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Stels [109]
4 years ago
10

A class is made up of 10 boys and 4 girls. Half of the girls wear glasses. A student is selected at random from the class what i

s the probability that the student is a girl with glasses
Mathematics
2 answers:
ZanzabumX [31]4 years ago
8 0

Answer:

2/14 or 1/7

Step-by-step explanation:

Half the girls where glasses so 2 girls.

there are only 2 girls that wear glasses out of all the 14

so the answer is 2/14

NikAS [45]4 years ago
8 0
Answer:
1 in 6 chance or 16.6- percent chance (17% chance rounded up)


Explanation: So first of all the probability of a girl getting called in general is a 4 in 14 chance. Or a 25% chance. We can figure this out by finding out the amount of girls, and adding it by the guys, and putting the girls as the numerator. Since half the girls wear glasses, this puts it down to 2 girls in all, simply replace the 4 with a 2 and you have a 2 in 14 chance, which simplifies to a 1 in 6 chance. Thus, the probability would be a 1 in 6 chance, or 16.6- chance.
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PLEASE SOMEONE PLEASEEE HELP ASAP
nlexa [21]

Answer:

52/63

Step-by-step explanation:

Given the expression;

4/7 * 13/9

WE are to take the product

= (4/9)* (13/7)

= (4*13)/(7*9)

= 52/63

Hence the required fraction is  52/63

5 0
3 years ago
Chicken tenders or chicken nuggets
antiseptic1488 [7]

Answer:

i dont know which one to choose but chicken tenders

6 0
3 years ago
Increase 1000 in the ratio 2:5
REY [17]

Answer:

1400

Step-by-step explanation:

2/5×1000=400

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5 0
3 years ago
Read 2 more answers
In calendar year 2004, Division A of MegaStore increased its sales from $1.5 billion to $1.8 billion, and Division B increased i
german
A’s increase is 1.8/1.5=6/5; B’s increase is 1/0.6=5/3.
A formula for A is A(t)=1.5(6/5)^t and for B, B(t)=0.6(5/3)^t where t is years since 2004.
When A=B, 1.5(6/5)^t=0.6(5/3)^t.
Taking logs: log1.5+tlog(6/5)=log0.6+tlog(5/3), t(log(5/3)-log(6/5))=log1.5-log0.6.
tlog(25/18)=log2.5, t=log2.5/log(25/18)=2.7893 approx.
This occurs during 2006 around mid-October.
Common sales=1.5(6/5)^2.7893=0.6(5/3)^2.7893=$2.4943 billion.
7 0
4 years ago
Which relationship in the triangle must be true?
forsale [732]

Answer:

sinB=cos(90-B)

Step-by-step explanation:

this is the relationship between sin and cos. other choices are wrong

3 0
3 years ago
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