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2 years ago

Help asap please ill give brainliest

Mathematics

2 answers:

Studentka2010 [4]2 years ago

8 0

It’s b because it has more marbles

PtichkaEL [24]2 years ago

3 0

Answer:

C should give you the right answer

Step-by-step explanation:

C is correct because the most common amount of blue marbles out of 10 was 3. So 35% is the best answer

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In the algebraic expression 7/y, what is the coefficient of y? Explain

Alex777 [14]

7/y....the coefficient of y is 1

any time u have a variable by itself, whether it is x or y or any letter, the coefficient is gonna be 1

3 0

4 years ago

Sorry but it's a rly bad picture I rly need this I'm so confused

son4ous [18]

2x+1=9
Your going to always try to leave the x variable alone.
2x+1=9
-1 -1
2x=8
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x=4

5 0

3 years ago

Help PLEASE I will give you 30 points please

ohaa [14]

Answer

1) true

2)false

3)false

4)true

5)true

Step-by-step explanation:

7 0

3 years ago

In a random sample of 16 residents of the state of Washington, the mean waste recycled per person per day was 2.8 pounds with a

kakasveta [241]

Answer: The required confidence interval would be (2.72,2.89)

Step-by-step explanation:

Since we have given that

Mean = 2.8 pounds

Standard deviation = 0.24 pounds

n = sample size = 16

We need to find the 80% confidence interval for the mean waste.

z=1.341

So, the confidence interval will be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=(2.8\pm 1.341\times \dfrac{0.24}{\sqrt{16}})\\\\=(2.8\pm 1.314\times 0.06)\\\\=(2.8-0.07884,2.8+0.07884)\\\\=(2.72116,2.87884)$

Hence, the required confidence interval would be (2.72,2.89)

4 0

3 years ago

2.-3(x-2) OS<br> (1 Point)<br> Enter your answer

Fantom [35]

Answer:

-3x+6

Step-by-step explanation:

Again, you multiply -3 times x and you get -3x, then you multiply -3 times -6 and since you are multiplying two negative numbers the result becomes positive so you get +6. Result = -3x+6

6 0

3 years ago