MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
a b c 57 b a 6 d 3 4a d b c
Question
{a+b+c=57 {b-a=6 {d=3/4a {d+b =c
Like
159
likes
794
views
Answer to a math question {a+b+c=57 {b-a=6 {d=3/4a {d+b =c
Sigrid
4.5
120
Answers
a=12, b=18, c=27, d=9.
Frequently asked questions (FAQs)
Math question: "Simplify the expression 2x(3x + 5) - 4(2 - x) using the distributive property."
+
What is the product of (7^3 β 9^-2) raised to the power of 4?
+
Math question: What is the limit of (sqrt(x^2 + 4x + 4) - (x + 2)) / (x + 1) as x approaches -1?
+
New questions in Mathematics
Let f(x)=||x|β6|+|15β|x|| . Then f(6)+f(15) is equal to:
A normally distributed population has a mean of 118 with a standard deviation of 18. What score separates the lowest 72% of the distribution from the rest of the scores?
Use the digits of 1,9,2,3 to come up with all the numbers 98 and 95
Let X be a discrete random variable with range {1, 3, 5} and whose probability function is f(x) = P(X = x). If it is known that P(X = 1) = 0.1 and P(X = 3) = 0.3. What is the value of P(X = 5)?
The derivative of a power is obtained just by subtracting 1 from the power True or false
Supposed 60% of the register voters in a country or democrat. If a sample of 793 voters is selected, what is the probability that the sample proportion of Democrats will be greater than 64% round your answer to four decimal places
The cost of unleaded gasoline in the Bay Area once followed an unknown distribution with a mean of $4.59 and a standard deviation of $0.10. Sixteen gas stations from the Bay Area are randomly chosen. We are interested in the average cost of gasoline for the 16 gas stations. 84. Find the probability that the average price for 30 gas stations is less than $4.55. a 0.6554 b 0.3446 c 0.0142 d 0.9858 e 0
1. A pediatric client is prescribed digoxin for congestive heart failure. The dose prescribed is 40 mcg/kg twice daily. The child weighs 33 pounds. What is the dosage in mg to be given per dose? Round to the nearest hundredth. Calculate your answer in mg per dose. Enter numerical value only.____mg
TEST 123123+123123
A loan is repaid with payments of $2226 made at the end of each month for 12 years. If interest on the loan is 5.2%, compounded semi-annually, what is the initial value of the loan? Enter to the nearest cent (two decimals). Do not use $ signs or commas.
Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.
Find the zero of the linear function 8x + 24 = 0
2x-5-x+2=5x-11
How many cards do you expect to pull from a poker deck until you get an ACE?
A property sold for $745,000 in a co-brokered transaction. The seller has agreed to pay a 7% commission to the listing firm. The listing firm has agreed to equally split the commission with the selling firm. If the buyerβs broker will receive 8% of the selling firmβs commission, how much commission will the buyerβs broker receive? $14,900 $3725 $$37250 $18625
00 piece jigsaw puzzle. the completed puzzle is 10x10. each piech connects to at least 2 other pieces. i plan to assemble by taking pieces out of box one by one. if i've already taken out 2 pieces that dont directly connect, what is the minimum number of additional pieces that i need to draw to in order to guarentee that the original 2 pieces connect?
Given two lines πΏ1: π₯ + 4π¦ = β10 and πΏ2: 2π₯ β π¦ = 7. i. Find the intersection point of πΏ1 and πΏ2.
X^3 - x^2 - 4 = 0, what are the values of x?
g(x)=3(x+8). What is the value of g(12)
t+72/t=-17
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
calculate the derivative by the limit definition: f(x) = 6x^3 + 2
-x+3x-2,si x=3
10! - 8! =
A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points?
Use the elimination to find the solution to each linear system. X+y=43 2x-y=20
A, B, C and D are numbers; If ABCD = 23, What is the result of ABCD BCDA CDAB DABC operation?
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?
(-5/6)-(-5/4)
solve for x 50x+ 120 (176-x)= 17340
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.
Let A, B, C and D be sets such that | A| = |C| and |B| = |D|. Prove that |A Γ B| = |C Γ D|
Convert 9/13 to a percent
Let v be the set of all ordered pairs of real numbers and consider the scalar addition and multiplication operations defined by: u+v=(x,y)+(s,t)=(x+s+1,y+t -two) au=a.(x,y)=(ax+a-1,ay-2a+2) It is known that this set with the operations defined above is a vector space. A) calculate u+v is au for u=(-2,3),v=(1,-2) and a=2 B) show that (0,0) #0 Suggestion find a vector W such that u+w=u C) who is the vector -u D) show that axiom A4 holds:-u+u=0
(2m+3)(4m+3)=0
In a company dedicated to packaging beer in 750 mL containers, a normal distribution is handled in its packaging process, which registers an average of 745 mL and a standard deviation of 8 mL. Determine: a) The probability that a randomly selected container exceeds 765 mL of beer b) The probability that the beer content of a randomly selected container is between 735 and 755 mL.
List five numbers that belong to the 5 (mod 6) numbers. Alternate phrasing, list five numbers that satisfy equation x = 5 (mod 6)
00 piece jigsaw puzzle. the completed puzzle is 10x10. each piech connects to at least 2 other pieces. i plan to assemble by taking pieces out of box one by one. if i've already taken out 2 pieces that dont directly connect, what is the minimum number of additional pieces that i need to draw to in order to guarentee that the original 2 pieces connect?
7- A printing company found in its investigations that there were an average of 6 errors in 150-page prints. Based on this information, what is the probability of there being 48 errors in a 1200-page job?
2+2020202
Triangle ABC has AB=AC and angle BAC =X, with X being less than 60 degrees. Point D lies on AB such that CB = CD Point E lies on AC such that CE= DE Determine angle DEC in terms of X