In a study of the causes of death, it was found that 52% of all Americans die from heart disease. Find the probability that in a group of 500 randomly selected Americans, at least 275 die from heart disease.

Answers

Answer 1

Answer:

55%

Step-by-step explanation:

100/500=0.2

0.2 x 275= 55

55%


Related Questions

the mean of the following numbers is 15. 14,10,18,,21,15,14​

Answers

Answer:

= 15.285714285714

Step-by-step explanation:

please help me asap impor

Answers

I’m not sure sorry ☹️

Determine whether the system has no, one, or infinitely many solutions.
y = -6
4x + y = 2​

Answers

Answer:

It should have one answer

Step-by-step explanation:

y = -6

4x + -6 = 2

4x = 8

2

I WILL GIVE BRAINLIEST AND POINTS PLEASE GIVE ME THE ANSWER OF THIS FAST PLEASE!!!!!

Answers

The answer is c


That’s the answer

can someone help me round 621x29

Answers

Your rounded number is 18010

The reason for this is because when you multiply 621X29, you get 18009. When you round numbers, you want to see how the numbers are. If a number is 4 or below, you will make that number a zero or not count it, whereas numbers above 5 will go up. I hope this helps and if you have any questions, let me know

Answer:

18010

Step-by-step explanation: You see, 621x29=18009 and rounded is 18,010

Find the value of x when x² is equal to 121. * 4 points

Answers

you would take the square root of x^2 and of 121 so x =11

What is the easiest way to find the square root of a number?

Answers

Answer:

use a calculator

Step-by-step explanation:

best trick

You can memorize the basic square roots of the main numbers kinda hard but i guess that’s the only way after using a calculator

A card is drawn from a deck of 52 cards. What is the probability that it is a 6 or club a ​?

Answers

Answer: 0.3077

Explanation: In a standard deck of cards, there are 52 cards. They are broken down into suits (4 of them: Spades, Hearts, Diamonds, Clubs) of 13 cards each. Each suit has 13 ordinal cards (A, 2 through 10, Jack, Queen, King).

Here we're asked to draw a card at random and find the probability of drawing either a diamond or a 7.

With probability, we look at the fraction of ways we can achieve some condition (the numerator) over the number of ways we can do something (the denominator).

Our denominator here is 52 - the number of cards from which we can pull 1.

Our numerator is both all the diamonds, 13 cards, and all the sevens, 4 cards, but we need to subtract 1 to account for the double counting of the 7 of diamonds.

In all we get: 13+4−1/52=16/52=4/13≈0.3077

Hope this helps... Stay safe and have a great day/night!!!

What is the LCM of 81 and 84​

Answers

Answer:

2268

Step-by-step explanation:

What is the kinetic energy of a bicycle that has a mass of 20 kg and is traveling at a velocity of 10 m/sec? KE= .5 x M x V^2

Answers

You have the formula.
KE= 0.5(20 kg) (10 m/s)^2
KE= 10kg * 100 = 1000 J

The kinetic energy of the bicycle is 100 N

What is kinetic energy?

Kinetic energy is the energy in motion and it is energy doing work. It can be expressed by using the formula:

[tex]\mathbf{K.E = \dfrac{1}{2}\times m \times v^2}[/tex]

where;

m = mass of the object v = velocity of the object

[tex]\mathbf{K.E =0.5 \times 20 \ kg \times 10 \ m/s^2}[/tex]

K.E = 100 N

Learn more about the kinetic energy here:

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4 4/5 divided by 2 1/5​

Answers

Answer:

2 2/11

Step-by-step explanation:

When you [_______________] measurements, the answer should only have the same number of significant figures as the measurement with the fewest significant figures

Answers

Answer:

When doing multiplication or division with measured values, the answer should have the same number of significant figures as the measured value with the least number of significant figures. Procedure to determine significant figures after multiplication or division: 1.

Step-by-step explanation:

The required solution is multiplication or division.

It is required to find the fill in blanks.

What is arithmetic?

Arithmetic is the branch of mathematics that deals with the study of numbers using various operations on them. Basic operations of math are addition, subtraction, multiplication and division. These operations are denoted by the given symbols.

Given:

When doing multiplication or division with measured values, the answer should have the same number of significant figures as the measured value with the least number of significant figures.

Therefore, the required solution is multiplication or division.

Learn more details about arithmetic here:

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HELP ME PLEASEEEEEEEEEEEEEEEE

Answers

The answer should be the second one 8 1/2

A party planner estimates a party will cost $200 plus $8 for each person attending. What is the y-intercept of the graph of the linear function representing the total cost of the party?

Answers

Answer:

The y intercept is 200

Step-by-step explanation:

Given

Base Cost = 200

Per person =8

Required

Determine the y intercept

First, we need to determine the equation.

