$MathMaster logo$

MathMaster

Home
general
6b 6 4 3b 27 12 solve proportion

Question

6b-6/-4 =3b+27/-12 Solve proportion

283

likes

1413 views

Answer to a math question 6b-6/-4 =3b+27/-12 Solve proportion

$Expert avatar$

4.7

114 Answers

$(6b-6)(-12)=(-4)(3b+27)$

$-12(6b-6)=-4(3b+27)$

$-72b+72=-12b-108$

$-72b=-12b-180$

$-60b=-180$

$b=3$

Frequently asked questions (FAQs)

What is the value of f(x) = tan(π/6) when evaluated in radians?

+

What is the solution to the cubic equation x^3 - 4x^2 + 6x - 9 = 0?

+

What is the result when the vector (-3, 5) is added to the vector (7, -2)?

+

New questions in Mathematics

The director of a company must transfer 6 people from the human resources department to the sales department, in order to sustain sales during the month of December. What is the probability that he will transfer only 2 of them?

2x-4y=-6; -4y+4y=-8

A soft drink machine outputs a mean of 23 ounces per cup. The machines output is normally distributed with a standard deviation of 3 ounces. What is the probability of filling a cup between 26 and 28 ounces round your answer to four decimal places

A job takes 9 workers 92 hours to finish. How many hours would it take 5 workers to complete the same job?

A test has 5 multiple choice questions. Each question has 4 alternatives, only one of which is correct. A student who did not study for the test randomly chooses one alternative for each question.(a) What is the probability of him getting a zero on the test?(b) What is the probability of him getting a three or more? The maximum mark for the test is 5, with each question worth one point.

In the telephone exchange of a certain university, calls come in at a rate of 5 every 2 minutes. Assuming a Poisson distribution, the average number of calls per second is: a) 1/8 b) 1/12 c) 1/10 d) 2/5 e) 1/24

Use linear approximation to estimate the value of the sine of 31o.

Quadratic equation 2X = 15/X + 7

A contractor gives a bank note for $10250 at a rate of 1% for one month. How much interest is charged for 4 months?

factor the polynomial completely over the set of complex numbers b(x)=x^4-2x^3-17x^2+4x+30

Let N be the total number of ways to choose at least one ride, out of a total of 7 different ones, existing in an amusement park. Can it be said that N is a natural number equal to?

a) Statistics scores are normally distributed with the mean of 75 and standard deviation of 7. What is the probability that a student scores between 80 and 88

Oi👋🏻 Toque em "Criar Nova Tarefa" para enviar seu problema de matemática. Um dos nossos especialistas começará a trabalhar nisso imediatamente!

The following incoming payments show up at a tax inspection: 25 000€ on 19.01.2008, 140 000€ on 27.03.2008 and 19 000€ on a date that which is illegible, and 60 000€ on 15.06.2008. On which date did the payment of the 19 000€ appear, if on 30.06.2008 the money on the account (incl. interest at 4%) is 246 088.89€? Use simple interest and 30E/360 DCC. Solution: 45 days, 15.05.08

7-1=6 6x2=12 Explain that

A triangle is cut by a line s parallel to the base in such a way that it divides the side of the triangle into parts in the ratio of 2 : 3. Find the other side of the triangle if it is known that the line s divides it into parts whose length is 5 cm.

Mark is gluing a ribbon around the sides of a picture frame. The frame is 11 inches long and 7 includes wide. How much ribbon does Mark need?