Mathematics, 27.06.2019 14:00 sjjarvis4806

Pls with in which line is a mistake first made when solving the following system of equations by substitution? 2x - y =-4 3x + y = -9line 1: 2x -y = -4y= 3x-9line 2: 2x-(3x-9)=-4 line 3: 2x-3x+9=-4line 4: -1x + 9 = -4line 5: -1x = -13line 6: x = 13

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 20:00

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left

Answers: 1

Answer

Mathematics, 21.06.2019 21:30

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

Answers: 1

Answer

Mathematics, 21.06.2019 22:00

If i had 1234 apples and 1 banana what is the total amount

Answers: 2

Answer

You know the right answer?

Pls with in which line is a mistake first made when solving the following system of equations by su...

Questions

Engineering, 07.08.2019 17:10

What composition of lead-tin solder is the best choice for joining electronic components? why is this composition chosen?...

Engineering, 07.08.2019 17:10

Describe 2 types of energy analysis used in heat exchangers analysis?...

Engineering, 07.08.2019 17:10

Steel grade aisi 1045 contains 4.5% carbon. a)-true b)- false...

Engineering, 07.08.2019 17:10

Calculate the elastic strain in a polycrystalline aluminum alloy when it is pulled in tension given that the young's modulus of the alloy is 80 gpa wh...

Engineering, 07.08.2019 17:10

Critical resolved shear stress (crss) is a property of material, which indicates the minimum amount of shear stress needed to initiate slip (permanent...

Mathematics, 07.08.2019 17:10

The average birth weight of elephants is 220220 pounds. assume that the distribution of birth weights is normal with a standard deviation of 6060 poun...

Social Studies, 07.08.2019 17:10

By definition, are inflexible, maladaptive patterns of thoughts, emotions, behavior, and interpersonal functioning that are stable over time and acro...

Engineering, 07.08.2019 17:10

Acylindrical chimney 0.9 m in diameter and 22.5 m high is exposed to a 56 km/hr wind. estimate the bending moment at the bottom of the chimney. neglec...

English, 07.08.2019 17:10

Plan a get together party to be held at your place. ▪ make a list of things you will require using determiners. o ex. i called up all my friends for t...

Engineering, 07.08.2019 17:10

Et engine turbine blades are usually made from single crystals of nickel supperalloys. explain citing the conditions of temperature and load?...

Engineering, 07.08.2019 17:10

In compressible flows, static temperature is meant by: a. the temperature that stay constant at all time b. the temperature measured when the fluid v...

Engineering, 07.08.2019 17:10

How does the microstructure in predicting the mechanical properties of an alloy system? what are the different ways to tune the microstructure and h...

Engineering, 07.08.2019 17:10

What is fouling on surfaces in heat exchangers, and describe how to determine the overall heat transfer coefficient for a heat exchanger?...

Engineering, 07.08.2019 17:10

Low carbon steel is safe to use up to a service temperature of 600 °c. a)-true b)- false...

Engineering, 07.08.2019 17:10

It is important for a snowboard to have a smooth surface underneath and to not get too scratched. what mechanical property would you suggest i look up...

Engineering, 07.08.2019 17:10

Fcc crystal structure is more densely packed than the bcc structure. a)-true b)- false...

Physics, 07.08.2019 17:10

The energy exchanges between space , the atmosphere , and earths surface produce?...

Engineering, 07.08.2019 17:10

Cup and cone failure could be obtained in tension testing of a cured cement bar. a)-true b)- false...

Business, 07.08.2019 17:10

Suppose you invest $50 a month for 5 years into an account earning 8% compounded monthly. after 5 years you leave the noney without making additional...

Physics, 07.08.2019 17:20

A60 kg runner in a sprint moves at 11 m/s. a 60 kg cheetah in a sprint moves at 33 m/s. by what factor does the kinetic energy of the cheetah exceed t...

More questions: Mathematics Another questions