PLEASE, I NEED HELP!!!!
MATHS!!!

Answers

Answer 1

Answer:

Step-by-step explanation:

Related Questions

10. According to a survey, about 58% of families sit down for a fumily dinner at least four times per week. You ask 5 randomly chosen families whether they have a family dinner at least four times per week.

a. Draw a histogram of the binomial distribution for the survey.
b. What is the most likely outcome of the survey?
c. What is the probability that at least 3 families have a family dinner four times per week?

Answers

Step-by-step explanation:

Use binomial probability:

P = nCr pʳ qⁿ⁻ʳ

where n is the number of trials,

r is the number of successes,

p is the probability of success,

and q is the probability of failure (1−p).

Given n = 5, p = 0.58, and q = 0.42.

P(0) = ₅C₀ (0.58)⁰ (0.42)⁵⁻⁰ = 0.013

P(1) = ₅C₁ (0.58)¹ (0.42)⁵⁻¹ = 0.090

P(2) = ₅C₂ (0.58)² (0.42)⁵⁻² = 0.249

P(3) = ₅C₃ (0.58)³ (0.42)⁵⁻³ = 0.344

P(4) = ₅C₄ (0.58)⁴ (0.42)⁵⁻⁴ = 0.238

P(5) = ₅C₅ (0.58)⁵ (0.42)⁵⁻⁵ = 0.066

The most likely result is 3 families.

The probability of at least 3 families is:

0.344 + 0.238 + 0.066 = 0.648

Nicole invested $400 in a fund for 6 years and was paid simple interest. The total interest that she received on the investment was $72. As a
percentage, what was the annual interest rate of her investment?

Answers

Answer:

83.3333%

Step-by-step explanation:

The accrued amount of an investment is the original principal P plus the accumulated simple interest, I = Prt, therefore we have:

A = P + I = P + (Prt), and finally A = P(1 + rt)

There are 11 apples in a basket. 5 of these apples are green.the rest of them are red. What are the ratio of all apples to red apples? What is the ratio of green apples to red apples?

Answers

you joking me this is so easy! 11-5=66 red apples. 11:6 11 to 6 11/6different ways.

Answer:

11/6 or 1 5/6

Step-by-step explanation:

11 = 5 = 6

11/6

simplified it is

1 5/6

15 points PLEASE HELP
Kirk earns $27.50 an hour and he worked 80 hours this pay period. His deductions are $396 for taxes. $264 for insurance, and $175 for retirement What is
his net pay for this pay period?

Answers

Answer:

27.50(80) is 2,200

2,200-396-175-264= 1,365

I think this is how u do it correct me if I'm wrong

help please (see below)

Answers

Answer:

The quotient is 10x + 16

The remainder is [tex]28x^2 + 10x +22[/tex]

2) Why is it that when you fill the venn diagram with the number of elements, you
always need to start from the intersection of all sets?

Answers

Answer:

This is because it is easier this way.

You avoid the problem of putting an element in one set and then realizing that the element also belongs to another set, then you must erase something in order to put the element in both sets. Starting with the intersection allows you to know where will be each set in the diagram, and in this way, the diagram should end up being more readable or "clean".

This may seem small, but being "clean" when doing math, will allow you to have an easier time dealing with a lot of problems. And also will be easier for other people when reading your equations and such.

What would be the answer to number nine

Answers

Answer:

x=9.06

Step-by-step explanation:

We have the hypotenuse and we want the opposite of angle a.

so we do

sin65 = x/10.

Solve for x by simplifying both sides of the equation, then isolating the variable.

How do I solve this?

Answers

Answer:

<B = <ABC = 107°

Step-by-step explanation:

<CAB = 32° (property of isosceles triangle)

<ACB = 41° (property of isosceles triangle)

<ABC = ?

<ABC + <ACB + < CAB = 180° (sum of angles of triangle)

<ABC + 41° + 32° = 180°

<ABC + 73° = 180°

<ABC = 180° - 73°

<ABC = 107°

This is my question?
(-8.811)(16.29)
I hope you can solve this!!

Answers

Answer:

-143.53119

Step-by-step explanation: i think sorry if its wrong

Please help and please pick between a b c or d

Answers

The answer is A because the x^2 would be 4. 4x4=16

y=5/3x -15 in general form

Answers

Answer: 5x - 3y = 45

Step-by-step explanation:

Hope this helps

What came first into your mind when you read the word “union"? How did you
get the union between the two given sets?

Answers

Answer:

well when you hear "union" you think 'joined' or 'together' since thats what it means, In a mathmatical set of numbers, union means that both of the sets are necessary for the equation to be true. I'm not sure what the sets are in this problem but in order to get "union" from anything, that means that when you checked for your domains, the values that you got had to be part of both the given sets

What is the difference between 7.20 dollars and 2.70 dollars In unit prices

Answers

Answer:

7.2-2.7=x Doo the math buddy

Step-by-step explanation:

Answer:

4.5

Step-by-step explanation:

Which of the following statements is true?

The number 0 is a natural number.
The number is an integer.
The value π is a rational number.
The number -5 is a real number.

Answers

Answer:

The number -5 is a real number is true.

Answer:

what number is the second sentence

A scuba diver dives until he is 45 ft below sea level. His friend is at -12 ft. How many feet are they away from each other?

Answers

Answer:

Step-by-step explanation:

45 - (-12) = 33

His friend is 33ft away from him.

