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ddd [48]
3 years ago
11

In a class of 20 students, 40% are boys. 25% of boys and 50% of the girls wear glasses. How many students wear glasses?

Mathematics
1 answer:
garri49 [273]3 years ago
7 0
I got eight...............
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X divided 4 is less than 4y minus 3
Mekhanik [1.2K]

Answer:

x \div 4 < 4y - 3

for the x divided by 4 you can put x/4 too if you want

3 0
3 years ago
Which of the following statements is false for an F distribution? ​ a. Degrees of freedom for the numerator can be smaller than
Darina [25.2K]

Answer:

A. True

B. True

C. True

D. False

Step-by-step explanation:

Option D is the only clear option that is false.

The S distribution is a statistical tool used to check the homogeneity of two independent estimates when studying population variance.

When using an F distribution, The ratio of the degree of freedom of the numerator to the denominator can be >1, = 1 or < 1.

This implies that degrees of freedom for the denominator can be smaller than the degrees of freedom for the numerator.

This makes option D false and hence the correct answer

5 0
3 years ago
Please answer with explanation of how you got the answer !!
Irina18 [472]

Answer:

−24

Step-by-step explanation:

Since there is only one negative, this means when all the values are multiplied together the product will be negative. Just multiply all three together to get −24.

(3)(−4)(2)

(−12)(2)

−24

It doesn't matter which order you multiply in in this case.

7 0
3 years ago
Help pls i don’t understand this
borishaifa [10]
It’s h and i have to use 20 characters in order to send:)
3 0
3 years ago
Read 2 more answers
Is it geometric or arithmetic? Why
Liula [17]

Answer: It is Geometric.

Step-by-step explanation: Because it does not have a fixed pattern that adds or subtract which arithmetic does.

7 0
3 years ago
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