30)
The variable y is directly proportional to the variable x. If y = 12 when x = 14, what is the value of x when y = 747

Answers

Answer 1

Answer:

871.5

Step-by-step explanation:

directly proportional

y = kx

y = 12 when x = 14

12 = k(14)

k = 12/14

k = 6/7

--------------------------

what is the value of x when y = 747

747 = (6/7) * x

Multiply both sides by 7/6

747 * 7/6 = x

871.5 = x


Related Questions

Order from least to greatest.
18.186; 18.1806; 18.085; 18.0728; 18.1472

Answers

18.0728 18.085 18.1472 18.1806 18.186

I NEED HELP MATH WIZZARDS! I’m very confused on this problem and I need help immediately!! I will mark brainlist!! Thanks

Answers

i’m pretty sure the answer is C

If f: R →R defined by f(x)=2−1/

5

be an invertible function, write f–1

(x)​

Answers

Answer:

F(x)=x+C

Step-by-step explanation:

Find the function by taking the integral of the derivative.

What is tan 330°?
A. .- (sqrt(3))/(3)
B. (sqrt(3)/(3)
C. *- sqrt(3)
D. 'sqrt(3)

Answers

Answer:

tan 330°=Tan(360-30)°=-Tan30=-√3/3

A. .- (sqrt(3))/(3) is a required answer.

since it lies in forth quadrant as tan is negative in there

tan330tan(360-30°)-tan30°-1/√3

Or

-√3/3

A research firm needs to estimate within 3% the proportion of junior executives leaving large manufacturing companies within three years. A 0.95 degree of confidence is to be used. Several years ago, a study revealed that 35% of junior executives left their company within three years. To update this study, how many junior executives should be surveyed

Answers

Answer:

972 junior executives should be surveyed.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.

[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

In which

z is the zscore that has a pvalue of [tex]1 - \frac{\alpha}{2}[/tex].

The margin of error is of:

[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

35% of junior executives left their company within three years.

This means that [tex]\pi = 0.35[/tex]

0.95 = 95% confidence level

So [tex]\alpha = 0.05[/tex], z is the value of Z that has a pvalue of [tex]1 - \frac{0.05}{2} = 0.975[/tex], so [tex]Z = 1.96[/tex].

To update this study, how many junior executives should be surveyed?

Within 3% of the proportion, which means that this is n for which M = 0.03. So

[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

[tex]0.03 = 1.96\sqrt{\frac{0.35*0.65}{n}}[/tex]

[tex]0.03\sqrt{n} = 1.96\sqrt{0.35*0.65}[/tex]

[tex]\sqrt{n} = \frac{1.96\sqrt{0.35*0.65}}{0.03}[/tex]

[tex](\sqrt{n})^2 = (\frac{1.96\sqrt{0.35*0.65}}{0.03})^2[/tex]

[tex]n = 971.2[/tex]

Rounding up:

972 junior executives should be surveyed.

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Answers

Answer:

Let us first jot down all the data given in the question;

Number of low quality computers (LQ) = 72

Number of medium quality computers (MQ) = 112

Number of high quality computers (HQ) = 711

∴ Total number of computers found in a random sample = 72 + 112 + 711 = 895.

∴ To find the probability of purchase for each category of computers, we use the following formula;

So,

P(LQ) = 72/895 = 0.08

P(MQ) = 112/895 = 0.125

P(HQ) = 711/895 = 0.794

Ans) Probability of purchase of  a low quality computer, a medium quality computer, and a high quality computer are 0.08, 0.125, and 0.794 respectively

A similar answer can be found here:-

https://www.brainly.com/question/7297949

Answer:

1/117,1/112,1/72

just make it a faction by adding one as the numeerator

Please help!!! I have a chance to get $50 if I get all of these questions right!!

If you don't know all the answers please don't answer. Please answer all of the questions correctly like be 110% sure that you are correct on all of them please!! I put the questions in as an attachment like a screenshot please please please help and answer all the questions and answer them with 110% certainty that you know what you are doing!!

