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2 years ago

What’s the volume of 8 1/2 long 2 1/2 width 3 tall rectangular prism

Mathematics

1 answer:

myrzilka [38]2 years ago

5 0

A is the answer to your question

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Let f(x) = 5x2 – 4x and g(x) = 5x + 1.

Nastasia [14]

f(x) = 5x^2 - 4x

g(x) = 5x + 1

Therefore f - g = 5x^2 - 4x - (5x + 1)

= 5x^2 - 4x - 5x -1

= 5x^2 -9x - 1

Hope it helps :)

8 0

2 years ago

Read 2 more answers

The grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete parts (a) through (c)

Ilya [14]

Answer:

$\bar X =\frac{2.3+3.1+2.8+1.7+0.9+4+2.1+1.2+3.6+0.2+2.4+3.2}{12}=2.29$

$s=1.09$

Step-by-step explanation:

For this case we have the following data given:

2.3 3.1 2.8

1.7 0.9 4.0

2.1 1.2 3.6

0.2 2.4 3.2

Since the data are assumedn normally distributed we can find the standard deviation with the following formula:

$\sigma =\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n}}$

And we need to find the mean first with the following formula:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X =\frac{2.3+3.1+2.8+1.7+0.9+4+2.1+1.2+3.6+0.2+2.4+3.2}{12}=2.29$

And then we can calculate the deviation and we got:

$s=1.09$

7 0

2 years ago

Read 2 more answers

2/3y = 4/5 solve the equation using inverse operations

Alisiya [41]

Answer:

y=6/5

Step-by-step explanation:

Hope this helps! Sorry if its wrong

6 0

2 years ago

I have no clue what i am doing -------- pls help lol 40 points

Katyanochek1 [597]

Step 1: Find X

3x + 7 + 9x + 17

Add the alike terms: 12x + 24

Linear is 180 degree, 12x + 24 = 180; now find x

X = 13

Now find the degree for both.

RST: 3 (13) + 7 = 46

VST: 9 (13) + 17 = 134

You're answer is A

4 0

2 years ago

Read 2 more answers

The soccer team at your school wants to spray paint a design on the middle of the

balandron [24]

Gdassduhhrjjdhdudjdhhdjdjdjsj I’m bout a dead man just got hit by the fire pit I’m bout a man I’m going to get

6 0

1 year ago