Mathematics, 09.12.2020 22:30, shawntawright1

Chuy tried to determine the solution for the system of equations using substitution. His work is shown below. x – y = 7 3x – 2y = 8 Step 1: x = y + 7 Step 2: 3(y + 7) – 2y = 8 Step 3: 3y + 7 – 2y = 8 Step 4: y + 7 = 8 Step 5: y = 1 In which step did Chuy make the first error?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, DJEMPGYT

Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Answers: 2

continue

Mathematics, 21.06.2019 17:30, Vampfox

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Answers: 1

continue

Mathematics, 21.06.2019 19:30, alanaruth3389

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

Answers: 2

continue

Mathematics, 21.06.2019 23:00, thebrain1345

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

Answers: 1

continue

Do you know the correct answer?

Chuy tried to determine the solution for the system of equations using substitution. His work is sho...