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notka56 [123]
3 years ago
13

The image of (-1, 2) reflected across the line y = -x is what?

Mathematics
1 answer:
Ann [662]3 years ago
8 0
( -2, 1 ) is the image of ( -1,2 ) reflected across the line y=-x.
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Bill bought a new cellular phone. His monthly bill will be $32.99 each month which includes 100 minutes of use. Additional minut
Sunny_sXe [5.5K]

Answer: option D is the correct answer.

Step-by-step explanation:

Let m represent the total number of minutes that the phone is used in a month.

Let C represent the amount of the bill for using m minutes.

His monthly bill will be $32.99 each month which includes 100 minutes of use. Additional minutes will cost $0.19 per minute. It means that the cost of additional minutes is

0.19(m - 100). Therefore, the linear model representing the amount of the bill would be

C = 0.19(m - 100) + 32.99

7 0
3 years ago
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Solve for X<br> 4x – 8 = 3x – 8<br> X =
snow_tiger [21]

Answer: x=0

Step-by-step explanation:

4x-3x = 0

3 0
3 years ago
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Which statement correctly describes the relationship between the lengths of the sides of the triangle shown below?
Vanyuwa [196]

Answer:

B

Step-by-step explanation:

Trust me I got it right and you should too

7 0
3 years ago
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Nikolai has a jar filled with 120 marbles. he has 72 red marbles, 17 blue marbles, 13 green marbles, and 18 purple marbles. what
asambeis [7]
To find the probability of both of these occurring, you will multiply the probability of choosing a blue marble by the probability of choosing a purple marble (with no replacement after the first one).

Probability of choosing a blue marble:  17/120
Probability of choosing a purple marble: 18/119

17/120 x 18/119 = 3/140

You will have a 3/140 chance of both of these occurring.
4 0
3 years ago
Experimental data are collected as:
aliina [53]

Answer:

y = 1.00114x + 1.75243

Step-by-step explanation:

Given

The x and y values

Required

The regression line equation

Because of the length of the given data, I will run the analysis using online tools, then analyze the result.

From the analysis, we have:

\sum x = 5050

\sum y = 5231.1011

\bar x = 50.5

\bar y = 52.311

SSX = 83325 --- Sum of squares

SP = 83419.7626 --- Sum of products

The regression equation is calculated as:

y = ax + b

Where:

a = \frac{SP}{SSX}

So, we have:

a = \frac{83419.76}{83325}

a = 1.00114

b = \bar y - a * \bar x

b = 52.31 - (1.00114*50.5)

b = 1.75243

So:

y = ax + b becomes

y = 1.00114x + 1.75243

6 0
3 years ago
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