Moisolgrebmelalace Moisolgrebmelalace

Today at 1:20 PM
Mathematics

Answered

A student is trying to solve the system of two equations given below: Equation P: y + z = 4 Equation Q: 3y + 7z = 15 Which of the following steps can be used to eliminate the y term? A. –3(y + z = 4) B. 3(y + z = 4) C. –1(3y + 7z = 15) D. –3(3y + 7z = 15)

Answer :

apologiabiology apologiabiology

Today at 1:25 PM

look at them
P: 1y
Q: 3y
multiply first equation by -3 becuase 3y-3y=0
-3P
-3(y-z=4) is answer

A is answer

Answer Link

Other Questions

Professor Zander wants to know how loud a certain noise must be in order to be heard from a distance of 50 feet. This question involves the concept of .

For his research methods class, Felipe plans to watch how students treat other children in their classrooms who have attention-deficit/hyperactivity disorder (A

Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, these bones having developed from very similar embryonic

For his research methods class, Felipe plans to watch how students treat other children in their classrooms who have attention-deficit/hyperactivity disorder (A

Yankton Company began the year without an investment portfolio. During the year, it purchased investments classified as trading securities at a cost of $13,000.

he is so lazy that he can not shine in life ( make it simple sentece)

which method can control the objects movement

What is Simple pendulum?

Inlight of failure of saarc as a regional economic grouping do you think saarc minus pakistan is the way forward? Discuss upsc

what do you mean by acid

Sara has just graduated from college. She has determined that to purchase a home in 10 years she needs to accumulate $42,400 for a down payment. If Sara can ear

For a reaction that follows the general rate law, Rate = k[A][B]2, what will happen to the rate of reaction if the concentration of B is increased by a factor o

DNA replication 1. uses each strand of a DNA molecule as a template for the creation of a new strand. 2. begins when two DNA molecules join together to exchange

Before prorating the manufacturing overhead costs at the end of 2020, the Cost of Goods Sold and Finished Goods Inventory accounts had applied overhead costs of

Drake wants to save $750 so that he can take a class on computer analysis for cars. The class is being held on various dates over the next several months. Drake

Because nonindustrial economies can have features of both horticulture and agriculture, it is useful to discuss cultivators as being arranged along a cultivatio

Determine what type of observational study is described. Explain. A researcher wanted to determine whether there was any association between economic status and

At the start of every shift, Carl, a delivery truck driver, plans out his route based on the addresses that he will be visiting to drop off packages. This can b

. Kc = 2.19*10-10 @ 100 oC for the rxn: COCl2(g)  CO(g) + Cl2(g) the following mixtures may or may not be at equilibrium. Identify which mixtures are at equil

Barney and Marshall have been participating in outdoor activities. Barney has been hiking and doing Tai-Chi alone in the park. Marshall has been playing 3-on-3