MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
solve for u 2u 3 13
Question
Solve for u. 2u+3=13
Like
218
likes
1089
views
Answer to a math question Solve for u. 2u+3=13
Corbin
4.6
108
Answers
Subtract
$3$
from both sides.
2u=13-3
Subtract
$3$
from
$13$
to get
$10$
.
2u=10
Divide both sides by
$2$
.
u=\frac{10}{2}
Divide
$10$
by
$2$
to get
$5$
.
u=5
Frequently asked questions (FAQs)
What is 40% as a decimal?
+
What is 75% as a fraction in its simplest form?
+
Math question: Determine the x-value(s) at which the reciprocal/rational function f(x) = 1/x intersects the coordinate plane. What are these points?
+
New questions in Mathematics
a runner wants to build endurance by running 9 mph for 20 min. How far will the runner travel in that time period?
Let f(x)=||x|β6|+|15β|x|| . Then f(6)+f(15) is equal to:
The gross domestic product the gdp for the United States in 2017 was approximately $2.05x10^3. If you wrote this number in standard notation , it would be 205 followed by how many zeros
In a random sample of 600 families in the Metropolitan Region that have cable television service, it is found that 460 are subscribed to the Soccer Channel (CDF). How large a sample is required to be if we want to be 95% confident that the estimate of βpβ is within 0.03?
X^2 = 25
An electrical company manufactures batteries that have a duration that is distributed approximately normally, with a mean of 700 hours and a standard deviation of 40 hours. Find the probability that a randomly selected battery has an average life of less than 810 hours.
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
how many arrangements can be made of 4 letters chosen from the letters of the world ABSOLUTE in which the S and U appear together
What is the appropriate measurement for the weight of an African elephant?
The function h(t)=-5t^2+20t+60 models the height in meters of a ball t seconds after itβs thrown . Which describe the intercepts and vertex of this function
A Smooth Plane is listed for $195.00. Discounts of 12% and 10% are allowed. If the customer pays cash within 30 days, an additional discount of 3% is granted. What is the cost if a carpenter takes advantage of all the discounts offered?
You want to study incomes in a large city. You take a simple random sample of 5012 households and find that the distribution of household incomes is skewed right. If you calculate the mean of the 5012 household incomes will the distribution of mean scores be skewed right as well? Hint: this involves the Central Limit Theorem.
Find the complement and supplement angles of 73
For what values of m is point P (m, 1 - 2m) in the 2β° quadrant?
(6Β²-14)Γ·11β’(-3)
A 20,000 kg school bus is moving at 30 km per hour on a straight road. At that moment, it applies the brakes until it comes to a complete stop after 15 seconds. Calculate the acceleration and the force acting on the body.
The average weekly earnings in the leisure and hospitality industry group for a reβ cent year was $273. A random sample of 40 workers showed weekly average earβ nings of $285 with the population standard deviation equal to 58. At the 0.05 level of significance can it be concluded that the mean differs from $273? Find a 95% conβ fidence interval for the weekly earnings and show that it supports the results of the hypothesis test.
The following incoming payments show up at a tax inspection: 25 000β¬ on 19.01.2008, 140 000β¬ on 27.03.2008 and 19 000β¬ on a date that which is illegible, and 60 000β¬ on 15.06.2008. On which date did the payment of the 19 000β¬ appear, if on 30.06.2008 the money on the account (incl. interest at 4%) is 246 088.89β¬? Use simple interest and 30E/360 DCC. Solution: 45 days, 15.05.08
calculate the product of 4 and 1/8
If the area of a circle is 75.7ft2, what is the radius? Give the answer in metres. Round answer to 2 decimal places and enter the units.
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
A=m/2-t isolate t
Find the measures of the sides of βKPL and classify each triangle by its sides k (-2,-6), p (-4,0), l (3,-1)
4X^2 25
4x-3y=5;x+2y=4
If f(x,y)=6xy^2+3y^3 find (β«3,-2) f(x,y)dx.
The equation of the straight line that passes through the coordinate point (2,5) and is parallel to the straight line with equation x 2y 9 = 0 is
find x in the equation 2x-4=6
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
determine the polynomial F of degree 2 that interpolates. f at points (0;1) (2;5) (4;6). calculate F(0.8). Note: Using the polynomial expression with difference operator.
show step by step simplification: (Β¬πβ¨((Β¬bβ§c)β¨(bβ§Β¬c)))β§((π β§ π) β¨ (Β¬π β§ Β¬π))β§(Β¬πβ¨((Β¬πβ§π)β¨(πβ§Β¬π)))
Solve the following equation for x in exact form and then find the value to the nearest hundredths (make sure to show your work): 5e3x β 3 = 25
The function h(t)=-5t^2+20t+60 models the height in meters of a ball t seconds after itβs thrown . Which describe the intercepts and vertex of this function
Determine the increase of the function y=4xβ5 when the argument changes from x1=2 to x2=3
If the regression equation is given by 4x βy + 5 = 0, then the slope of regression line of y on x is
A popular cell phone family plan provides 1500 minutes. It charges 89.99/month for the first 2 lines and 9.99 for every line after that. Unlimited text messages for all phone lines costs $30.00/month, and Internet costs $10.00/month per phone line. If a family with a $200 monthly budget buys this plan and signs up for unlimited text messaging and Internet on each phone line, how many cell phone lines can they afford? Use an inequality to solve this problem. Graph your solution on the number line and explain the meaning of your graph in a sentence.
Find the zero of the linear function 8x + 24 = 0
The mean of 4 numbers is 5 and the mean of 3 different numbers is 12. What is the mean of the 7 numbers together? Produce an algebraic solution. Guess and check is acceptable.
A rectangular swimming pool has a length of 14 feet, a width of 26 feet and a depth of 5 feet. Round answers to the nearest hundredth as needed. (a) How many cubic feet of water can the pool hold? cubic feet (b) The manufacturer suggests filling the pool to 95% capacity. How many cubic feet of water is this? cubic feet
97,210 β 82 division
Find the number of liters of water needed to reduce 9 liters of lotion. shave containing 50% alcohol to a lotion containing 30% alcohol.