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2 years ago

A highly selective university will only admit students who place at least 2-zcores above the mean on the ACT that

Mathematics

1 answer:

Harrizon [31]2 years ago

3 0

Answer:

Step-by-step explanation:

Each z-score = 1 standard deviation from the mean, so 18 + (6 x 2) = 30

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What is the length of the line segment shown on this coordinate grid?PLEASE HELP :-)

tigry1 [53]

The line is 4 units in length.

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3 years ago

What is the approximate perimeter?

vladimir1956 [14]

300^2 + 500^2 = c^2
9000 + 250000=c^2
340000=c^2
sqrt (340000) = c
c = 583
300 + 500 + 583 = 1383
1380 is the perimeter

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3 years ago

Solve this system of equations by converting the equations into slope-intercept form. How many solutions does this system have?

Alex777 [14]

<h3>Answer: -3x-3y=-30= x=−y+10 </h3><h3>x+y+10= x=−y+10</h3>

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3 years ago

5a+5b+5c=-20<br> 4a+3b+3c=-6<br> -4a+3b+3c=9

tekilochka [14]

For 5a+5b+5c=-20

A= -4 - b - c

B= -4 - a - c

C= -4 - a - b

———————————

4a+3b+3c=-6

A= -3/2 - 3b/4 - 3c/4

B= -2 - 4a/3 - c

C= -2 - 4a/3 - b

———————————

-4a+3b+3c=9

A= -9/4 + 3b/4 + 3c/4

B= 3 + 4a/3 - c

C= 3 + 4a/3 - b

4 0

3 years ago

What is the volume of the following triangular pyramid?

Readme [11.4K]

Answer:

The volume of the triangular pyramid

V = 566.66 in³

Step-by-step explanation:

The volume of the triangular pyramid

$= \frac{1}{3} X base area X height$

Base area = Area of the triangle

$A= \frac{1}{2} X base X height$

Given the base of the triangle (b) = 17in

Given Height of the triangle (h ) =10 in

$A= \frac{1}{2}( 17 ) (10) = 85$

The base area of the pyramid ( A) = 85 in²

<u><em>Given the height of the pyramid (h) = 20in</em></u>

The volume of the triangular pyramid

$= \frac{1}{3} X base area X height$

The volume of the triangular pyramid

= $= \frac{1}{3}( 85)(20) = 566.66$

<u><em>Final answer:-</em></u>

The volume of the triangular pyramid

V = 566.66 in³

3 0

2 years ago