Which one is greater 8 or -12

Answers

Answer:

Step-by-step explanation:

-12 is below 0 and 8 is above

Answer:

8 is greater

Step-by-step explanation:

the negative sign= - is meaning below so

12 below is -12 which is less so 8 is greater

5,395
- 2,697
How do you solve?

Answers

Answer:

2698

Step-by-step explanation:First you take 1000 from 5000 and then distribute it to 395

Answer:

you would subtract 2697 from 5395. you have it in the correct format. the answer would be 2,698.

Step-by-step explanation:

Six less than four times a number is 24
written out in numbers

Answers

Your number is 0, 4x6=24 and six less than six is 0

Answer:

4x - 6 = 24

+ 6. +6

4x=30

x=7.5

What is the answer to 6.59+(-7.8)-(2.41)=

Answers

The answer is -3.62... hope it helps! :)

Kathy's car runs almost 21 miles on a gallon of gas. If Kathy needs to travel 250
miles, at least how much gas does she need to reach her destination? Express your
answer to the nearest whole gallon.
Оа
Ob
Oc
Od
at least 8 gallons.
at least 10 gallons.
at least 12 gallons.
at least 14 gallons

Answers

Answer:

at least 8 gallons

Step-by-step explanation:

35% of what is 28?............

Answers

35 percent (calculated percentage %) of what number equals 28? Answer: 80.

35% of 80 is 28.

Answer is 80.

Every day the Washington pet store uses 3/4 of a bag of dog food to feed the dogs his many days will 1 1/2 bags of dog food last

Answers

Answer:

2 days

Step-by-step explanation:

What is the slope of the line that passes through:
(6,5) and (-1,-4)

Thank You!

Answers

Answer:

[tex]m=\frac{9}{7}[/tex]

Step-by-step explanation:

Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Simply plug in the 2 coordinates into the slope formula to find slope m:

[tex]m=\frac{-4-5}{-1-6}[/tex]

[tex]m=\frac{-9}{-7}[/tex]

[tex]m=\frac{9}{7}[/tex]

Complete the multiplication problem to find the answer.
26.1
X3.4
1044
7830
A. 88.74
B. 8874
C. 887.4
D. 87.84
Plzz help

Answers

Answer: 88.74

Step-by-step explanation:

Answer:

Answer is 887.4

Step-by-step explanation:

Is it geometric or arithmetic? Why

Answers

Answer: It is Geometric.

Step-by-step explanation: Because it does not have a fixed pattern that adds or subtract which arithmetic does.

Determine the mean, median, mode, and midrange for this collection of class test scores: 88 82 97 76 79 92 65 84 79 90 75 82 78 77 93 88 95 73 69 89 93 78 60 95 88 72 80 94 88 74 a. Mean is 84, median is 82, mode is 82, midrange is 77 b. Mean is 82, median is 88, mode is 88, midrange is 77 c. Mean is 82.4, median is 88, mode is 82, midrange is 78.5 d. Mean is 82.4, median is 82, mode is 88, midrange is 78.5

Answers

Mean of a given set of data = Sum of all observations ÷ Total number of observations

Mean of this data set = 88 + 82 + 97 + 76 + 79 + 92 + 65 + 84 + 79 + 90 + 75 + 82 + 78 + 77 + 93 + 88 + 95 + 73 + 69 89 + 93 + 78 + 60 + 95 + 88 + 72 + 80 + 94 + 88 + 74

Mean = 2729 ÷ 30

Mean = 82.4

Median = the middle observation in a given set of data

Median of these test scores = 60 , 65 , 69 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 78 , 79 , 79 , 80 , 82 , 82 , 84 , 88 , 88 , 88 , 88 , 89 , 90 , 92 , 93 , 93 , 94 , 95 , 95 , 97 .

Median = 82 + 82 / 2

= 164 ÷ 2

= 82

Median = 82

Mode = most frequently occurring number in a given set of data .

Mode of these test scores =

= 60 = 1 time

= 65 = 1 time

= 69 = 1 time

= 72 = 1 time

= 73 = 1 time

= 74 = 1 time

= 75 = 1 time

= 76 = 1 time

= 77 = 1 time

= 78 = 2 times

= 79 = 2 times

= 80 = 1 time

= 82 = 2 times

= 84 = 1 time

= 88 = 4 times

= 89 = 1 time

= 90 = 1 time

= 92 = 1 time

= 93 = 2 times

= 94 = 1 time

= 95 = 2 times

= 97 = 1 time

Mode = 88

Midrange = average of the largest and smallest number in a given set of data

Midrange of these test scores = 97 + 60 / 2

= 97 + 60 / 2

= 157 ÷ 2

= 78.5

Midrange = 78.5

Therefore , the correct option is :-

(d) Mean is 82.4 , median is 82 , mode is 88 , midrange is 78.5

An orthocenter of a triangle is

Answers

Answer:

the intersection of the triangle's three altitudes.

Step-by-step explanation:

hope this helped </3

HELP PLEASE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

65mph

Step-by-step explanation:

Add 100 and 30 together then divide by 2. You get 65 miles per hour.

find the value ofx in the equation 3x+1=×+9.

Answers

Answer:

x = 4

Step-by-step explanation:

First, you subtract 1 from both sides, giving you 3x = x + 8

Then you subtract 1x from both sides, so 2x = 8

Divide the 2 from both sides which leaves you with the answer, x = 4

(3x²+5x)-(2x²-3x) simplify

Answers

Your answer is X^2 + 8x

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PLEASE, I NEED HELP!!!! MATHS!!!

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PLEASE, I NEED HELP!!!!
MATHS!!!