Answers

Answer:

number 1 is c      number 2 is b,c,e  number 3 is b

Step-by-step explanation:

1: if you see something to the power you will always think of repeated multiplication off the bat. so you just multiply the coefficient by the amount of the exponent.

2: 1*1*1*1*1*1*1*1*1*1*1*1*1*1*1*1=1 no

2*2*2*2=16 yes

4*4=16 yes

8*8=64 no

16=16 yes

3: 3/4*3/4*3/4=27/64

hope this helps! have a nice day!

pls help 25 points

If all the dimensions of a cube are increased by a factor of 4, how will the volume of the cube change?

increase by a factor of 12
increase by a factor of 16
increase by a factor of 8
increase by a factor of 64

Answers

It will increase by a factor of 64

The regular quadrilateral pyramid has a base edge b=7 cm and the height of the pyramid h=12 cm. Find the volume of the pyramid.

Answers

Answer:

V=196 cm cubed

Step-by-step explanation:

Formula: 1/3 Base * Height

Base = 7*7 = 49

49 * 12 = 588

588 * 1/3 = 196

There you go :)

A. 19 units
B. 38 units
C. 12 units
D. 22 units

Answers

Answer:

I think 12 is 5he right answer

pleaseeee helppppppp

Answers

Answer:

The answer is A [   5(a + 6)   ]

Step-by-step explanation:

Makayla goes bowling.
She has $25.00 to spend.
She spends $4.25 to rent shoes.
She spends $2.50 for each game he bowls.
Which inequality can Makayla use to determine x, the greatest number of games he can bowl?
A) 2.5 +4.25x > 25
B 4.25 + 2.5x > 25
2.5 + 4.25x < 25
D 4.25 +2.5x < 25

Answers

Answer:

4.25 + 2.50x < 25

Step-by-step explanation:

Makayla can't spend more than $25 and you pay an initial fee of 4.25 for the shoes and 2.50 for each game so the inequality would be

D.) $4.25 + 2.50x < 25.

I need the answer pls answer

Answers

Answer:

b

Step-by-step explanation:

How many times did Emmy get her
hair cut in the year?

Answers

Answer:

5

Step-by-step explanation:

Answer:

Whats the question?

Step-by-step explanation:

Need help ASAP will give brainly

Answers

Answer:

18) 50.43 m²19) 252 cm²11) 6

PLEASE PLEASE HELP Use the stem-and-leaf plot below to answer questions 1–3.

What is the range of data?
A. 40
B. 42
C. 54
D. 96
What is the median of the data?
A. 64.5
B. 72.5
C. 74.5
D. 75
What is the mode of the data?
A. 5
B. 70
C. 75
D. 88​

Answers

Step-by-step explanation:

the range of data i think is c

mode is a.5

HELPPPP MEEEEEEE PLZZZZZZ

Answers

I think is D. 4,800 cubic units

Daniel had $30 to spend at the fair admission to the fair is $7 and rides cost $1.50 each write and equality that represents Daniels situation

Answers

Answer:

1.5x + 7 < 30

Step-by-step explanation:

Let x = number of rides.

The total cost is

1.5x + 7

The inequality is

1.5x + 7 < 30

URGENT NEED THIS DONE FAST LINKS WILL BE REPORTED

Answers

x=3
2 times 3 equals 6

[tex]\pink{\bold{\underline{\underline{hello ♡}}}}[/tex]

Since 2x = 6, we have to divide each side by 2 to find x.

6÷2= 3

Our answer is 3.

What is the 5 number summary for this data? 10,9,3, 4, 2, 8, 22
NO LINKS

Answers

Answer:

Here's li^{} nk to the answer:

bit.^{} ly/3fcEdSx

the line ab has midpoint (-2,4). a has coordinates (3,-2). find the coordinates of b

Answers

Answer:

B = (-7,10)

Step-by-step explanation:

Given that , a line AB has midpoint (-2,4) and the coordinates of A is ( 3 , -2). We need to find out the coordinates of B .

