MATHEMATICS COLLEGE

What is this equation????
m=y2-y1\y2-y1

Answers

Answer 1

Answer:

Answer:

Are you sure it ia not x2 - x1 in the denominator?

Answer 2

Answer:

Answer:

x=2-y

Step-by-step explanation:

Root (2,0)

Vertical intercept (0,2)

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The midpoint of AB is M=(3, 1). One endpoint is A=(-1, -1).Find the coordinates of the other endpoint, B.
A local charity sponsors a 5K race to raise money. It receives $55 per race entry and $10,000 in donations, but it must spend $15 per race entry to cover the cost of the race. Write and solve an inequality to determine the number of race entries the charity needs to raise at least $55,000.
Here are the results of a regression of Car Deaths in the UK by month from Jan 1969 to Dec 1984 on a dummy variable: 0 = no seatbelt law, and 1 = seat belt law (the law was instituted in February 1983)Coefficients:Estimate Std. Error t value Pr(> | t |) (Intercept) 125.870 1.849 68.082 < 2e-16 *Seatbelts -25.609 5.342 -4.794 3.29e-06 * R-squared = 0.11a. Did the seat belt law make a difference? b. Is there a need to add more variables to the model? c. How would you justify your answer with numbers? d. What possible independent / predictor variables could you add to this model?

In a video game, Clare scored 25% more points than Tyler. If c is the number of points that Clare scored and t is the number of points that Tyler scored, which equations are correct? Select all THREE that apply. A: C= t + 25
B: C= t + 0.25t
C: C= 1.25t
D: C= t + 0.25
E: C= t + 1/4t

Answers

Answer:

B, C, and E

Step-by-step explanation:

B; C = score + 25 percent of score

C; C = 125% of score (which equals 1 plus 25%)

E; t plus 25% of t score

Polygon ABCDEFGH will be dilated by a scale factor of 3.4 with the origin as the center of dilation to produce polygon A′B′C′D′E′F′G′H′. What will the length of `bar(A'H')` be? A. 1.7 units B. 2 units C. 3.4 units D.

Answers

Answer:

Given: Polygon AB C D E F G H

it is not given whether polygon is regular,So we will consider it as non regular convex polygon.

Polygon AB C D E F G H is dilated by a scale factor of 3.4 to get the polygon A′B′C′D′E′F′G′H.

As the length of each side will increase by a factor of 3.4 with origin as center of dilation.

So , A'H'= Length of side AH × Scale factor of dilation

A'H'=3.4 AH

Tell whether the following set is an empty set or not. A = {A quadrilateral having 3 obtuse angles}

Answers

Answer:

It is not an empty set

Step-by-step explanation:

Obtuse angles are angles greater than 90 and less than 180.

There are quadrilaterals having 3 obtuse angles and they are possible.

If we imagine 3 obtuse angles of 91 degrees (obtuse angle), the 4th angle will be

360-91-91-91

=> 87 degrees

So, This quadrilateral can be constructed!

And also with 92, 93, 94 and so on!

So, Set A is not an empty set!

Answer:

It is not an empty set

Step-by-step explanation:

A quadrilateral with 3 obtuse angles is possible.

A obtuse angle has a measure of more than 90 degrees and less than 180 degrees.

Let’s say three angles are measuring 91 degrees in a quadrilateral.

91 + 91 + 91 + x = 360

x = 87

The measure of the fourth angle is 87 degrees which is less than 360 degrees and is a positive integer, so it is possible.

You sell candy at a football game for $1.50 each. You paid $50 for 300 candy bars. what is the domain and range for your profit?

Answers

Answer:

Domain is number of candy or 300

Range is profit from selling candy or $50

Step-by-step explanation:

Domain is the numbers you are allowed to use in your function. In this case, it would be the amount of candy you sold.

The range is the output from inputting the number(s) in the domain. In this case, the range is the amount of money you profit.

Profit=(amount gained)-(amount lost)

amount gained is from selling candy

amount lost is what you invested to get the candy

amount gained=(cost per candy)X(number of candy)

amount gained=(1.50)(300)

amount gained=$450

amount lost=$50

therefore

Profit=450-40=$400

a function for profit can be as follows:

P(x)=1.5x-c

where amount you sold each candy for, c is cost for those x candies, and P(x) is the profit for x candies

The temperature of an enclosure for a pet snake should be about 80°F, give or take 5°F. What are the maximum and minimum temperatures of the enclosure?

Answers

Answer:

The max is 85F

The min is 75F

Step-by-step explanation:

For the max 80+5=85F

For the min 80-5=75F

Max =85

Minimal=75

Your subtracting 5 from 80 and 85

A local orchestra is holding a charity concert concert at the community center. Each adult ticket $12, and child ticket costs $8. The organizers of the event hope to raise no less than $2,500, and the community center can seat up to 280 people. This graph and system in inequalities represent this situation, where x represents the number of adult tickets and y represents the number of child tickets. 12x + 8y> 2,500. X + y < 280

Answers

To solve this problem, we have to plot the graph, using a tool. This question relates to an inequality and graphical method is a reliable approach to solve inequality problem.