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Schach [20]
3 years ago
12

In a sample of 75 randomly selected students at a school, 32 are female. There are 1,371 students in the school. Using the resul

ts, predict the number of females in the school. Round to the nearest whole number.
Mathematics
1 answer:
zzz [600]3 years ago
8 0

Answer:

585

Step-by-step explanation:

let 'f' = females

based on sample, set up this proportion:

32/75 = f/1371

cross-multiply:

75f = 1371(32)

75f = 43872

f = 584.96

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rjkz [21]

Answer:

The correct option is 4.

4) Doing two distance formulas to show that adjacent sides are not the same length.

Step-by-step explanation:

Parallelogram is a quadrilateral which has opposite sides equals and parallel. Example of a parallelogram are rhombus, rectangle, square etc.

We can prove that a quadrilateral MNOP is a parallelogram. If we find the slopes of all four sides and compare those of the opposite ends, same slopes would indicate the opposite sides are parallel, hence the quarilateral is a parallelogram. We can also find the distance of two opposing sides, and slopes of twp opposing sides to determine whether it is a parallelogram or not. The most difficult approach is that diagonals bisect each other at same point.

However, using only two distance formulas will not give us enough information to determine whether a side is parallel or not.

7 0
4 years ago
Ashley is a software saleswoman. Her base salary is $1,500, and she makes an additional $60 for every copy pf history is fun she
SSSSS [86.1K]

Answer:

2,880

Step-by-step explanation:

P + 60N = x

1500 + 60(23) = x

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3 years ago
Chris is packing toy boxes that are cubes with 4 inch-sides into a crate. The crate is 3 feet wide by 3 feet long by 2 feet tall
OleMash [197]
A lot of toy boxes my dude
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Which of these is equal to 9 - 4?
Veronika [31]

Answer:

5

Step-by-step explanation:

...yeah

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Who can help me and answer the 2 questions for me :(
Art [367]
For Question 1:
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