Mathematics College


A hot air balloon is at 14 feet above sea level, if you remove 7 sandbags, where
would the hot air balloon be? ( 1 feet = 1 sandbag)

Answers

Answer 1

Answer:

21 feet above sea level.

Step-by-step explanation:

If you remove weight, a hot balloon goes up. 14+7(feet) = 21 feet above sea level.

Answer 2

Answer:

21ft

Step-by-step explanation:

Related Questions

f(x) = -7x + 1, find f(-2) x
f=-2

Answers

Okay, so basically just plug -2 in for x in the equation and solve.

-7(-2) + 1

Multiply first

14 + 1

Now add

15

According to a Pew Research Center analysis of census data, in 2012, 15% of American adults ages 25 and older had never been married. If we repeatedly obtain random samples of 100 adults, what will be the mean  and standard error of the sampling distribution of sample proportions?

Answers

Answer:

........................

you already got the annswer but if you ever need math answers and or explanations asap use the app mathaway:) its super helpful

please help with this question

Answers

Answer:

Rotation

Step-by-step explanation:

Rotation around the origin I believe

Help D: PLEASE STAT ON THE DOT

Answers

Answer:

Mitch made a mistake in step 1.

Step-by-step explanation:

7.7 = w - 2

Add two to both sides

7.7 + 2 = w - 2 + 2

9.7 = w is the right answer.

What does please stat on the dot mean?

Anyway yeah he messed up on step 1 because he should have added the two on the other side instead of subtracting.

The real answer is 9.7

HELPPPPOP PLEASEEE ILL GIVE BRAINLIEST!!!!


question 4. Solve each compound inequality.

Answers

Answer:

-7/2≤x<3

Hope this helps!

Answer:

Step-by-step explanation:

bvcvcvcbvcbvcbvbvcv

When evaluting an expression, is it easier to combine terms first or substitute values first? PLSSSS ANSWERRR ILL GIVE BRAINLIEST

Answers

Answer:

What do you mean by combining terms?

If you have an equation like y=3(2+x), then you would need to substitute for x before you combined the terms "2" and "x"

If you mean combine LIKE terms then I would do that first, if not then I would substitute the values

write the equation in slope-intercept form. y - 2 = 6 (x + 1)​

Answers

Answer:

y=6x+8

Step-by-step explanation:

Write in slope-intercept form, y=mx+b.

Please find measure of angle s. PLEASE HELP FAST!!

Answers

Answer:

27

Step-by-step explanation:

15x-31 = 9x+11

6x-31 = 11

6x = 42

x = 7

15x -31 + 9x + 11 + s = 180

15(7) -31 + 9(7) + 11  + s = 180

105 - 31 + 63 + 11 + s = 180

153 + s = 180

s = 27

Find the critical value ze necessary to form a confidence interval at the level of confidence shown below
C=0.81
Zc

Answers

Answer:

1.31

Step-by-step explanation:

Please help it’s due

Answers

4 = 130

2 = 50

1 = 90

3 = 40

:)

Bill manages a restaurant. He schedules most of his employees to work on saturdays and fridays at night. If 24 of the 40 employees work at night, what percent of the employees work during the day? Pls answer asap! Will mark as brainlist!

Answers

Answer:

40%

Step-by-step explanation:

40-24=16

16/40 ×100 =40%

Helppppppp pleaseee okkkk


BRAINLEST POINTS 100

Answers

Answer:

7/10

Step-by-step explanation:

7/10 becaus dbzndbmshssnbsd

help help help help help help help help help help

Answers

Answer:

27

Step-by-step explanation:

Answer:

the answer its 31

Step-by-step explanation:

and first 21 : (2+1) x 5- 2^2

21 : 3 x 5 -2^2

7x5- 2^2

35-4

31

I hope you understand

A auto manufacturer claims that one of its car brands has mean MPG (miles per gallon) rating of 40 on the highway. Identify Type I error for this claim.

a. Fail to reject the claim that mean is 40 MPG when it is actually 40 MPG.
b. Fail to reject the claim that mean is 40 MPG when it is actually not 40 MPG.
c. Reject the claim that mean is 40 MPG when it is actually not 40 MPG.
d. Reject the claim that mean is 40 MPG when it is actually 40 MPG.

Answers

Answer:

d. Reject the claim that mean is 40 MPG when it is actually 40 MPG.

Step-by-step explanation:

The type 1 error could be said to have been made if the null hypothesis is erroneously rejected.

In the scenario above :

The null hypothesis (H0) : mean = 40

Hence, if the Null hypothesis defined above is rejected when in fact the hypothesis that the mean miles per gallon is actually 40.

On the other hand, the type 2 error occurs when a null which is false is not rejected.

Hence, when a true null is rejected, a type 1 error is committed. Similarly, when a false null isn't rejected, then a type 2 error has been committed.

hope this photo helps.enjoy

Suppose the graph of a cubic polynomial function
has the same zeroes and passes through the
coordinate (0, -5).
Describe the steps for writing the equation of this
cubic polynomial function.
DONE

Answers

Answer:

Use the zeroes to determine the roots.

