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2 years ago

1 question :) thanks if you answer

Mathematics

1 answer:

pogonyaev2 years ago

8 0

Answer:

I think it would be y=4-3x

Step-by-step explanation:

If you're not sure then you always check Desmos it's a graphing calculator

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For a given population of high school seniors, the Scholastic Aptitude Test (SAT) in mathematics has a mean score of 500 with a

tresset_1 [31]

Answer:

The probability that a randomly selected high school senior's score on mathematics part of SAT will be

(a) more than 675 is 0.0401

(b)between 450 and 675 is 0.6514

Step-by-step explanation:

Mean of Sat = $\mu = 500$

Standard deviation = $\sigma = 100$

We will use z score over here

What is the probability that a randomly selected high school senior's score on mathe- matics part of SAT will be

(a) more than 675?

P(X>675)

$Z=\frac{x-\mu}{\sigma}\\Z=\frac{675-500}{100}$

Z=1.75

P(X>675)=1-P(X<675)=1-0.9599=0.0401

b)between 450 and 675?

P(450<X<675)

At x = 675

$Z=\frac{x-\mu}{\sigma}\\Z=\frac{675-500}{100}$

Z=1.75

At x = 450

$Z=\frac{x-\mu}{\sigma}\\Z=\frac{450-500}{100}$

Z=-0.5

P(450<X<675)=0.9599-0.3085=0.6514

Hence the probability that a randomly selected high school senior's score on mathematics part of SAT will be

(a) more than 675 is 0.0401

(b)between 450 and 675 is 0.6514

6 0

2 years ago

Which of the quadratics has a graph with only one x-intercept? A) y = 2x2 + 4 B) y = x2 - 8x + 16 C) y = 2x2 - 8x + 20 D) y = -2

xeze [42]

There is a math app called desmos past the graph equations and it will show you the answer. But i will comment below and tell you the answer if you don't want to

5 0

3 years ago

Read 2 more answers

What is 9 over 0 reduced to?

den301095 [7]

You mean what is 9/0 simplified to?

3 0

3 years ago

Read 2 more answers

Is 18 a polynomial? Explain your reasoning

Daniel [21]

Answer:

yes, 18 is a polynomial

Step-by-step explanation:

We have to show whether 18 is a polynomial or not

Polynomial is an expression involving variables and constants such that variables having non negative integer power.

Example $2x^4, 3y^3$ etc,

Thus, yes 18 is a polynomial

as 18 can be written as $18x^0$ where $x^0=1$ and 0 is non negative integer,

Thus, yes 18 is a polynomial as it can be written as $18x^0$ having non negative integer power 0.

8 0

2 years ago

Read 2 more answers

Alice and carl each have the same total number of marbles. alice put her marbles into groups of 4 with none left over.carl put h

11111nata11111 [884]

Into? Is hard to answer without the rest of the problem

6 0

2 years ago