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3 years ago

Help me I don’t remember how to find volume

Mathematics

1 answer:

Vika [28.1K]3 years ago

5 0

Answer:

base times height divided by 2 i think i remember

Step-by-step explanation:

Because it's a triangular prism and the base times height makes a rectangular prism, a triangle is half of a rectangle

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Rick and lulu each went on a family vacation. Rick drove 375 miles in 5 hours; Lulu drove for 6 hours and 30 minutes.If they tra

grandymaker [24]

Answer:

112.5 miles

Step-by-step explanation:

375/5=75

75*6.5=487.5

487.5-375=112.5

5 0

3 years ago

A regular octagon has a perimeter of 48 cm. What is the length of each side?

Anarel [89]

Answer:

Each side of the octagon a length of 6 cm

Step-by-step explanation:

Divide the perimeter by the amount of sides the shape has.

48 ÷ 8 = 6

4 0

3 years ago

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Help plssssss!!!!!!!

In-s [12.5K]

For the first question asking about the slope 3/4 and y intercept -2 would be (y=0.75x-2) because 3/4=0.75 and the y intercept -2 is b and you’re just placing it into the formula y=Mx+b m=slope b=y intercept.

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3 years ago

In a lottery game, a player picks six numbers from 1 to 21. If the player matches all six numbers, they win 40,000 dollars. Othe

Darina [25.2K]

Answer:

The expected value of this game is -$0.26.

Step-by-step explanation:

Expected value:

Each possible earning/loss multiplied by it's probability.

Probability:

Number of desired outcomes divided by the number of total outcomes.

In this question, the order in which the numbers are chosen is not important. So we use the combinations formula to solve.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Probability of winning:

Desired outcomes:

The 6 correct numbers, so $D = 6$

Total outcomes:

6 numbers from a set of 21. So

$T = C_{21,6} = \frac{21!}{6!15!} = 54264$

Probability:

$p = \frac{1}{54265}$

Expected value

$\frac{1}{54265}$ probability of earning 40,000.

$\frac{54264}{54265}$ probability of losing 1. So

$E = \frac{40,000}{54265} - \frac{54264}{54265} = -0.26$

The expected value of this game is -$0.26.

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3 years ago

john spent $201 for shirts and pants for work. shirt cost $27 dollars and pants cost $22. if he bought a total of 8 articles of

skelet666 [1.2K]

So you subtract, 27-22. 27-22 is equal to 5. So, John will buy 5 kinds of T- Shirts.

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3 years ago

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