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3 years ago

6

How is selective boarding school will only admit students who plays at least 2 .5 standard deviation above the mean on a standar

dized test that has a mean of 100 and a standard deviation of 24. What is the minimum score that an applicant must make on the test to be accepted?

1 answer:

Maurinko [17]3 years ago

5 0

Answer:

I'd don't now

Step-by-step explanation:

ok am sorry

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Twice a number increased by 1 is -11. Find the number.

irina [24]

Answer:

-6

Step-by-step explanation:

I hope this helps you out!

3 0

3 years ago

Choose the equation where b=6 is a solution. 11- b = 6 b + 4 = 9 8b = 48 63 b = 9

Free_Kalibri [48]

Answer:

8b = 48

Step-by-step explanation:

this is because you would substitute the b for the 6 and then multiply straight across giving you a total of 48.

6 0

3 years ago

Read 2 more answers

Write the equation of the line that passes through the points (5,0) and (-6, -1).

jonny [76]

Answer:

The equation in point-slope form is: $\mathbf{y=\frac{1}{11}x-\frac{5}{11} }$

Step-by-step explanation:

We need to find equation of line in point slope form that passes through points (5,0) and (-6, -1).

The general equation of point slope form is: $\mathbf{y-y_1=m(x-x_1)}$

where m is the slope of line.

We need to know Slope m

Finding Slope m

Finding Slope m using formula: $Slope=\frac{y_2-y_1}{x_2-x_1}$

We have $x_1=5, y_1=0, x_2=-6 \ and \ y_2=-1$

Putting values and finding slope

$Slope=\frac{-1-0}{-6-(5)}\\Slope=\frac{-1}{-6-5}\\Slope=\frac{-1}{-11}\\Slope=\frac{1}{11}$

So , slope m is: $\mathbf{m=\frac{1}{11}}$

Using point (5,0) and slope m =1/22 the equation of point-slope form is:

$y-y_1=m(x-x_1)\\y-0=\frac{1}{11} (x-5)\\y=\frac{1}{11}x-\frac{5}{11}$

So, the equation in point-slope form is: $\mathbf{y=\frac{1}{11}x-\frac{5}{11} }$

3 0

3 years ago

Find the percent.<br> 2% of 2,100 tiles.

wel

Answer:

42

Step-by-step explanation:

Write 2% as

2

100

Since, finding the fraction of a number is same as multiplying the fraction with the number, we have

2

100

of 2100 =

2

100

× 2100

Therefore, the answer is 42

If you are using a calculator, simply enter 2÷100×2100 which will give you 42 as the answer.

7 0

3 years ago

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Determine which function is a solution to the differential equation xy ' + 2y = 0.

iragen [17]

Answer:

x⁻²

Step-by-step explanation:

If y = e²ˣ, y' = 2e²ˣ.

2xe²ˣ + 2e²ˣ ≠ 0

If y = x², y' = 2x.

2x² + 2x² ≠ 0

If y = x⁻², y' = -2x⁻³.

-2x⁻² + 2x⁻² = 0

8 0

3 years ago