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Aleks [24]
2 years ago
14

Two boys earn money mowing lawns. Jacob mowed 12 lawns this week. He mowed

Mathematics
2 answers:
iris [78.8K]2 years ago
6 0
B is correct
12/3=4
-> 3 x 4 = 12
LenKa [72]2 years ago
5 0

Answer:

3 × □(4) = 12

Step-by-step explanation:

because Jacob mowed 12 lawns this week and He mowed

3 times as many lawns as Kevin mowed.

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Roy Gross is considering an investment that pays 7.6 percent, compounded annually. How much will he have to invest today so that
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Answer: he should invest $16129 today.

Step-by-step explanation:

Let $P represent the initial amount that should be invested today. It means that principal,

P = $P

It would be compounded annually. This means that it would be compounded once in a year. So

n = 1

The rate at which the principal would be compounded is 7.6%. So

r = 7.6/100 = 0.076

The duration of the investment would be 6 years. So

t = 6

The formula for compound interest is

A = P(1+r/n)^nt

A = total amount in the account at the end of t years.

A = 25000

Therefore

25000 = P(1+0.076/1)^1×6

25000 = P(1.076)^6

25000 = 1.55P

P = 25000/1.55

P = $16129

4 0
3 years ago
Please give Examples for real life examples for expressing very small number sin standard form.
Digiron [165]
Scientific notation is a system for expressing very large or very small numbers in a compact manner. It uses the idea that such numbers can be rewritten as a simple number multiplied by 10 raised to a certain exponent, or power.
3 0
3 years ago
HURRY ASAP NO JOKE 2 MINUTES PLZ HURRY ASAP PLZZZZZ HELP
loris [4]
2 \frac{3}{4} * \frac{4}{5} is the same as \frac{11}{4} * \frac{4}{5}. The 4s will cancel leaving you with \frac{11}{5} or 2 \frac{1}{5}, your 3rd option. 
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In a string of 100 christmas lights, there is
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We want to find \mathbb P(X\ge6), where X is a binomial distribution with n=100 and p=0.015. So

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An experiment has a high degree of ______________ when it shows convincingly that changes in behavior are a function of the inde
adelina 88 [10]

The answer is Internal Validity.

Internal Validity is high in an experiment. when it demonstrates persuasively that changes in behavior are caused by the independent variable and not by unknown factors.

What is Internal Validity?

  • Internal validity is defined as the degree to which the observed results represent the truth in the population under investigation and are not the consequence of methodological flaws.
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To learn more about Internal Validity visit:

brainly.com/question/9292757

#SPJ4

5 0
1 year ago
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