You are rolling two dice at the same time. what is the probability of a rolling a sum of 5 or 9?

Answers

Answer 1

Answer: 5 would equal about 11 percent.
9 would equal 1/9 or about 7 - 10 percent.

Answer 2

Answer: 2 out of 12 probabilitity

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Screen measures 30 cm wide n 22 cm high what is the diagonal measure of the screen

Answers

I think you'd use the pythagoran theorem for this (a squared + b squared = c squared). So 30 squared plus 22 squared equals the diagonal measure squared. This is 900 + 484 = c squared. That's 1384. The square root of that is 37.

The original value of a car is $18,000, and it depreciates (loses value) by 15% each year. what is the value of the car after three years?

Answers

If the original value of a car is $18,000, and it loses value by 15% each year, then you can calculate the new value of the car after n years using following formula:

$P=\$18,000\cdot (1-0.15)^n.$

When n=3, then

$P=\$18,000\cdot (1-0.15)^3=\$18,000\cdot 0.85^3=\$11,054.25.$

Answer: the value of the car after 3 years is $11,054.25.

I think the answer would be 11,054.25$

Simplify a - {5b - [a - (3b - 2c) + c - (a - 2b - c)]}.-a - 6b + 4c
a - 6b + 4c
a - 10b + 4c
-a + 10b + 4c

Answers

Asking the Math Gods...

= a-6b+4c

Answer:

a-6b+4c

Step-by-step explanation:

a-{5b-[a-(3b-2c)+c-(a-2b-c)]}

a-{5b-[a-1(3b-2c)+c-1(a-2b-c)]}

a-{5b-[a+(-3b+2c)+c+(-a+2b+c)]}

a-{5b-[a-3b+2c+c-a+2b+c]}

a-{5b-[-b+4c]}

a-{5b+[b-4c]}

a-{5b+b-4c}

a-{6b-4c}

a+{-6b+4c}

a-6b+4c

List all the subsets of each set:

{a,e,i, o}

Answers

$\{\}, \{a\}, \{e\}, \{i\}, \{o\}, \{a, e\}, \{a, i\}, \{a, o\}, \{e, i\}, \{e, o\}, \{i, o\}, \{a, e, i\},\n \{a, e, o\}, \{a, i, o\}, \{e, i, o\}, \{a, e, i, o\}$

Please, help me I’m so dumb

Answers

Answer:

Step-by-step explanation:

You know that 9 = 10 - 1.

Then 9 of something is equal to 10 of it less one of it. Here, that "something" is four.

$\begin{array}{cl}9*4&=10\text{ fours}-\boxed{1}\text{ four}\n&=\boxed{40}-4\n&=\boxed{36}\end{array}$

_____

Comment on this math

This illustrates a shortcut for multiplying by 9 that can be convenient for mental arithmetic. The idea is to multiply by 10, which just involves adding 0 (or moving the decimal point), then subtract the original number.

Which two numbers add up to 27 and multiply to -160?

Answers

+ 32
and
- 5

will do that job for you.

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