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Black_prince [1.1K]
3 years ago
7

Heyyyyy please help me do this question

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
7 0
The answer is 42.

Since 1/3 of them dropped out, 2/3 are still in the race. 2/3 of 84 is 56.

For the second part, 1/4 of them dropped out, meaning 3/4 of the REMAINING runners are still in. 3/4 of 56 is 42.
Vlad [161]3 years ago
6 0

Answer:

5/12

Step-by-step explanation:

convert 1/3 to 4/12 and 1/4 to 3/12 so 3+4=7 so 7/12 dropped out so now 12-7=5 so 5/12 is the answer

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2 years ago
A group of students are asked to evaluate their teacher mid-quarter
Umnica [9.8K]

Answer: perceived lack of anonymity

Step-by-step explanation:

The source of bias that occurs when a group of students are asked to evaluate their teacher mid-quarter is a perceived lack of anonymity.

Perceived lack of anonymity occurs when the responder is afraid that if he or she gives an honest answer, it can end up affecting them negatively.

In this case, the students may be afraid that giving an honest opinion on the teacher will affect them.

7 0
3 years ago
Please help me on this math question?
Whitepunk [10]
M=30° because the right angle and 60 degree angle equal 150 and 180 (degrees in a triangle) minus 150 is 30

n=50° because 40 plus the right angle is 130 then the difference between that and 180 is 50 then n is the vertex angle of the one you found

t=98° because answer n plus the other part to the straight angle including the 112° angle is 68 then the total angle turns to 118 then the final angle turns to 62 via earlier reasoning, then because of another straight angle t=98

use the earlier reasoning to fine the other answers of

p=71°
q=39°

use the angle degrees formula to get Pentagon's maximum angles then use earlier resources

the final answers u should be able to figure out from there and u will never learn unless you do some yourself
5 0
2 years ago
Does anyone know this??
blagie [28]

Answer:

x = 38, y = 4

Step-by-step explanation:

Since AB = BC  then the triangle is isosceles and the base angles are congruent, that is

∠ DAB = ∠ DCB = 52°

Subtract the sum of the base angle from 180° for ∠ ABC

∠ ABC = 180° - (52 + 52)° = 180° - 104° = 76°

Note that ∠ ABD = ∠ CBD, thus

x = 76 ÷ 2 = 38

BD bisects the side AC, thus DC = AD = 4

Thus y = 4

5 0
3 years ago
Help me I need help with this factorization of 630?
nignag [31]

Answer:

The prime factors are: 2 x 3 x 3 x 5 x 7

or also written as { 2, 3, 3, 5, 7 }

Written in exponential form: 2 x 3 × 3 x 5 ×1  x 7×1

6 0
3 years ago
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