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Anna007 [38]
3 years ago
6

(1,4) (2,7) (3,10) (4,13) find the equation in slope-intercept form.​

Mathematics
1 answer:
nordsb [41]3 years ago
8 0

Answer:

y = 3x + 1

Step-by-step explanation:

The way you find slope is change in y over change in x, (as a fraction).

So then your equation is y = 3x because the y value goes up 3 times and the x goes up once (3/1), and then you see what value y has when x = 0 to find the b value, which is one.

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For a standard normal distribution, which of the following expressions must always be equal to 1?
frosja888 [35]
For a standard normal distribution, the expression that is always equal to 1 is P(z≤-a)+P(-a≤z≤a)+P(Z≥a). This expression represents all of the possible values in a curve, or in other words, the total area of a curve. According to standard normal distribution, the total area of a curve is always equal to 1.


8 0
3 years ago
Read 2 more answers
3(2+2)-6(5+11) How long did Johnny ran
Svetlanka [38]

Answer:

-84

Step-by-step explanation:

4 0
3 years ago
in the figure below trianglePQM and triangleQRP are right triangles. the measure of lineQM is 6 and the measure of lineQP is 8.
Kipish [7]

Answer:

Option 4 is correct. The length of PR is 6.4 units.

Step-by-step explanation:

From the given figure it is noticed that the triangle PQR and triangle MQR.

Let the length of PR be x.

Pythagoras formula

hypotenuse^2=base^2+perpendicular^2

Use pythagoras formula for triangle PQM.

PM^2=QM^2+PQ^2

PM^2=(6)^2+(8)^2

PM^2=36+64

PM^2=100

PM=10

The value of PM is 10. The length of PR is x, so the length of MR is (10-x).

Use pythagoras formula for triangle PQR.

PQ^2=QR^2+PR^2

(8)^2=QR^2+x^2

64-x^2=QR^2                   .....(1)

Use pythagoras formula for triangle MQR.

MQ^2=QR^2+MR^2

(6)^2=QR^2+(10-x)^2

36=QR^2+x^2-20x+100

36-x^2+20x-100=QR^2        .... (2)

From equation (1) and (2) we get

36-x^2+20x-100=64-x^2

20x-64=64

20x=128

x=6.4

Therefore length of PR is 6.4 units and option 4 is correct.

3 0
3 years ago
Is the following relation a function?
Len [333]

Answer:

<h2>No</h2>

Step-by-step explanation:

A function is a relation between sets that associates to every element of a first set exactly one element of the second set.

Each element from the first set is assigned exactly one element from the second set.

It's not a function, because for 0 are assigned two elements 1 and 3.

4 0
3 years ago
What would the equation -x + 4y= -9 look like in slope intercept form
andrey2020 [161]

Answer:

y=1/4x-2.25

Step-by-step explanation:

Add x to both sides to get y alone.

Then divide both sides by 4, dividing both the variable and constant on the right side.

7 0
3 years ago
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