. so then you want to find 20% of 43.2 which is 8.64. So the last step is to subtract 8.64 from 43.2 which is

43.2 - 8.64 = $34.56 is your answer

please mark brainliest if this helped

40$ x .20 or 20% = 8
40$ + 8 = 32$
32$ x .08 or 8% = 2.56 the tax rate
32$ + 2.56 = 34.56$ Price of jeans including tax.
B, is the answer

How would you write 60,000 in exponential notation?

Answers

Okay the answer is 6.0×10^4, you move the decimal point behind the first number and count all the spaces you moved. You moved four spaces so it would be to the power of 4. So 6.0×10^4 is the answer.

Exponential notation is basically just getting rid of zeroes!

It's really simple, promise.

60,000 has four zeroes
(All you have to do is count them)

Then you just have to apply the 6... 6 times 10^4

Hope I helped!

Which is the equation of the line that passes through (6, 2) and is perpendicular to a line with slope -1/3?A. y-6=-1/3(x-2)
B. y-2=1/3(x-6)
C. y-2=3(x-6)
D. y-6=-3(x-2)
E. y-2=-3(x-6)

Answers

Answer:

$\boxed{\text{C. } y - 2 = 3(x - 6)}$

Step-by-step explanation:

The slope of the perpendicular line m₂ must be the negative reciprocal of the slope m₁ of the first line.

$m_(2) = -(1)/(m_(1)) = -(1)/(-(1)/(3)) = 3$

The only equation with m = 3 is

$\boxed{\textbf{C. } y - 2 = 3(x - 6)}$

This is the point slope form of the equation for a straight line through (6, 2) with slope = 3.

Answer:

Step-by-step explanation:

$( - 1)/(3) * a = -1$

then

$a = 3 \: where \: a \: is \: our \: line \: slope$

Taylor wants to make 2 1/2 times the quantity given in a recipe. The recipe calls for 1 3/4 cups of flour. How much flour will Taylor need?

Answers

$2(1)/(2)=2.5$

$1(3)/(4)=1.75$

Let's start...

a recipe say that we have to use 1.75 cups of flour, then 2.5 recipe we have to use $1.75*2.5$ cups of flour, it's iqual 4.375 cup of flour.

$1\frac34 \cdot 2\frac12=\frac74 \cdot \frac52=\frac{35}6=4\frac38\ cups\ of\ flour$

the kinetic energy of a moving object can be calculated from the expression 1/2mv[2], where m is the mass of the object in kilograms and v is its speed in meters per second. find the kinetic energy of a 145-kg baseball that is thrown at a speed of 40 meters per second

Answers

So, we plug the values back into the formula. 1/2(145)(40)^2

First we square velocity, so it will be: 1600.

Then 1600*145 = 232000

Divide this by 2, so: 116,00

So, the kinetic energy would be 116,000.

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