The total amount (y) for x persons can be calculated using:

y = Base Cost + Amount per person * x.

This gives

y = 200 + 8 * x

y = 200 + 8x

The general expression of a linear equation is:

y = mx + b

Where b = y intercept

By comparison,

b = 200

Hence, the y intercept is 200

Select all radical expressions that are equivalent to 347. (3√4)7 (3√7)4 21−−√4 37−−√4 81−−√7 12−−√7

Answers

Answer: (3√7)4 and 81−−√7

Step-by-step explanation:

Jenny cut a wire into 4 equal pieces. The wire was originally 7.92 meters long. How long is each piece?

Answers

Answer:

1.98 meters

Step-by-step explanation:

divide 7.92 by 4

(7.92)/4

1.98

I need help with this

Answers

Answer:

120 students

Step-by-step explanation:

so divide 300 by 10 = 30

then multiply it by 4 = 120

Construct the exponential function that contains the points (0,3) and (2,75).

Answers

Answer: 3(5)^x

Step-by-step explanation:

that was the correct answer

The required exponential function is given as y = 3[5]ˣ.

What is an exponential function?

The function which is in format f(x) =aˣ where a is constant and x is variable,  the domain of this exponential function lies   (-∞, ∞).

Here,
Let
y = abˣ
Substitute the pairs and form two equations,
3 = a   - - - - - - - (1)
75 = ab²   - - - - - (2)

Dividing equation 2 by 1
25 = b²
b = 5
Now,
y = 3{5}ˣ

Thus, the required exponential function is given as y = 3[5]ˣ.

learn more about exponential function here:

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Tyler’s brother works in a shoe store. Tyler’s brother earns $12 per hour. The store offers him a raise—a 5% increase per hour. After the raise, how much will Tyler’s brother make per hour?

Answers

Answer: 12.6

Step-by-step explanation: calculator  ._.

using the arithmetic sequence 12,15,18,21.....What is the 12th term of the sequence​

Answers

Answer: 45

Step-by-step explanation:

f(n) = f(1)+CD(n-1)

f(n) = 12+3(n-1)

f(n) = 12 +3n -3

f(n) = 3n+9

plug in 12 for n

f(12) = 3(12)+9

= 36 +9

=45

Answer: 45

Step-by-step explanation: 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45

Use the distributive property to remove the parentheses. Simplify your answer as much as possible.
1/2(4w-5)
please help i need answers asap​

Answers

Answer:

2w - 2 1/2

Step-by-step explanation:

you need to multiply the faction by each one of the numbers. multiplying them by 1/2 is going to be the same was dividing them by 2

4w (1/2) - 5 (1/2)

2w - 2 1/2

hope this helps!

The ratio of the number of silver watches to the number of gold watches in a shop 2:3. Which of the following best describes the number of silver and gold watches in the shop?

Answers

Answer:

For every 2 silver watches, there are 3 gold watches :)

Step-by-step explanation:

For every 2 silver watches, there are 3 gold watches :)

NEED HELP ASSSAAPPP
Choose the correct slope of the line that passes through the points (-4, 8) and (-8,8).
O slope = undefined
O slope = -1
O slope = 1
O slope = 0

Answers

Answer:

0

Step-by-step explanation:

Jerry started doing sit ups every day. The first day he did 15 sit ups. Every day after he did 4 more sit ups than he had done the previous day. Today jerry did 65 sit ups. Write an equation that could be solved to find the number of days jerry has been doing sit ups, not counting the first day.

Answers

Answer:

y=4x+15

Step-by-step explanation:

y-total

x-days

Olivia needs 54 licks for every 3 lollipops she eats.

Answers

18 is your answer

54 divided by 3 = eighteen

Answer:

If the question is how many licks does she need for each lollipop, the answer will be 18 licks

Step-by-step explanation:

54/3=18licks

Hope this helps pls give brainliest!

15% of the students in the class
did not complete their homework. If there
are 20 students in the class, how many didn't do their homework?

Answers

Answer:

3

Step-by-step explanation:

15% of 20 Is 3.

There are 105 members in a marching band. They are traveling on buses. Each bus holds 35 members. How many buses are needed to carry the band members?

Answers

Answer:

3 buses i'm pretty sure :))

Please tell me this answer

Answers

Answer: 162

60466176/373248

Step-by-step explanation: 12^4*9^3*4= 60466176 and 6^3*8^2*27= 373248. If you divide these together you get 128.

Write two decimals that have the sum of 16.825

Answers

10.805 and 6.02


explanation: 10.805 + 6.02 = 16.825

why does 4^3 equal 64 and not 12

Answers

Answer:

because 4.4.4.4

Step-by-step explanation:

If a number has an exponent it is not 4x3 it is 4x4x4. So if multiply four by itself three times you get 64. I hope that helps!
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