what's the fourth proportional of 0.2, 0.5, 6​

Answers

Answer 1

Answer:

15

Step-by-step explanation:

a:b::c:d

a/b=c/d .......(eq 1)

let a=0.2, b=0.5, c=6, d=x

Not put values in eq 1

0.2/0.5 = 6/a

By cross multiplication we get:

0.2xa = 6x0.5

0.2a = 3

Dividing by 0.2 on both sides we get

0.2a/0.2 = 3/0.2

a = 15

Therefore The fourth proportional is 15


Related Questions

17, 25, 23, 200, 14
Mean
Median
Mode

Answers

Answer:mean- 55.8

Median-23

Mode:none

Step-by-step explanation:

Answer this correctly I’ll give u brainalist + 10 points

Answers

B

Step-by-step explanation:

it is the only one that has angles that are right next to eachother!

B is the answer to your question

Please help me anyone

Answers

Answer:

25

Step-by-step explanation:

2x=x+25

2x-x=25

x=25

Which of the following can NOT be answered from a regression equation?
a
predict the value of y at a particular value of x
estimate whether the linear association is positive or negative
estimate whether the association is linear or non linear
none of the above

Answers

Answer:

estimate whether the association is linear or non linear

Step-by-step explanation:

PLEASE HELP! What is the largest number represented on the stem and leaf plot ?

Answers

Answer:

44

Step-by-step explanation:

remember stem equal tens place and leafs equal the ones place

so we can conclude that the largest number would be 44

Answer:

44

Step-by-step explanation:

To read a stem leaf plot, the stem portion will represent the tens place and the leaf portion represents the ones place. Therefore, the largest number represented by this plot would be 44.


Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $8 monthly fee and charges an additional $0.12 for each minute of calls. The second plan has a $18 monthly fee and charges an additional $0.7 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

Answers

Answer:

200 minutes

Step-by-step explanation:

Let us assume the number of minutes be x

Now the two equations are

$8 + 0.12x = 0

And, $18 + 0.7x = 0

In the case when the cost of the two plans is equal

So

$8 + 0.12x  = $18 + 0.7x

$8 - $18 = 0.7x - 0.12x

-$10 = -0.05x

x = 200 minutes

A sample of students is taken from the school’s A honor roll. The school estimates that there are actually 360 students on the A honor roll. Using this sample, how many students on the A honor roll are 8th graders?

6thgraders=15
7thgraders=11
8thgraders=14

Answers

Answer:

Number of 8th Graders = 360 - X  

As you can see this question is not complete and lacks the essential data. But we will try to create a mathematical expression to calculate the number of students on the A honor roll which are from 8th grade.

As we know:

Total number of students on the A honor roll = 360

We are asked to calculate, number of students from 8th grade on the A honor  roll.

So, let's assume that "X" represents all the students who are on the A honor roll except 8th grade.

Mathematical Expression:

Number of 8th Graders = Total number of students on the A honor roll - X

Number of 8th Graders = 360 - X

So, if you know the value of X, you can easily calculate the number of students which are from 8th grade on the A honor roll.

I am not sure if it is wrong I am sorrry.

Pls help me which one is it

Answers

Answer:

c

Step-by-step explanation:

Answer:

No solutions

Step-by-step explanation:

If the graphs of the equations do not intersect (for example, if they are parallel), then there are no solutions that are true for both equations. ... When the lines are parallel, there are no solutions, and sometimes the two equations will graph as the same line, in which case we have an infinite number of solutions.

Hope this helped! Have a nice day! Plz mark as brainliest!!!

-XxDeathshotxX

please help, WILL GET BRAINLIEST​

Answers

Answer:

The right answer should be the second option: (16a^2)/(b^7)

The measures of two angles are 2x⁰ and (3x + 20)⁰. What is the measure of each angle if x = 14?

A. 48⁰, 42⁰
B. 28⁰, 62⁰
C. 36⁰, 62⁰
D. 48⁰, 28⁰

Answers

Answer:

The measures of two angles are 2x⁰ and (3x + 20)⁰. What is the measure of each angle if x = 14?

b 28 and 62

Question 4 (1 point) The half life of Cs-137 is 30.2 years. If the initial mass of the sample is 100kg, how much will remain after 151 years? Leave your answer as a decimal and do not round, Answer = kg Blank 1:​

Answers

Answer:

3.12 kg.

