$MathMaster logo$

MathMaster

Home
general
2x 4 8

Question

2x-4=8

102

likes

512 views

Answer to a math question 2x-4=8

$Expert avatar$

4.5

102 Answers

2x-4=8

2x=8+4

2x=12

x=12/2

x=6

Frequently asked questions (FAQs)

What is the value of sin(30°) + cos(45°) divided by tan(60°)?

+

What are the characteristics of the cubic function f(x) = x^3? Domain, range, end behavior, local extrema, symmetry, and x-intercepts are the topics.

+

Question: Define the function f(x) = ∫[0 to x] (2t + 4) dt. Evaluate f(3).

+

New questions in Mathematics

Let f(x)=||x|−6|+|15−|x|| . Then f(6)+f(15) is equal to:

Solution to the equation y'' - y' - 6y = 0

a) A tap can supply eight gallons of gasoline daily to each of its 250 customers for 60 days. By how many gallons should each customer's daily supply be reduced so that it can supply 50 more customers for twenty more days?

If L = (-2, -5) is reflected across y= -4 , what are the coordinates of L?

(6.2x10^3)(3x10^-6)

You are planning to buy a car worth $20,000. Which of the two deals described below would you choose, both with a 48-month term? (NB: estimate the monthly payment of each offer). i) the dealer offers to take 10% off the price, then lend you the balance at an annual percentage rate (APR) of 9%, monthly compounding. ii) the dealer offers to lend you $20,000 (i.e., no discount) at an APR of 3%, monthly compounding.

the probabilty that a person has a motorcycle, given that she owns a car 25%. the percentage of people owing a motorcycle is 15% and that who own a car is 35%. find probabilty that a person owns any one or both of those

logy/logx + logz/logy + logt/logz = 8x².t x=?

Prove that it is not possible to arrange the integers 1 to 240 in a table with 15 rows and 16 columns in such a way that the sum of the numbers in each of the columns is the same.

6-35 A recent study by an environmental watchdog determined that the amount of contaminants in Minnesota lakes (in parts per million) it has a normal distribution with a mean of 64 ppm and variance of 17.6. Assume that 35 lakes are randomly selected and sampled. Find the probability that the sample average of the amount of contaminants is a) Greater than 72 ppm. b) Between 64 and 72 ppm. c) Exactly 64 ppm. d) Greater than 94 ppm.

Three machines called A, B and C, produce 43%, 26% and 31% of the total production of a company, respectively. Furthermore, it has been detected that 8%, 2% and 1.6% of the product manufactured by these machines is defective. a) What is the probability that a product is not defective? b) A product is selected at random and found to be defective, what is the probability that it was manufactured on machine B?

Find the complement and supplement angles of 73

9/14 x 7/27 carry out indicated operation

To find the increased amount on a standard term deposit with the following conditions: starting amount: BGN 13000, type of deposit: annual, annual compound interest rate: 1.4%, after 4 years;

Solve for B write your answer as a fraction or as a whole number. B-1/7=4

P 13. Let P a point inside of a square ABCD. Show that the perpendicular lines drawn from A, B, C, respectively D, to BP, CP, DP, respectively AP are concurrent. Use geometric rotation.

A small box measures 10 in. by 4 in. by 6 in. high. Find the volume of the box.