3 years ago

BRaInLiEsT tO fIrSt aNsWeR AND POINTS and my soul because math is more important....

Mathematics

1 answer:

Alex73 [517]3 years ago

6 0

D = 1/2 * (-16). That is your answer

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A line has a slope of 3/5. It passes through (3,5) and (x,9). What is the value of x?

blagie [28]

This is in 2 point form
(y2-y1)=m(x2-x1)
(9-5)=3/5(x-3)
x=29/3

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3 years ago

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DerKrebs [107]

Answer:

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Step-by-step explanation:

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Suppose the test scores of students in a class are normally distributed with a mean of 86 and a standard deviation of 4. What is

WARRIOR [948]

Answer:

-2.5

Step-by-step explanation:

Here in this question, we are interested in calculating the z-score for a student that had a particular mark at the test

To calculate the z-score, we need to use a mathematical formula

Mathematically;

z-score = (x - mean)/SD

From the question;

x = 76

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standard deviation SD = 4

Plugging these values in the equation, we have;

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3 years ago

3[(11-6) 2 squared divided by5]

Studentka2010 [4]

12 use a calculator i did it

8 0

3 years ago

X intercept f(x)=(x+4)^2

natali 33 [55]

Answer:

Step-by-step explanation:

Given the function f(x)=(x+4)², <u>the x intercept occurs at f(x) = 0,</u> substituting f(x) = 0 into the given equation to get the value of x we have;

$0 = (x+4)^{2} \\$

Taking the square root of both sides

$\sqrt{(x+4})^{2} = \sqrt{0}\\ x+4 = 0\\$

Subtracting 4 from both sides of the equation

$x+4-4 = 0-4\\x = -4$

Therefore the x intercept of the equation is -4

4 0

3 years ago