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3 years ago

PLSSSSSS HELPPPP!!!!!Determine the area of the composite figure shown.

Mathematics

1 answer:

katrin2010 [14]3 years ago

7 0

Answer: 26.13yards^2

Step-by-step explanation:

To find the area of the bottom part we can use the diameter.

6 yards. Divide it by half to have the Radius.

Now we use the formula to find the area of a circle which is

A = 3.14*R^2 Pie times radius squared.

A = 3.14*3^2

A = 3.14*9

A = 28.26 Now that we have the area of the circle divide it by 2.

14.13

Now to find the area of an isosceles triangle we use the formula

A = Base * Height Divided by 2.

A = 6*4/2

A = 24/2

A = 12

12 + 14.13 = 26.13

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Consider randomly selecting a student at a large university. Let A be the event that the selected student has a Visa card, let B

Tems11 [23]

Answer:

0.75

Step-by-step explanation:

Given,

P(A) = 0.6, P(B) = 0.4, P(C) = 0.2,

P(A ∩ B) = 0.3, P(A ∩ C) = 0.12, P(B ∩ C) = 0.1 and P(A ∩ B ∩ C) = 0.07,

Where,

A = event that the selected student has a Visa card,

B = event that the selected student has a MasterCard,

C = event that the selected student has an American Express card,

We know that,

P(A ∪ B ∪ C) = P(A) + P(B) + P(C) - P(A ∩ B) - P(A ∩ C) - P(B ∩ C) + P(A ∩ B ∩ C)

= 0.6 + 0.4 + 0.2 - 0.3 - 0.12 - 0.1 + 0.07

= 0.75

Hence, the probability that the selected student has at least one of the three types of cards is 0.75.

5 0

3 years ago

Can I please get some help on these two

OlgaM077 [116]

7. (150 cal)/(3/4 serving) = 150/1 / 3/4 = 150/1 * 4/3 = 200 cal/serving

6 0

3 years ago

What is y in the equation 7/5y=3-1/5

enot [183]

Answer:2

Step-by-step explanation:first you subtract 3 and 1/5 and you'll get 2 4/5 then make that an improper fraction which will be 14/5 and then flip your 7/5 and multiply both sides by it so your 7/5 will be multiplied by 5/7 and they will cancel out the you take 14/5 and multiply it by 5/7 and you'll get y=2

3 0

3 years ago

A marketing company plans to hold a meeting in a large conference room at a hotel. The Cost of renting the room is $500, and the

hodyreva [135]

Answer:

The greatest number of people that can attend the meeting on that budget is 116

Step-by-step explanation:

The cost for the meeting is given by the following expression:

cost = 500 + 6*person

Since the budget is $1200 the cost must be at most equal to that, therefore:

1200 = 500 + 6*person

500 + 6*person = 1200

6*person = 1200 - 500

6*person = 700

person = 700/6 = 116.667

Since there can't be a 0.667 person, the greatest number of people that can attend the meeting on that budget is 116

7 0

3 years ago

“finding the zeros of a quadratic function”<br> a=?<br> b=?<br> c=?

Kisachek [45]

A=-1
B=1
C=6

That’s the answer but the zeros of the equation is -2 wnd 3

7 0

3 years ago