MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
5x 13 7x 10 99
Question
5x+13+7x-10=99
Like
297
likes
1483
views
Answer to a math question 5x+13+7x-10=99
Gene
4.5
102
Answers
$12x+13-10=99$
$12x+3=99$
$12x=99-3$
$12x=96$
$x=8$
Frequently asked questions (FAQs)
What is the limit of (2x^3 - 5x^2 + 4x - 7)/(6x^2 + 3x + 2) as x approaches 2?
+
Math Question: Find the measure of angle x formed by a straight line intersecting two parallel lines, given that angle A measures 80 degrees.
+
How many different ways can you arrange the letters in the word "COMBINATORICS"?
+
New questions in Mathematics
Let ๐ข = ๐(๐ฅ, ๐ฆ) = (๐^๐ฅ)๐ ๐๐(3๐ฆ). Check if 9((๐^2) u / ๐(๐ฅ^2)) +((๐^2) ๐ข / ๐(๐ฆ^2)) = 0
Jose bought 3/4 of oil and his sister bought 6/8, which of the two bought more oil?
A book is between 400 and 450 pages. If we count them 2 at a time there is none left over, if we count them 5 at a time there is none left over and if we count them 7 at a time there are none left over, how many pages does the book have?
two particles start at the origin and move along the x axis. for 0 <= t <= 10, their respective position functions are given by x1 = cos(t) and x2 = (e^-3t) + 1. for how many values of t do the particles have the same velocity?
two pails of different sizes contain 34.5 litres of water altogether When 0.68 litre of water is poured from the bigger pail into the smaller pail the amount of water in the bigger pail is 9 times that in the smaller pail. How much water was in the smaller pail at first?
A, B, C and D are numbers; If ABCD = 23, What is the result of ABCD BCDA CDAB DABC operation?
4X^2 25
Determine the momentum of a 20 kg body traveling at 20 m/s.
A job takes 9 workers 92 hours to finish. How many hours would it take 5 workers to complete the same job?
How many different ways can a psychology student select 5 subjects from a pool of 20 subjects and assign each one to a different experiment?
The mean life of a television set is 119 months with a standard deviation of 13 months. If a sample of 67 televisions is randomly selected, what is the probability that the sample mean would be less than 121 months? Round your answer to four decimal places
โซ โ9x + 1 dx
You mix a powder drug with a 4.5ml of liquid to get a reconstituted solution with a concentration of 250mg/ml. The prescribers order is for 500 mg . You will give what ml of the reconstituted solution
A triangular window has a base of 6 ft. and a height of 7 ft. What is its area?
User Before the election, a poll of 60 voters found the proportion who support the Green candidate to be 25%. Calculate the 90% confidence interval for the population parameter. (Give your answers as a PERCENTAGE rounded to TWO DECIMAL PLACES: exclude any trailing zeros and DO NOT INSERT THE % SIGN) Give the lower limit of the 90% confidence interval Give the upper limit of the 90% confidence interval
A stunt man jumps horizontally from a building to the roof of a garage that is 2 meters lower. How fast does he need to be to land on the roof of the said garage that is 3 meters away from the building?
If a two-branch parallel current divider network, if the resistance of one branch is doubled while keeping all other factors constant, what happens to the current flow through that branch and the other branch? Select one: a. The current through the doubled resistance branch remains unchanged, and the current through the other branch decreases. b. The current through the doubled resistance branch decreases, and the current through the other branch remains unchanged. c. The current through the doubled resistance branch increases, and the current through the other branch remains unchanged. d. The current through both branches remain unchanged.
Using the bank and exact method, calculate the interest on capital 10000 at 12% annual nominal interest rate for the period from 15.3. 2016 until 10/10/2016
Congratulations, you have saved well and are ready to begin your retirement. If you have $1,750,000.00 saved for your retirement and want it to last for 40 years, and will earn 10.8% compounded monthly: What is the amount of the monthly distribuion? 216.50 How much interest is earned in retirement?
The mass of 120 molecules of X2C4 is 9127.2 amu. Identify the unknown atom, X, by finding the atomic mass. The atomic mass of C is 12.01 amu/atom
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
Find the equation of the normal to the curve y=xยฒ+4x-3 at point(1,2)
P is a polynomial defined by P(x) = 4x^3 - 11ร^2 - 6x + 9. Two factors are (x - 3) and (x + 1). Rewrite the expression for P as the product of linear factors.