Let coordinate of B be ( p,q ). We can use midpoint formula , as ,

=> Midpoint = ( x₁ + x₂ / 2 , y₁ + y₂/2 )

=> ( -2,4 ) = ( p + 3)/2 , ( q -2 )/2

On comparing ,

=> -2 = p + 3/2

=> p + 3 = -4

=> p = -3 - 4

=> p = (-7)

Also :-

=> q - 2/2 = 4

=> q -2 = 8

=> q = 8 + 2

=> q = 10

Hence the coordinates of B is ( -7,10 ) .

xhu-ubmc-gcz jo-in mee-t girl-s​

Answers

Answer:

what is that for

Step-by-step explanation:

what was that

inserted picture below with the question and details. please help!

Answers

9514 1404 393

Answer:

  316.2 m/s

Step-by-step explanation:

What the problem statement doesn't tell you is that the value of m in the formula must have units of kilograms. 17 grams is 0.017 kilograms, so the velocity is ...

  [tex]v=\sqrt{\dfrac{2K}{m}}=\sqrt{\dfrac{2(850)\text{ J}}{0.017\text{ kg}}}=\sqrt{100\,000}\text{ m/s}\approx316.2\text{ m/s}[/tex]

_____

Additional comment

If you simply put the numbers into the formula without regard to correct units, you might be led to believe the velocity is 10 m/s. That would be the speed of a 17 kg object with an energy of 850 J.

help please anyone. ty​

Answers

Answer:

b

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Image might help

Select all expressions equivalent to 162x^2 – 72.
2(9x - 6)^2
2 (81x^2 – 36)
2 (9x - 6) (9x + 6)
18(3x^2 – 2)^2
18 (3x - 2) (3x + 2)

Answers

Answer:

Step-by-step explanation:

Would you eat more calories having a package of M&Ms or TWO servings of Twizzlers.

Answers

Answer:

As per the USDA's M&M's nutrition facts, a single candy contains 3.4 calories, while one package provides 236 calories, 2 grams of protein and more than 30 grams of sugar.

There are 160 calories in 4 sticks (45 g) of Twizzlers Twizzlers

you would eat more calories with M&M's g

A line passes through the points A and B, whose coordinates are A(5, -5) and B(-10, -11). What is the equation of the line? The equation is given by Ax + Bx = C.

Answers

Answer:

Step-by-step explanation:

the instruction say put it in this form Ax +Bx = C  , but i'm sure they were meant to say this  Ax +By = C     note the  X and Y differences.  I'll use the latter form, b/c that's the  "standard" form

find the slope:

m = -11 - (-5) / -10-5

m = -11 + 5 / -15

m = -6 / -15

m = 2/5

y-(-5) = 2/5(x-5)

y + 5 = 2x/5 -2

y = [tex]\frac{2}{5}[/tex] x - 7

- [tex]\frac{2}{5}[/tex] x +y = -7

There you go, the right answer   :P

ben want to make pizza with salami He is going to make 3 pizza so he chops the salami into thirds
a) what fraction of the salami will go on the first pizza?
b)to make the first pizza he takes the first piece of salami and chops it into 15 equal slices. if he cuts all three parts the same way how many slices will there be in total
c)what fraction of the salmi goes on the pizza

Answers

Answer:

a) 1/3

b)45

Step-by-step explanation:

Answer:

a) 1/3

b)45

have a good day/night

What is the area of this cross section of this rectangular prism? Enter your answer in the box.
10 in.
6 in.
16 in.

Answers

Answer:

16.

Step-by-step explanation:

Is there a picture?


72% of what number is 144? Answer please

Answers

Answer:

103.68

Step-by-step explanation:

Answer:

103.68

To solve you would convert the percent to decimal form .72.

Then divide by 144

.72/144=103.68

your answer is 103.68

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