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3 years ago

PLEASE THERE IS THIS GIRL THAT NEED THE AWNSERS HELP ME GUYS

Mathematics

2 answers:

Bad White [126]3 years ago

7 0

Answer:

1 at theorigain

2 5/6

3 1,1

4 4

Step-by-step explanation:

whos the girl

blake

(i got ur name of ur paper btw)

Karo-lina-s [1.5K]3 years ago

7 0

Answer:

1 at the origin

2 5/6

3 1,1

4 4

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3 years ago

Fifty-five percent of the members of the junior varsity swim team wear glasses. Of the team memebers who do not wear glasses, 30

GarryVolchara [31]

the probability that a randomly chosen member of the JV swim team does not wear glasses and is in the 10th grade is 14%.

Given, the members of the junior varsity swim team wear glasses is 55%.

And the members of junior varsity swim team who do not wear glasses and in 10th grade is 30%.

Let the total no. of members be x.

So, the members of the junior varsity swim team wear glasses (55%),will be

$0.55x$ .

The total number of members not wearing glasses, will be

$x - 0.55 x = 0.45 x$ .

Now, the no. of members not wearing glasses and in 10th grade will be,

$\frac{0.45x\times30}{100} =0.135x$

We know that the probability of an event E, P(E) will be,

$P(E)=\frac{No.\ of Favourable\ outcomes}{total \ no. \ of \ outcomes}$

So, the probability for no. of members not wearing glasses and in 10th grade will be,

$P(E)=\dfrac{0.135x}{x}$

$P(E)=0.135\\\\P(E)=13.5 \%$

Hence the nearest whole percent of probability is 14%.

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8 0

3 years ago

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,

hram777 [196]

Answer:

a) y=1/3 sqrt(x+1)

b) 2/3

c) 224

Step-by-step explanation:

a) y varies directly to sqrt(x+1)

means there is some constant k such that y=ksqrt(x+1)

y=1 when x=8 (plug this in and find k) 1=ksqrt(8+1)

1=ksqrt(9)

1=k(3)

1/3=k

So the equation is y=1/3 * sqrt(x+1)

a) y=1/3 *sqrt(x+1)

b) what is y when x=3 if you have y=1/3 * sqrt(x+1)

Plug in 3 for x

y=1/3 *sqrt(3+1)

y=1/3 *sqrt(4)

y=1/3 *2

y=2/3

b) 2/3

c) what is x when y=5

Plug in 5 for y

5=1/3 *sqrt(x+1)

multiply both sides by 3

15=sqrt(x+1)

square both sides

225=x+1

subtract 1 on both sides

224=x

c) 224

4 0

3 years ago