For a temperature range between -3 degrees Celsius to 5 degrees Celsius, what is the temperature range in degrees Farenheight
A bird randomly chooses to land on 1 of 12 perches available in its aviary. Determine the Probability of it landing on a perch numbered 8 and then on a perch marked with a prime number; take into account that he never lands on the same perch in the sequence.
Suppose 56% of politicians are lawyers if a random sample of size 564 is selected, what is the probability that the proportion of politicians who are lawyers will differ from the total politicians proportions buy more than 4% round your answer to four decimal places
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
224 ร (6รท8)
12(3+7)-5
Raรบl, Gilberto and Arturo are playing golf; The probabilities of winning for each one are as follows: (Raรบl wins) = 20% (Gilberto wins) = 0.05% (Arturo wins) = ยพ%. Perform operations and order events from least to most probable.
Exercise 1 An ejidal association wishes to determine the distribution for the three different crops that it can plant for the next season on its available 900 hectares. Information on the total available and how many resources are required for each hectare of cultivation is shown in the following tables: Total available resource Water 15,000 m3 Fertilizer 5,000 kg Labor 125 day laborers Requirements per cultivated hectare Corn Soybeans Wheat Water 15 25 20 Fertilizer 5 8 7 Labor** 1/8 1/5 1/4 *The data in fraction means that with one day laborer it will be possible to care for 8, 5 and 4 hectares respectively. * Sales of crops 1 and 3, according to information from the Department of Agriculture, are guaranteed and exceed the capacity of the cooperative. However, soybeans must be limited to a maximum of 150 hectares. On the other hand, the profits for each hectare of crop obtained are estimated at: $7,500 for corn, $8,500 for soybeans and $8,000 for wheat. The objectives are to determine: โข How many hectares of each crop must be allocated so that the profit is maximum. R= โข The estimated profits for the ejidal cooperative in the next growing season. R=
We plan to test whether the mean mRNA expression level differs between two strains of yeast, for each of 8,000 genes. We will measure the expression levels of each gene, in n samples of strain 1 and m samples of strain 2. We plan to compute a P-value for each gene, using an unpaired two-sample t-test for each gene (the particular type of test does not matter). a) What are the null hypotheses in these tests (in words)? [2] b) If, in fact, the two strains are identical, how many of these tests do we expect to produce a P-value exceeding 1/4? [2]
Find sup { xโR, xยฒ+3<4x }. Justify the answer
Log0
Gender and communication : Answer the question ( 1 paragraph is ok) . Please can you write about women? Compared to your other identities, how much of a role does gender play in your life? And has your own sex/gender offered you privileges or disadvantages? How so?
Evaluate ab+dc if a=56 , b=โ34 , c=0.4 , and d=12 . Write in simplest form.
If the mean of the following numbers is 17, find the c value. Produce an algebraic solution. Guess and check is unacceptable. 12, 18, 21, c, 13
Solve the following 9x - 9 - 6x = 5 + 8x - 9
Sallyโs sales for last Sunday were $1,278. That was an increase of 6.5% over her sales for the previous Saturday. What were her sales for the previous Saturday?
The length of a rectangle is five more than its width. if the perimeter is 120, find both the length and the width.
Exercise The temperature T in degrees Celsius of a chemical reaction is given as a function of time t, expressed in minutes, by the function defined on ยฟ by: T (t )=(20 t +10)eโ0.5t. 1) What is the initial temperature? 2) Show that T' (t )=(โ10 t +15)eโ0 .5t. 3) Study the sign of T' (t ), then draw up the table of variations of T . We do not ask for the limit of T in +โ. 4) What is the maximum temperature reached by the reaction chemical. We will give an approximate value to within 10โ2. 5) After how long does the temperature T go back down to its initial value? We will give an approximate value of this time in minutes and seconds. DM 2: study of a function Exercise The temperature T in degrees Celsius of a chemical reaction is given as a function of time t, expressed in minutes, by the function defined on ยฟ by: T (t )=(20 t +10)eโ0.5t. 1) What is the initial temperature? 2) Show that T' (t )=(โ10 t +15)eโ0.5 t. 3) Study the sign of T' (t ), then draw up the table of variations of T . We do not ask for the limit of T in +โ. 4) What is the maximum temperature reached by the reaction chemical. We will give an approximate value to within 10โ2. 5) After how long does the temperature T go back down to its initial value? We will give an approximate value of this time in minutes and seconds.