$MathMaster logo$

MathMaster

Home
general
sum of 7a 4b 5c 7a 4b 6c

Question

sum of 7a-4b+5c, -7a+4b-6c

168

likes

841 views

Answer to a math question sum of 7a-4b+5c, -7a+4b-6c

$Expert avatar$

4.5

110 Answers

$=7a-4b+5c-7a+4b-6c$

$=7a-7a-4b+4b+5c-6c$

$=-4b+4b+5c-6c$

$=5c-6c$

$=-c$

Frequently asked questions (FAQs)

What is the volume of a cylinder with radius 4 cm and height 10 cm?

+

What is the measure of an angle formed by intersecting lines if two adjacent angles are 80° and 110°?

+

What is the volume of a cube with side length 3?

+

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

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

Express the following numbers in decimal system, where the subscript indicates the base: 110101 (SUBINDEX=2)

2x-4y=-6; -4y+4y=-8

Analyze the following situation Juan is starting a new business, he indicates that the price of his product corresponds to p=6000−4x , where x represent the number of tons produced and sold and p It is given in dollars. According to the previous information, what is the maximum income that Juan can obtain with his new product?

5.- From the probabilities: 𝐏(𝐁) = 𝟑𝟎% 𝐏(𝐀 ∩ 𝐁) = 𝟐𝟎% 𝐏(𝐀 ̅) = 𝟕𝟎% You are asked to calculate: 𝐏(𝐀 ∪ 𝐁)

solve for x 50x+ 120 (176-x)= 17340

reduce the expression (7.5x 12)÷0.3

Show this compound proposition to be true or false. Paris is the capital of England or Rome is the capital of Italy

Your grandfather has run a small high street pharmacy for 40 years. After much persuasion, he has agreed to open a digital store online. List 5 potential ways to improve sales and/or margins by having a digital pharmacy through the utilisation of historic or new sales data.

Sections of steel tube having an inside diameter of 9 inches, are filled with concrete to support the main floor girder in a building. If these posts are 12 feet long and there are 18 of them, how many cubic yards of concrete are required for the job?

16.What payment (deposit) made at the end of each month will accumulate to $10473 in 13 years at 7.9% compounded monthly? Enter to the nearest cent (two decimals). Do not use $ signs or commas in the answer.

Nancy is a waitress at Seventh Heaven Hamburgers. She wants to estimate the average amount each table leaves for a tip. A random sample of 5 groups was taken and the amount they left for a tip (in dollars) is listed below: $11.00 $8.00 $6.00 $3.00 $7.00 a.) Find a 90% confidence interval for the average amount left by all groups. (*round to the nearest cent*) $ < μ < $ b.) If the sample size were larger, with everything else remaining the same, would the margin of Error increase or decrease? Decrease Increase c.) If the Confidence level were 95% instead of 90%, would the range (size) of the Confidence Interval be larger or smaller? Larger Smaller

In poker, a full house consists of five cards, where two of the cards have the same number (or letter) and the remaining three also have the same number (or letter) as each other (but not as the previous two cards). Use a search engine or Wikipedia to understand the concept better if necessary. In how many different ways can one obtain a full house?

(6²-14)÷11•(-3)

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?

a coffee shop has 9 types of creamer and 11 types of sweetener. In how any ways can a person make their coffee?

Construct a set of six pieces of data with mean, median, and midrange of 67 and where no two pieces of data are the same.