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anygoal [31]
3 years ago
14

The following is an example of a biased sample of students from a middle school.

Mathematics
2 answers:
Archy [21]3 years ago
8 0

Answer:

true

Step-by-step explanation:

LenKa [72]3 years ago
4 0

Answer:

hey i think the answer is true

Step-by-step explanation:

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HELP ME PLEASE, I'D LIKE TO UNDERSTAND HOW TO DO THIS TOO SO I'LL GIVE BRAINLY FOR THE RIGHT ANSWER WITH GOOD AND UNDERSTANDING
umka2103 [35]

Answer:

34 goes in the blank.

Step-by-step explanation:

Triangle ABC is congruent to triangle TUV implies the following:

Angle A is congruent to angle T.

Angle B is congruent to angle U.

Angle C is congruent to angle V.

Side AB is congruent to side TU.

Side BC is congruent to side UV.

Side CA is congruent to side VT.

Note: Order tells you everything in a congruence statement.

Since side BC is congruent to UV, then the measure of side BC is equal to the measure of side UV.

8x+2=7x+6

Subtract 7x on both sides:

1x+2=6

x+2=6

Subtract 2 on both sides:

x=6-2

x=4

So if x=4, then the measure of side BC is 8x+2=8(4)+2=32+2=34.

So the measure of BC is 34 cm.

5 0
3 years ago
Mr Burns wants to buy every student in year 11 a doughnut
dusya [7]

26*5 is 130

He'll have ten left over if each student in year 11 has one :) Hope this helps!

6 0
3 years ago
Read 2 more answers
Find the lengths of g, h, and j. Round answers to the nearest tenth. (marking brainliest for correct)
Bezzdna [24]

Answer:

j=13, g=20.8, h=24

Step-by-step explanation:

The overall shape given and the shape within, are both right triangles. With right triangles, you are allowed to use the pythagorean theorem formula (a^{2} + b^{2} = c^{2}) in order to solve for some sides. In this case, that would be j and h. The five in the smaller triangle is represented by b and the 12 is the hypotenuse so it is represented by c. When you plug in those numbers in the pythagorean theorem formula, you will find the value of j to be 13. When looking at this, we see that 12 is the second greatest value in the right triangle values that we just found, so we know the the opposing angle for that one will be 60 degrees. The 5's opposing side is therefore 30 degrees. When subtracting 90 and 30, we get 60, so therefore you can use the 30 60 90 formula to find the sides of the bigger triangle. The 60 degrees represents g. This formula will be a\sqrt{3}. The a is 12 since it is the smallest value. So therefore, g is 12\sqrt{3}, which is 20.8. Now that we have this side, we can just use the pythagorean theorem formula to find the remaining side. Therefore, h is going to be 24

4 0
2 years ago
The figure below is a regular polygon what is the sum of exterior angles?
Drupady [299]

Answer:

1260 degrees

Step-by-step explanation:

the degree of one interior angle is 108 degrees, therefore the exterior angle is 252 degrees. there are 5 interior angles, so there are 5 exterior angles. 252*5=1260 degrees

3 0
3 years ago
HELP MEEEEESSSSSSSSSSSSSSSSSS
MaRussiya [10]

Answer:

c

Step-by-step explanation: use a calculator

7 0
3 years ago
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