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Fiesta28 [93]
3 years ago
7

in The table below is constructed based on the entire senior class's gender and eye color. Using this table, what is the probabi

lity of randomly selecting a black eyed senior female?​

Mathematics
2 answers:
gladu [14]3 years ago
7 0

Answer:

20/167, or 11.97%%

Step-by-step explanation:

There are 187 seniors.

Of those 187, there are 45 who have black eyes.

Of those 45 black eyes, 20 of them are female.

There are 20 black eyed female seniors.

There are 167 total students.

The probability is 20/167 or 11.9760479%.

poizon [28]3 years ago
3 0

Answer:

20/167

Step-by-step explanation:

There are 20 female students with black eyes out of a total of 167 students

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Sarah bought 3 1/2 pints of blueberries to make jelly. She ate 3/4 of a pint of berries on her way home. How many pints of berri
AnnyKZ [126]

Answer:

11/4 or 2.75 pints

Step-by-step explanation:

We want to find the difference between the original amount of blueberries and the amount she ate

original amount-amount ate

3 1/2 -3/4

To subtract, we need common denominators

The common denominator of 2 and 4 is 4

3 1/2=7/2

Multiply by 2/2 to get a common denominator of 4

7/2*2/2=14/4

Now, we have common denominators and can subtract

14/4-3/4

Subtract the numerators, and leave the denominators as 4

11/4 =2.75

She has 11/4 or 2.75 pints left

8 0
3 years ago
Simplify the expression 11+3(−5+4)
Ghella [55]

Answer:

= 11+3(-1)

= -14

The answer is -14.

Step-by-step explanation:

Please mark me brainliest

7 0
2 years ago
Y=-0.05x^2+4.5x-6.5 pls help to solve
givi [52]
Following with the extra hint that x = 82.03 m

There are 2 ways to approach the question, but although I prefer to group up x first before plugging value, having that -0.05x^2 to group up is too annoying:

Plug x = 82.03

=> Y = -0.05*(82.03^2) + 4.5*82.03 - 6.5
         = -336.446045 + 369.135 - 6.5
         = 26.188955 m

Please take the time and understand the answer instead of just looking at the final result.

Also I know the number is very long, but that's the question's fault. <span>¯\_(ツ)_/¯</span>

6 0
3 years ago
What is the area of the trapezoid below?
amid [387]

Answer:

A=130

Step-by-step explanation:

A=\frac{a+b}{2} h=\frac{7+19}{2}*10=130\\\\a = base\\b = base\\h = height

6 0
3 years ago
How much ice cream can be put into a cone with radius 3.5 cm and height 12cm​
ivolga24 [154]

Step-by-step explanation:

radius of the cone = 3.5cm

height of cone = 12 cm

volume of cone = pie × r ^2 × h

= 1/3 × 22/7 × 35/10× 35 /10 × 12  = 154 cm^3

the extra icecream cannot be measured untill it's weight is not given.

6 0
3 years ago
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