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Arturiano [62]
3 years ago
15

A group of preschoolers has 16 boys and 6 girls.what is the ratio of girls to boys

Mathematics
2 answers:
Daniel [21]3 years ago
3 0
Possible answers:
3/8
or
3:8
Alex_Xolod [135]3 years ago
3 0
16:6
I think that's right
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A graduate student wanted to estimate the average time spent studying among graduate students at her school. She randomly sample
expeople1 [14]

Answer:

B. The width of the confidence interval would be smaller.

Step-by-step explanation:

By reducing the confidence level from 99% to 95%, the student assumes that there is more uncertainty about the new confidence interval than the previous one. That, being said, since the results aren't as certain, the confidence interval is widened towards a central average point because the new interval isn't as accurate.

Therefore, the answer is B. The width of the confidence interval would be smaller.

3 0
3 years ago
ABCD is a trapezium.
lisabon 2012 [21]

The length of BC is 4.674 m

<u>Explanation:</u>

Given:

Angle A = angle B = 90°

AD = 2.1 m

AB = 1.9 m

CD= 3.2 m

An image is inserted for the reference

According to the figure,

a is the base

b is the height

c is the hypotenuse

Using pythagoras theorm:

a² + b² = c²

a² + (1.9)² = (3.2)²

a² + 3.61 = 10.24

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Therefore, the length of BC is 4.674 m

7 0
3 years ago
PLS HELP IM DOING A TIMED QUIZ
Bond [772]

Answer:

30.3

Step-by-step explanation:

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6 0
3 years ago
Put 2/3 5/7 16/21 in order from least to greatest
hodyreva [135]

Answer:

5/7, 2/3, and 16/21

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Which expression is equivalent to 2+3
disa [49]

Answer:


Step-by-step explanation:

1. 9x^5  

2. 9x^6  

3. 27x^5  

4. 27x^6


3 0
3 years ago
Read 2 more answers
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