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Ede4ka [16]
3 years ago
5

There are 30 seventh grade students in the cafeteria. In a representative sample of 25 students, there are 14 girls. Estimate th

e number of girls in the cafeteria.
Mathematics
1 answer:
Basile [38]3 years ago
7 0

Answer:

17 i think

Step-by-step explanation:

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How do you simplify 15/40​
Katyanochek1 [597]

Answer:3/8

Step-by-step explanation:

The simplest form of  

15 /40  is  3 /8 .

Steps to simplifying fractions

Find the GCD (or HCF) of numerator and denominator

GCD of 15 and 40 is 5

Divide both the numerator and denominator by the GCD

15 ÷ 5

40 ÷ 5

Reduced fraction:  

3 /8

Therefore, 15/40 simplified to lowest terms is 3/8.

3 0
3 years ago
Please help to answer ASAP
miv72 [106K]

143.17 times 1.35 = 193.28

5 0
3 years ago
In a factory, a parabolic mirror to be used in a searchlight was placed on the floor. it measured 50 centimeters tall and 90 cen
slavikrds [6]
Y=-2/81x^2+50 is the answer 
7 0
3 years ago
Read 2 more answers
12(x-20)=-48 what is x
Sophie [7]

Answer:

x = 16

Step-by-step explanation:

12(x - 20) = -48

Use distributive property

12*x - 12*20 = -48

12x - 240 = -48

Add 240 to both sides

12x = -48 + 240

12x = 192

Divide both sides by 12

x = 192/12

x = 16

3 0
2 years ago
Coefficient definition
Naily [24]

Answer:

In mathematics, a coefficient is a factor linked to a monomium. Given a monomium divider, the coefficient is the ratio of the monomium by the divider. Thus the monomium is the product of the coefficient and the divider. The different coefficients will depend on the factorization of the monomium. This is usually next to the letter that accompanies the algebraic fraction. A numeric coefficient is a constant factor of a specific object. For example, in the expression 9x2, the coefficient of x2 is 9. In elemental algebra, numeric coefficients of similar terms are grouped together to simplify algebraic expressions.

Step-by-step explanation:

4 0
3 years ago
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