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sweet [91]
2 years ago
11

Help pls!Pls and ty!

Mathematics
1 answer:
faltersainse [42]2 years ago
4 0

Answer:

a

Step-by-step explanation:

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What are 2 ways to convert a mixed number to a decimal?
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Answer:


Step-by-step explanation:

1. Convert mixed number to improper fraction and divide.

2. Use a calculator.

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I WILL GIVE BRAINLIEST TO THE FIRST PERSON!A spinner has 8 equal-sized sections. The probability that the spinner will stop abov
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2 years ago
Read 2 more answers
A polling organization asked a nation-wide random sample of 1600 new brides (those who got married in the past 2 years) the foll
iren [92.7K]

Answer:

It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively.

Step-by-step explanation:

Given that:

sample size n = 1600

sample mean \overline x = 20000

standard deviation = 5000

The objective is to choose from the given option about what most closely resembles the relevant box model.

The correct answer is:

It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively.

However, if draws are made without replacement, the best estimate of the average amount for the bride will be $20,000

Similarly, the standard error for the sample mean = \dfrac{s}{\sqrt{n}}

= \dfrac{5000}{\sqrt{1600}}

= \dfrac{5000}{40}}

the standard error for the sample mean = 125

4 0
3 years ago
Solve the system by substitution.<br> -2x-10y=-2<br> -4y=x
Julli [10]

maybe xd ad something else please

8 0
3 years ago
What is 50,000 times 10 to the 15th
Misha Larkins [42]
Remember property of exponents
(x^m)(x^n)=x^{m+n}
add exponents of same base

ok so

50,000 is 5 times 10^4

so

50000 times 10^15=
5 times 10^4 times 10^15=
5 times 10^{4+15}=
5 times 10^19
8 0
3 years ago
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