Step-by-step explanation:

Mass after t years:

The mass of the elements after t years is given by the following equation:

[tex]M(t) = M(0)(1-r)^t[/tex]

In which M(0) is the initial mass and r is the decay rate, as a decimal.

The half life of Cs-137 is 30.2 years.

This means that:

[tex]M(30.2) = 0.5M(0)[/tex]

We use this to find r.

[tex]M(t) = M(0)(1-r)^t[/tex]

[tex]0.5 = M(0)(1-r)^{30.2}[/tex]

[tex](1-r)^{30.2} = 0.5[/tex]

[tex]\sqrt[30.2]{(1-r)^{30.2}} = \sqrt[30.2]{0.5}[/tex]

[tex]1 - r = 0.5^{\frac{1}{30.2}}[/tex]

[tex]1 - r = 0.9773[/tex]

So

[tex]M(t) = M(0)(0.9773)^{t}[/tex]

If the initial mass of the sample is 100kg, how much will remain after 151 years?

This is M(151), with M(0) = 100. So

[tex]M(t) = 100(0.9773)^{t}[/tex]

[tex]M(151) = 100(0.9773)^{151} = 3.12[/tex]

The answer is 3.12 kg.

Estimate the square root to the nearest (a) integer and (b) tenth
105
a. nearest integer.
b. nearest tenth​

Answers

Answer:

a. nearest integer: -10

b. nearest tenth​: -10.2

Step-by-step explanation:

The estimated integers are a) 10 and b) 10.2

(a) To estimate the square root of 105 to the nearest integer, we can use a rough approximation.

The square root of 100 is 10, and the square root of 121 is 11. Since 105 is closer to 100 than it is to 121, we can estimate the square root of 105 to be approximately 10.

(b) To estimate the square root of 105 to the nearest tenth, we can use a calculator or perform some calculations.

The square root of 105 is approximately 10.246950766. Rounded to the nearest tenth, we get 10.2.

Hence the estimated integers are a) 10 and b) 10.2

Learn more about integers click;

https://brainly.com/question/490943

#SPJ2

Anyone good at Boolean Algebra?

Answers

Answer: no :(

Step-by-step explanation:

18 girls and 12 boys on a swim team. what is the percentage of boys?​

Answers

Answer:

40%

Step-by-step explanation:

The first step is to add 18 girls + 12 boys, which gives you the total number of people on the swim team, 30.

Next, you divide the 12 boys by the total swim team members, so:

[tex]\frac{12}{30}[/tex] = 0.4

Then, you multiply 0.4 by 100 to get the percentage:

0.4 × 100 = 40

Therefore, the swim team is made up of 40% boys, and 60% girls.

Answer:

40%

Step-by-step explanation:

30 total kids

12/30 as a decimal is 0.4

to make a decimal into a percent you move the decimal point 2 times to the right

that would be 40

then add the percent to make 40%

Can somebody help me?

Answers

Answer:smsjsjsjsjsjss

Step-by-step explanation:idididididisjsnsbuxxjhx

Ssjsjsjsjjssjsjmsjsjsjs

nfnvnxnfnfwmdkakjsxk

For which system of equations is the graph below a solution?​

Answers

Answer:

the answer for the graph and equations would be option D

Please help me solve this problem please

Answers

Answer:

Step-by-step explanation:

This is a trapezoid which has an area of

A=h(b2+b1)/2 (average of parallel bases times the height)

The tricky part is finding the height.

tan(90-62)=(9-8)/h

h=1/(tan(28)), now the area equation looks like

A=(b2+b1)/(2(tan28)), b1 and b2 are 8 and 9 so

A=17/(2tan28) ft^2 (exact)

A=15.99 ft^2 (to the nearest hundredth of a square foot)

They might just round it to 16 ft^2

• How do you write the mixed number shown as a fraction greater than l? 3 4​

Answers

Answer:

[tex] \frac{14}{4} [/tex]

simplified [tex] \frac{7}{2} [/tex]

Step-by-step explanation:

To turn a mixed number into a fraction :

[tex]3\frac{ + 2}{ \times 4} [/tex]

3 x 4 =12 +2 =14 that will be your numerator (top number on a fraction)

and 4 will be your demoninator (bottom number)

3
Solve for x. Round answer to the nearest tenth.
X
759
17

Answers

Answer:

x ≈ 4.6

Step-by-step explanation:

Reference angle = 75°

Opposite side to reference angle = 17

Adjacent side = x

Applying TOA:

