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morpeh [17]
4 years ago
15

MathArmy help

ormula">

Mathematics
2 answers:
pychu [463]4 years ago
5 0
Math..... sucks lol what’s the point of this anyway?
nadezda [96]4 years ago
4 0
What is this question about?

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HELP ITS ABOUT POINTS AND EQUATIONS AND WHAT THE PERSON FAILED IN DOING EXPLANATION NEEDED PLEASE
katen-ka-za [31]

Answer:

see below

Step-by-step explanation:

First find the slope

m= ( y2-y1)/(x2-x1)

  = (-5- -7.5)/ ( 2 - -3)

  = (-5+7.5) / ( 2+3)

  = 2.5 /5

   =1/2

Then using the slope intercept equation of a line

y = mx+b where m is the slope and b is the y intercept

y = 1/2x+b

Using a point from above

-5 = 1/2(2) +b

-5 =1+b

Subtract 1 from each side

-6 = b

We have the y intercept

y = 1/2x-6

Tahlia forget to find the y intercept for the equation

8 0
3 years ago
Read 2 more answers
Alyssa is a waitress at a restaurant. Each day she works, Alyssa will make a
taurus [48]

Answer:

$170

20+15t

Step-by-step explanation:

she already makes $20 in a day and then you add the 10 times $15 in tips which makes 170.

for the equation, she makes 20 so you add it to 15 times t which is the hypothetical number of tables

3 0
3 years ago
Có ai biết làm toán cao cấp 2 phần đại học ko , help me:((
Viefleur [7K]

Answer: Sorry i only speak english

Step-by-step explanation:

5 0
3 years ago
barney has 16 1/5 yards of fabric. to make an elf costume, he needs 5 2/5 yards of fabric. how many costumes can barney make?
mixas84 [53]
I think that you just divide 16 1/5 by 5 2/5
3 0
3 years ago
Read 2 more answers
In a survey, 15 high school students said they could drive and 15 said they could not. Out of 60 college students surveyed, 30 s
Citrus2011 [14]

Answer:

No.

Step-by-step explanation:

#1, the sample size is not indicative of a proper high school population, unless of all there is a small amount of students in the high school (or even only 30 students in it). On a individual basis, it can vary widely, and so data analysis such as this is not correct. The data size is skewed as well for the college, especially as college campuses typically house more students then usual. To only ask 60 college students also skew the data gotten. Another sample error may be locational error, in which the location of the schools may warrant the need for a driver license, or if it is not needed, as well as the distance of the student's house and/or where needed facilities are to accommodate a student's needs and desires.

If we were to set all these problems aside and focus more on the question, 15 high school students said they could drive, and 15 said they could not, which makes the sample size of 30 high school students in all. 15 say they can drive, therefore:

15/30 = 1/2, or there is a 50% chance of obtaining a student that can drive.

On the other hand, out of 60 college students surveyed, 30 said they can drive, therefore:

30/60 = 1/2, or there is a 50% chance of obtaining a student that can drive.

∴ Micah's prediction is incorrect in obtaining a college student that can drive more easily then obtaining one that can drive in a high school.

However, remember that too small of a data size can lead to a heavy skew, and it will not represent reality as well.

~

8 0
3 years ago
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