Mathematics, 03.07.2020 17:01, Easton777

Cara evaluated the expression below. StartFraction 4 (7 minus 13) over 3 EndFraction + (negative 4) squared minus 2 (6 minus 2) = StartFraction 28 minus 13 over 3 EndFraction + (negative 4) squared minus 2 (4) = StartFraction 15 over 3 EndFraction + 16 minus 18 = 5 + 16 minus 8 = 13.

What was Cara’s error?

Cara multiplied only 4 and 7 together and did not multiply 4 and 13.

Cara evaluated (Negative 4) squared incorrectly.

Cara subtracted 2 from 6 incorrectly.

Cara multiplied 2 and 4 incorrectly.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, stormhorn491

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Answers: 2

continue

Mathematics, 21.06.2019 18:00, keidyhernandezm

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Answers: 2

continue

Mathematics, 21.06.2019 18:30, maren17

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Answers: 3

continue

Mathematics, 21.06.2019 23:30, liaholmes8

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

Answers: 1

continue

Do you know the correct answer?

Cara evaluated the expression below. StartFraction 4 (7 minus 13) over 3 EndFraction + (negative 4)...