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spin [16.1K]
3 years ago
13

Bobby walked into Ms. Mathis' algebra class and asked each student what their favorite subject is. Is this an example of random

sampling?
A. No. This is a convenience sample. Only students in Ms. Mathis' class were picked.

B. Yes. This is a random sample. Bobby randomly selected Ms. Mathis's class to survey.

C. There is not enough information.​
Mathematics
2 answers:
Fudgin [204]3 years ago
7 0

Answer:

B

Step-by-step explanation:

because he is doing a graph in math class and math class is the only area were you do graphs

Leni [432]3 years ago
3 0

Answer:

C there is not enough information

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Find the value of y.<br><br> 5<br> 8<br> 4<br> 2<br><br> 50 Pts!
Vinvika [58]

Answer and Explanation:

Since this is a 30-60-90 triangle, you can use the ratio of side lengths specific to this type of triangle:

x = 4√(2)

y = 2(4) = 8

because where 4 = T,

x = T√2    and     y = 2T

so again:

x = 4\sqrt{2}\\y = 8

8 0
3 years ago
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Can someone please help me please I really need help please help me.
kvv77 [185]

Answer:

Step-by-step explanation:

I can't get to act correctly either.

The answer is 1 day and 7 items.

Ariana

y = 5x + 2

Julie

y = 7x

The ys have to be the same so equate the right hand side.

7x = 5x + 2                      Subtract 5x from both sides.

7x - 5x = 5x - 5x + 2

2x = 2                             Divide by 2

2x/2 = 2/2

x = 1

1 day

7 items

6 0
3 years ago
How could you put that is a mathematic form??
Vladimir [108]
Where's the picture???? I'm confusedd
7 0
3 years ago
Help me solve this please ill give good rating...
blagie [28]

Answer: For the first part, her total savings would be $88, and for the second part, (let's pretend s = the total savings) the equation would be s = 40 + w x 6.

Step-by-step explanation: As for the first part, we would need to multiply her money per week times the amount of weeks she works. We can do this by simply multiplying the amount she makes (6) by the amount of weeks she works (8), resulting in 48, but we still have to add that number to the amount she already has, or 40, making $88 in total, as for the second part, this does a great job of explaining the reasoning behind that as well. Hope this answered your question!

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3 years ago
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Wewaii [24]

Answer:

is there a formula in the notes if so put it in then it might help out

Step-by-step explanation:

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3 years ago
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