Tan 75 = opp/adj

Tan 75 = 17/x

Multiply both sides by x

x*Tan 75 = 17

Divide both sides by Tan 75

x = 17/Tan 75

x ≈ 4.6

Maya bought T-shirts for $24. Each T-shirt cost $4. How many T-shirts did
she buy

Answers

Answer:

6

Step-by-step explanation:

24/4 = 6

hope this helps

If she spent a total of $24 and each shirt cost $4. You divide 24 by 4 and get 6. Maya has 6 T-shirts

Suppose a video store charges non-members $10 to rent each video. However, a membership costs $21 and members pay $3 to rent each video. For what number of videos is the cost the same?

Answers

Answer:

3

Step-by-step explanation:

Non Members pay $10 dollars each video 3 x 10= $30

membership costs $21 + 3 videos $3 each $21 + $9 =$30

Price is the same after 3 videos rented

Lules drog triangles when given three side lengths.
Which of these side lengths could be the sc lengths of a triangle?
Choose that are correct

Answers

Answer:

5,5,9 triangle is possible

3,4,5 triangle is also possible

all other length combinations aren't possible to form triangles.

Step-by-step explanation:

Choose the correct answer.

Answers

Answer:

9

Step-by-step explanation:

(✿◡‿◡) <-- she wants brainliest

The answer is 9

Step-by-step explanation:

I BELIEVE IT IS 9 N I HOPE THIS HELPS

Please answer
Will give brainlst

Answers

Answer:

[tex]13) > \\ 14) < \\ 15) < \\ 16) > [/tex]

Answer:

13. >

14. <

15. <

16. >

Step-by-step explanation:

13. √15 - 4 = -0.12 and √15 - 7 = -3.12

14. 2√18 = 8.4 and 2√21 = 9.16

15. -^3√30 = -3.1

16. √8 + 1 = 3.8 and √17 - 2 = 2.1

Determine the number of x-intercepts that appear on a graph of eac
f(x) = (x + 1)(x - 3)(x - 4)

Answers

Check the photo to get the answer

One of the legs of a right triangle measures 11 cm and its hypotenuse measures 12 cm. Find the measure of the other leg. If necessary, round to the nearest tenth.

Answers

Answer:

4.8cm

Step-by-step explanation:

a²+b²=c² where c is the hypotenuse so

Let's plug in those values

11²+b²=12²

b²=12²-11²

b²=23

b=4.8

When a button is pressed, a computer program outputs a random odd number greater than 1 and less than 9.  You press the button 4 times. How many possible outcomes are there?​

Answers

Answer:

Well if it is 1 to 9 and you press it 4 times you will have 9 possible outcomes

Step-by-step explanation:

The number of possible outcomes when the button is pressed 4 times is; 81 outcomes

Number of possible outcomesWhen the button is pressed first, the possible choices of random odd number are; 3, 5 and 7.

This is because the sample space includes odd numbers between 1 and 9 excluding 1 and 9.

Since number of possible choices for one press is 3,then for four presses, we will have;

3⁴ = 81 possible outcomes

Read more on probability outcomes at; https://brainly.com/question/25376712

Alexis cell phone company charges her $35 a month for phone service plus $0.40 for each text message. How many text message does Alexis send in a month if her bill was $72?

Answers

Answer:

$92.50

Step-by-step explanation:

$72 - $35 = 37

37 / 0.40 = 92.5

Answer = $92.50

which of the following are magnitudes for rotational symmetry of the hexagon hexagon below about the marked point? ​

Answers

9514 1404 393

Answer:

  (b)  120°

Step-by-step explanation:

The points on the figure are 120° apart, so each will replace the previous when the figure is rotated 120°.

The figure has 120° rotational symmetry.

__

That is also called "order 3 rotational symmetry" as there are three positions a point can be in that will make the figure look identical.

Answer:

B. 120 & D. 240 since they are both multiples of 120

Step-by-step explanation:

Hi! The person who explained it before me helped but didn't give the exact answer so I just wanted to say what it was so nobody got confused.

Have a nice day and hope this helps! :)

(btw it's right bc I just did it on khan)

A study was commissioned to find the mean weight of the residents in certain town. The study found the mean weight to be 150 pounds with a margin of error of 10 pounds. Which of the following is a reasonable value for the true mean weight of the residents of the town?​

Answers

Answer:

156.7

Step-by-step explanation:

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