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2 years ago

I accidentally forgot how to calculate height pls help! im in 6th grade btw

Mathematics

1 answer:

lozanna [386]2 years ago

8 0

1: 9 1/3

2: 12 1/2

3: 14 3/4

Step-by-step explanation:

A=BH

H=A/B

B=A/H

B = Base

H = Height

A = Area

Hope this help!

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Help me on 4. It is confusing and I can never get these type of answers right :(

chubhunter [2.5K]

I believe it's 3/10 but I'm not confident about that.

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3 years ago

Suppose that Eitan rolls a fair six-sided die and a fair four-sided die simultaneously. Let A be the event that the sum of the d

murzikaleks [220]

Answer:

Step-by-step explanation:

Part A

Let's see what the total ways of eight might be.

Dice (6 sides) Dice (4 sided)

6 2 You can't reverse them

5 3 You can't reverse these either.

4 4 You can't have a meaningful reversal.

That looks like all there is. So what's the universe of this set?

6 * 4 is the total number of combinations.

You have 3 that work.

P(A) = 3/24 = 1/8 = 0.125

=====================

Part B

There are 4 sets of doubles. As you can see, there is not 2 creations, so the answer is

P(B) = 4/24 = 1/6 = 0.1667

=================

Part C

P(A + B) = only 1 instance (4,4)

1/24 = 0.04167

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No they are not independent. They can both happen.

4 0

3 years ago

Read 2 more answers

Subtract (5x^2+3)-(2x^2+4x-12)

Lapatulllka [165]

Answer:

Final answer is $3x^2-4x+15$

Step-by-step explanation:

Given expression is $(5x^2+3)-(2x^2+4x-12)$ .

Now we need to subtract them.

We are allowed to subtract like terms only that has same variable with same exponent.

$(5x^2+3)-(2x^2+4x-12)$

$=5x^2+3-2x^2-4x+12$

$=5x^2-2x^2-4x+3+12$

$=(5-2)x^2-4x+(3+12)$

$=(3)x^2-4x+(15)$

$=3x^2-4x+15$

Hence final answer is $3x^2-4x+15$

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3 years ago

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The chances of getting 6 on a six-sided die are 1/6, therefore the first one is correct.

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4 years ago

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14.) Although most of us buy milk by the quart or gallon, farmers measure daily production in pounds. Ayrshire cows average 47 p

MrMuchimi

Answer:

69.50%

Step-by-step explanation:

Given:

Ayrshire cows:

E(X) =μ = 47

SD(X) = σ = 6 Var (X) = 6^2 = 36

Jersey cows:

E(Y) = μ = 43

SD(Y) = σ = 5 Var(Y) = 52 = 25

Properties mean, variance and standard deviation:

E(X +Y) = E(X) E(Y)

V ar(X +Y) = Var(X) + Var(Y)

SD(X +Y) = √Var(X)+Var(Y)

X — Y represents the difference between Ayrshire and Jersey cows.

E(X — Y) = E(X) — E(Y). 47 — 43 = 4

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z = x-μ /σ = 0-4/ 7.8102 = -0.51

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3 years ago