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katovenus [111]

3 years ago

15

Is the relationship between the variables in this table a direct variation, an inverse variation, or neither. If it is a direct

or inverse variation write a function to model it test all the points to verify your k value x=2, 4, 6, 8
Y=1/3, 1/6, 1/9, 1/12

1 answer:

disa [49]3 years ago

5 0

Answer:

Inverse Variation

Step-by-step explanation:

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Tutor O-Rama claims that their services will raise student SAT math scores at least 50 points. The average score on the math por

Novosadov [1.4K]

Answer:

See below

Step-by-step explanation:

The score increase was 35 points. They claimed an increase of at least 50 points. For a significance level of 5%, the z-score for the situation needs to be at smaller than -1.645. For a significance level of 1%, the z-score needs to be smaller than -2.325

The z score for our situation: z = (385 - 350)/50 = 0.7

The average score of 385 of Tutor O-Rama scores is not significantly different from the average of the other students SAT scores. The evidence doesn't support their claim of being effective tutoring.

4 0

3 years ago

Find three rational numbers between<br> 1<br> 5<br> and 0.20.

Reptile [31]

<em><u>2</u></em><em><u>,</u></em><em><u> </u></em><em><u>3</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>4</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>three</u></em><em><u> </u></em><em><u>rational</u></em><em><u> </u></em><em><u>numbers</u></em><em><u> </u></em><em><u>between</u></em><em><u> </u></em>

Step-by-step explanation:

True po talaga enanswer ko❤️

4 0

3 years ago

Find sinθ if cosθ = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D" id="TexFormula1" title="\frac{2}{3}" alt="\frac{2}{

stepan [7]

Answer:

$sin = \frac{\sqrt{5} }{3}$

Step-by-step explanation:

<u>SOH CAH TOA</u>

Where:

s = sin

c = cos

t = tan

o = opposite

a = adjacent

h = hypotenuse

cos = 2/3 where 2 is adjacent side and 3 is hypotenuse, now find opposite side using a^2 + b^2 = c^2 //c is hypotenuse side

2^2 + b^2 = 3^2

4 + b^2 = 9

b^2 = 9 - 4

b^2 = 5

b = square root (5) = 5^(1/2) //opposite side

sin = O/H

$sin = \frac{\sqrt{5} }{3}$

//Hope it helps.

4 0

4 years ago

Help help help help help

alexdok [17]

Answer:

$\sf 5x+6y=12$

Step-by-step explanation:

$\sf y=-\dfrac{5x}{6}+2$

Multiply both sides by 6:

$\implies \sf 6 \cdot y=6(-\dfrac{5x}{6}+2)$

Expand:

$\implies \sf 6y=-5x+12$

Add 5x to both sides:

$\implies \sf 5x+6y=-5x+12+5x$

$\implies \sf 5x+6y=12$

6 0

2 years ago

Which rule describes a linear relation?

AleksandrR [38]

I believe it is A.

Option A is of two variables x & y and it is a straight line graph.

2x - 5 = y

3 0

3 years ago