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uysha [10]
3 years ago
7

Easy math problems!!!

Mathematics
2 answers:
neonofarm [45]3 years ago
7 0

Answer:

Rad 68

Step-by-step explanation:

84- 4^2=68

morpeh [17]3 years ago
5 0

Answer:

u call that easy that is hard

Step-by-step explanation:

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Lera25 [3.4K]

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O7v2 hope that helps ya! Mark as brainlest

6 0
3 years ago
The burning time of a very large candle is normally distributed with mean of 2500 hours and standard deviation of 20 hours. Find
dezoksy [38]

Answer: C.-1.5

Step-by-step explanation:

Given: The burning time of a very large candle is normally distributed with mean(\mu) of 2500 hours and standard deviation(\sigma) of 20 hours.

Let X be a random variable that represent the burning time of a very large candle.

Formula: Z=\dfrac{X-\mu}{\sigma}

For X = 2470

Z=\dfrac{2470-2500}{20}\\\\\Rightarrow\ Z=\dfrac{-30}{20}\\\\\Rightarrow\ Z=\dfrac{-3}{2}\\\\\Rightarrow\ Z=-1.5

So, the z-score they corresponds to a lifespan of 2470 hours. =-1.5

Hence, the correct option is C.-1.5.

7 0
2 years ago
Which number comes next in this series<br> A) 4<br> B) 21<br> C) 31<br> D) 34
Greeley [361]
What is the series you are referring too?
3 0
3 years ago
PLEASE ANSWER if u answer this without answering questions i am reporting you
Ray Of Light [21]

Answer:

Q1. m=8

Q2. Divide by -5

Q3. It's being divided by 5

Q4. It is being multiplied by -5

3 0
3 years ago
Read 2 more answers
A salesman sells a car for $37,000 and earns 8.5% commission. How much commission does he earn?
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Answer:

4,352 dollars

Step-by-step explanation:

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