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Vika [28.1K]
3 years ago
13

URGANT!!! find the coordinates of where the line 2x+3y=12

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
6 0
2x+3y=12

3y=-2x+12

y=(-2x+12)/3 
bezimeni [28]3 years ago
4 0
This has infinitely many solutions if that is all that the question asked...

2x+3y=12

3y=-2x+12

y=(-2x+12)/3  

So for any value of x you choose it will give you the corresponding y value that makes your original equation true.
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The SAT scores have an average of 1200 with a standard deviation of 60. A sample of 36 scores is selected. a) What is the probab
erastova [34]

Answer:

the probability that the sample mean will be larger than 1224 is  0.0082

Step-by-step explanation:

Given that:

The SAT scores have an average of 1200

with a  standard deviation of 60

also; a sample of 36 scores is selected

The objective is to determine  the probability that the sample mean will be larger than 1224

Assuming X to be the random variable that represents the SAT score of each student.

This implies that  ;

S \sim N ( 1200,60)

the probability that the sample mean will be larger than 1224 will now be:

P(\overline X > 1224) = P(\dfrac{\overline X - \mu }{\dfrac{\sigma}{\sqrt{n}} }> \dfrac{}{}\dfrac{1224- \mu }{\dfrac{\sigma}{\sqrt{n}} })

P(\overline X > 1224) = P(Z > \dfrac{1224- 1200 }{\dfrac{60}{\sqrt{36}} })

P(\overline X > 1224) = P(Z > \dfrac{24 }{\dfrac{60}{6} })

P(\overline X > 1224) = P(Z > \dfrac{24 }{10} })

P(\overline X > 1224) = P(Z > 2.4 })

P(\overline X > 1224) =1 -  P(Z \leq 2.4 })

From Excel Table ; Using the formula (=NORMDIST(2.4))

P(\overline X > 1224) = 1 -  0.9918

P(\overline X > 1224) = 0.0082

Hence;  the probability that the sample mean will be larger than 1224 is  0.0082

4 0
3 years ago
If I have a 68.70 in the grade book and I get a 56/100 on a test that’s worth 20% of my grade what will my grade be now?
Marizza181 [45]
U got a 44 on your test so 20 percent of 68.70 plus the 44
5 0
3 years ago
Read 2 more answers
Solve this please!!!!!
AlladinOne [14]
20) Answer is: x=76
21) Answer is x=15
3 0
2 years ago
Read 2 more answers
What is the geometric mean between 9/16 and 25/36
sergiy2304 [10]

Answer:

5/8

Step-by-step explanation:

Geometric mean is found by multiplying the n number of values and then taking the n-root.

To do this with these numbers, sqrt((9/16)*(25/36)) = (3/4)(5/6) = (1/4)(5/2)= 5/8

I hope this helps! :)

6 0
2 years ago
What is the measure of MOP?
Archy [21]
Angle MON is a straight angle and OP -> bisects <MOQ
What is the measure of <MOP?
it would be 61 degrees
I hope this helps.

6 0
3 years ago
Read 2 more answers
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