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Readme [11.4K]
3 years ago
12

Hello there

Mathematics
2 answers:
Dafna1 [17]3 years ago
6 0

Answer:

20

Step-by-step explanation:

2/3 want to go

If there are 30 people, we can find our answer pretty easily as 30 is 10 times more than 3.

2/3 = 20/30

So 20 people would like to go :O

Hope this helps, have a nice day :))

r-ruslan [8.4K]3 years ago
3 0

Answer:

20 people want to go trick or treating

Step-by-step explanation:

2/3 of 30 is

2/3 *30= 20

20 out of 30 people want to go trick or treating.

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Investment of $100 at 15% simple interest for 15 years
timofeeve [1]
The simple interest formula is A = P(1+rt) where P is your principal, or your initial amount, r is your rate and t is your time. Substitute the knowns into the equation.We get:

A = 100(1+0.15*15) = 325

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3 years ago
How many solutions does the equation have ?<br> |5x|=0
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3 years ago
Find the value of the following expression
Misha Larkins [42]

Looks like the expression is

(2⁸ • 5⁻⁵ • 19⁰) • (5⁻² / 2³)⁴ • 2²⁸

First, any positive number raised to 0 is 1:

(2⁸ • 5⁻⁵ • 1) • (5⁻² / 2³)⁴ • 2²⁸

(2⁸ • 5⁻⁵) • (5⁻² / 2³)⁴ • 2²⁸

Exponents in a denominator can be rewritten as negative exponents in the numerator:

(2⁸ • 5⁻⁵) • (5⁻² • 2⁻³)⁴ • 2²⁸

Distribute the 4th power across the product 5⁻² • 2⁻³ :

(5⁻² • 2⁻³)⁴ = 5⁻⁸ • 2⁻¹²

so we have

(2⁸ • 5⁻⁵) • (5⁻⁸ • 2⁻¹²) • 2²⁸

Multiplication is associative, so we can ignore the parentheses. Combine factors with equal bases and simplify the exponents:

2⁸ • 5⁻⁵ • 5⁻⁸ • 2⁻¹² • 2²⁸

2⁸⁻¹²⁺²⁸ • 5⁻⁵⁻⁸

2²⁴ • 5⁻¹³

Rewrite the negative exponent as a positive one:

2²⁴ / 5¹³

6 0
3 years ago
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