Write the polynomial as a product of the leading coefficient, a, and the factors, where each factor is x minus a root.

Use the y-intercept (0, –5) to solve for the leading coefficient.

Substitute the leading coefficient into the polynomial function for a and simplify.

Step-by-step explanation:

Use the given conditions to find the exact value of the expression.

Answers

9514 1404 393

Answer:

  (7 -24√3)/50 = 0.14 -0.48√3

Step-by-step explanation:

Sine is negative and cosine is positive in the 4th quadrant, so ...

  sin(α) = -√(1 -cos(α)²) = -√(1 -576/625) = -7/25

Then the cosine of the angle sum is ...

  cos(α +5π/6) = cos(α)cos(5π/6) -sin(α)sin(5π/6)

  = (24/25)(-√3/2) -(-7/25)(1/2)

  = (7 -24√3)/50 = 0.14 -0.48√3

What number represents the same amount as 8 hundreds + 10 + 0 ones?

Answers

Answer:

810

Step-by-step explanation:

hope it help you ☺☺....

Which of the following equations demonstrates the Identity Property of One? A. 3 - 2 = 1 B. 4 • 1 = 14 C. 1 • b = b D. 0 + 1 = 1

Answers

Answer: C

The identity property of 1 is that any number multiplied but it remains the same.

Hence

1 x b = b

please help! refer to the picture!

Answers

Step-by-step explanation:

ans:

option

c

mark me as brainliest

D
First solve the second equation. Replace g (2) into that equation which just means replace 2 in the place of x. You should get f (3). Then, replace f (3) in the first equation which just means replace 3 in the x's.
(3 - 2)^3 (3^2 - 4) / 16
(1) (5) / 16
= 5/16

Is the amount of time it takes to download a file from the internet discrete or continuous?

Answers

Answer:

The amount of time that is spent downloading internet files is a continuous measurement and is not discrete, because it will always follow the same length of time that is estimated to download, but due to changes of internet WiFi connectivity and other background programs this can all affect the speed of the computer programs responsible for downloading the files.

Answer/Step-by-step explanation:

The amount of time that is spent downloading internet files is a continuous measurement and is not discrete, because it will always follow the same length of time that is estimated to download, but due to changes of internet WiFi connectivity and other background programs this can all affect the speed of the computer programs responsible for downloading the files.

If f(x) = 1.2-3.4x what is the value of f(5.1)

Answers

Answer:

−f(5.1) =  16.14

Step-by-step explanation:

Hope this helps!  Stay safe!

Suppose Z3 = 24 - 22. Which quadrant contains z3?
O quadrant 1
O quadrant 11
O quadrant III
quadrant IV

Answers

I think it’s quadrant IV

Answer:

D

Step-by-step explanation:

i think

-7*3^0.25x=-10 what is the solution of the equation

Answers

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

x = 1.08547955

What is the slope m in the equation y = -2x + 5

Answers

Answer:

m = -2

General Formulas and Concepts:

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step-by-step explanation:

Step 1: Define function

y = -2x + 5

Step 2: Break function

Slope m = -2

y-intercept (0, 5)

need someone’s help with this please!!!

Answers

option 4 you’re welcomeee

Which equation represents the line that passes through
the point (10, 1) and is perpendicular to the graph of
2x - y = 7?

Answers

Answer:

x+2y=12

Step-by-step explanation:

I used DESMOS graphing calculator. I highly recommend it for problems like this.

Evaluate the expression 16!/12!4!

Answers

Answer: Sorry i don't really understand the question

Step-by-step explanation:

Answer = 1820

16!/12!4!

16x15x14x13/ 4x3x2x1 = 43680/24 = 1820

See the photo for the entire worked problem.

Which fraction is equivalent to 2/3 explain

Answers

Answer:

4/6, 8/12, 20/30

Step-by-step explanation:

They are equivalent to 2/3, because they can all be simplified to 2/3.

For example, 2 x 2 = 4 and 2 x 3 = 6; this gives me 4/6. I multiplied 2/3 by 2/2.

SO it can also be 2/3 = 4/6= 6/9 = 8/12 = 10/15 = 12/15 = 15/18 = 18/21 = 21/24 etc.

~hope it's right

4/6 is equivalent to 2/3
If you times both numbers by 2 you get the answer
2/3
x/x
2/2
——-
4/6

how many solutions does this equations have 3(2.4x+4)=4.1x+7+3.1x?

Answers

Answer:

3(2.4x+4)=4.1x+7+3.1x has no solutions.

Investors buy a studio apartment for 140,000. Of this​ amount, they have a down payment of 35,000. Their down payment is what percent of the purchase​ price? What percent of the purchase price would a ​$56,000 down payment​ be?

Answers

Answer:

25%40%

Step-by-step explanation:

Cost of apartment = 140000Down payment = 35000

Down payment of 35000 is:

35000/140000*100% = 25%

Down payment of 56000 is:

56000/140000*100% = 40%

Answer:32553

Step-by-step explanation:1,400x35000x 56000/ 140000

Other Questions
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