Mathematics, 27.12.2021 09:10 samc7910

Erin tried to multiply 70 x 30 by decomposing 70 and 30 into multiples of 10. Her work is below. A-Step 1
B-Step2
C-Step3
D-Step4
E-Erin did not make a mistakes.

Erin tried to multiply 70 x 30 by decomposing 70 and 30 into multiples of 10. Her work is below.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:20, animegirl02

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Answers: 1

continue

Mathematics, 21.06.2019 22:30, CatelynBGray

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%

Answers: 1

continue

Mathematics, 21.06.2019 23:30, xelynncaldera

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Answers: 1

continue

Mathematics, 22.06.2019 00:30, lazybridplayer

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

Answers: 1

continue

You know the right answer?

Erin tried to multiply 70 x 30 by decomposing 70 and 30 into multiples of 10. Her work is below. A...