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3 years ago

8 5/12+ 106 3/4+ 77 5/6+ 23 7/10=

1 answer:

7 0

$8\dfrac{5}{12} = 106\dfrac{3}{4} + 77\dfrac{5}{6} + 23\dfrac{7}{10}$

$= 8\dfrac{50}{120} = 106\dfrac{90}{120} + 77\dfrac{100}{120} + 23\dfrac{84}{120}$

$= 214\dfrac{324}{120}$

$= 216\dfrac{7}{10}$

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In a group of college students, the ratio of men to women is 3:1 (i.e., 3 to 1). In a recent survey, 40% of the men in this grou

katovenus [111]

Answer:

0.3875

Step-by-step explanation:

Given that in a group of college students, the ratio of men to women is 3:1 (i.e., 3 to 1). In a recent survey, 40% of the men in this group selected hiking as their favorite outdoor activity whereas 35% of the women in the group selected hiking as their favorite outdoor activity

From the above information we find that

P(Men) = 0.75 and P(women) = 0.25 (since men:women = 3:1)

Out of men prob for not selecting hiking as their favorite outdoor activity

$=1-0.6 = 0.4$

Out of women prob for not selecting hiking as their favorite outdoor activity

$=1-0.35 = 0.65$

Prob for a randomly selected person that hiking is not his/her favorite outdoor activity = Prob (man and not selected activitiy) + P(women and not selected activity) (since men and women are mutually exclusive and exhaustive)

= $0.75(0.4)+0.25(0.35)\\= 0.30+0.0875\\\\=0.3875$

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3 years ago

Question 13

PtichkaEL [24]

Answer:

B. 30x

D. x(45-15)

Step-by-step explanation:

The distributive property lets you factor out the common factor of x. The sum of coefficients can be simplified to a single coefficient.

45x -15x = x(45 -15) = 30x

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2 years ago

Write out steps on how to solve 21.4divided by 4.75

Natasha_Volkova [10]

Answer:

Step-by-step explanation:

21.4÷4.75

First- you have to move the decimal placement two times to the right
Second- you have to put the number 21.4 under the dividing box
Third- put the number 4.75 out to the left of the decimal box
Fourth- when that's all completed you have to multiply the 475. until you get clos to the number 2140.
Fifth- once done you have to subtract the multiplied number that you get you then subtract it from 2140
Sixth- you keep on doing the fifth step until you get a reasonable answer
Seventh- you write the answer down
Eighth- there is no eighth step so you can stop reading this answer

Your welcome from Stonestreet181 and have a good day

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3 years ago

Steps to find the answer of this picture pretty please

Kazeer [188]

add the sides together

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3 years ago

A punch bowl is in the shape of a cylinder he height of the Punch bowl is 10 inches and the diameter of the Punch bowl is 14 inc

mixas84 [53]

Answer:

The volume required to fill the punch bowl till 1 inch from the top is 1385.44 inches³

Step-by-step explanation:

Total Height of the punch bowl = 10 inches

Diameter of the bowl = d = 14 inches

Since, radius is half of the diameter, the radius of the bowl would be = r = 7 inches.

The shape of punch bowl is given to be cylindrical and we have to find the volume of the bowl. The formula to calculate the volume of a cylinder is:

$Volume=\pi r^{2} h$

Here, h represents the height.

We have to find the volume to fill the bowl till 1 inch from the top. Since, the height of bowl is 10 inches, we have to fill it to 9 inches. Therefore, the value of height(h) which we will substitute in the formula will be 9. Using the values in the formula gives us:

$Volume =\pi (7)^{2} \times 9\\\\ Volume =441\pi \\\\ Volume = 1385.44$

This means, the volume required to fill the punch bowl till 1 inch from the top is 1385.44 inches³

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3 years ago