$MathMaster logo$

MathMaster

Home
general
5y 9 y 7

Question

(5y 9)-(y 7)

105

likes

527 views

Answer to a math question (5y 9)-(y 7)

$Expert avatar$

4.4

92 Answers

4y+2

Frequently asked questions (FAQs)

Find the sum of the major and minor axis lengths of an ellipse with equation (x/3)^2 + (y/4)^2 = 1.

+

What is the domain and range of the tangent function f(x) = tan x?

+

What is the formula for finding the area of a regular polygon with n sides, each of length s?

+

New questions in Mathematics

Two fire lookouts are 12.5 km apart on a north-south line. The northern fire lookout sights a fire 20° south of East at the same time as the southern fire lookout spots it at 60° East of North. How far is the fire from the Southern lookout? Round your answer to the nearest tenth of a kilometer

The profit G of the company CHUNCHES SA is given by G(x) = 3×(40 – ×), where × is the quantity of items sold. Find the maximum profit.

In a normally distributed data set a mean of 31 where 95% of the data fall between 27.4 and 34.6, what would be the standard deviation of that data set?

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

how many arrangement can be made of 4 letters chosen from the 8 letters of the world ABBSOLUTE

A person borrows rm 1000 from a bank at an interest rate of 10%. After some time, he pays the bank rm 1900 as full and final settlement of the loan. Estimate the duration of his loan.

prove that if n odd integer then n^2+5 is even

7. Find the equation of the line passing through the points (−4,−2) 𝑎𝑛𝑑 (3,6), give the equation in the form 𝑎𝑥+𝑏𝑦+𝑐=0, where 𝑎,𝑏,𝑐 are whole numbers and 𝑎>0.

A researcher is interested in voting preferences on change of the governing constitution in a certain country controlled by two main parties A and B. A questionnaire was developed and sent to a random sample of voters. The cross tabs are as follows Favour Neutral Oppose Membership: Party A 70 90 85 Party B 50 50 155 Test at α = 0.05 whether party membership and voting preference are associated and state the conditions required for chi-square test results to be valid.

DuocUC 2) The cost C, in pesos, for the production of x meters of a certain fabric can be calculated through the function: (x+185) C(x)=81300-6x+ 20000 a) It is known that C(90) 5.344. Interpret this result. (2 points) b) Calculate C'(x) (2 points) 3 x²+111x-0.87 20000 2000 c) Function C calculates the cost while producing a maximum of 500 meters of fabric. Determine the values of x at which the cost of production is increasing and the values of x at which the cost is decreasing. (3 points) d) If a maximum of 500 meters of fabric are produced, what is the minimum production cost? (

From 1975 through 2020 the mean annual gain of the Dow Jones Industrial Average was 652. A random sample of 34 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume the standard deviation is 1539

Determine the increase of the function y=4x−5 when the argument changes from x1=2 to x2=3

The two sides of the triangle are 12 cm and 5 cm, and the angle between the sides is 60°. Cover the area of the triangle!

X~N(2.6,1.44). find the P(X<3.1)

Find the equation of a straight line that has slope 3 and passes through the point of (1, 7) . Write the equation of the line in general forms

solve R the following equation 4 x squared - 35 - 9 over x squared is equal to 0

The inner radius of a spherical ball is 13 cm. How many liters of air are in it? Justify your answer!

g(x)=3(x+8). What is the value of g(12)

Paola went on vacation for 15 days if it rained 20% of the days. How many days did it rain?

Slope (7,3) and (9,5)