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nordsb [41]
3 years ago
12

I need the answer for 1-10

Mathematics
1 answer:
TiliK225 [7]3 years ago
6 0

Answer:

-9

Step-by

-9 because if you subtract 1 from 10 you get 9 ,the same method applies to the negative number. If you subtract a bigger number from a small number you get negative .

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Need help with 8,9, and 10
AnnZ [28]

Answer:C B A

2222222222222222222222222222222222222222222222222222222

6 0
3 years ago
You want to estimate the number of students in your middle school school who buy school lunch. Which sample is unbiased?
Nezavi [6.7K]
A biased example: Asking students who are in line to buy lunch 

An unbiased example: Asking students who are leaving/going to lunch(<em>NOT buying </em><em>lunch</em><em />).

But in this case, the answer choices can be... confusing.
Don't panic! You're given numbers and, of course, your use of logic.

Answer choice A: 100 students grades 6-8
Answer choice B: 20-30 students any <em>one</em> grade<em></em><em>
</em>Answer choice C: 5 students
<em></em>Answer choice D: 50 students grade 8

An unbiased example would be to choose students from <em>any grade.</em> So we can eliminate choices B and D.

Now, the question wants to <em>estimate how many people at your middle school buy lunch.</em> This includes the whole entire school, and if you are going to be asking people, you aren't just going to assume that if 5 people out of 5 people you asked bought lunch, the whole school buys lunch.

So, to eliminate all bias and/or error by prediction, answer choice A, the most number of students, is your answer.

6 0
3 years ago
3. Is XY Tangent to circle Z?<br> Y<br> 12 X<br> (20<br> Z<br> 18
Ratling [72]

Answer:

XY is a tangent

Step-by-step explanation:

Given

XY = 12

WY = 20

WZ = 8

Required

Is XY a tangent?

XY is a tangent if:

WY^2 = XY^2 + WX^2

Because XY should make a right angle at point X with the circle

Where

WX = 2 * WZ

So, we have:

WY^2 = XY^2 + WX^2

WY^2 = XY^2 + (2*WZ)^2

WY^2 = XY^2 + (2WZ)^2

WY^2 = XY^2 + 4WZ^2

This gives:

20^2 = 12^2 + 4*8^2

400 = 144 + 256

400 = 400

<em>Yes, XY is a tangent</em>

4 0
3 years ago
What is the slope of (-3,3),(1,-3)
MrMuchimi

Answer:

the slope is

             3

      -    ----

             2

Step-by-step explanation:

IDK, but this is the correct answer, may i please have brainliest


4 0
3 years ago
A can of juice is 6 inches high, and its base has a diameter
xenn [34]

Answer:

24 pie, or, 75.36 inches cubed

Step-by-step explanation:

The formula for volume of a cylinder is pie*radius^2*height

The radius is half the diameter, so the radius is 2 inches.

Plug in given information into the formula and solve.

4 0
3 years ago
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