7th Grade Math Questions and Math Answers

7th Grade Math questions posted by students and math answers posted by experienced online math tutors.

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Rewrite -625*81 in exponential form... 06/19/2020 08:08 Answered By: Melinda
Luke bought a pair of socks, a pair of pants and a jacket. The jacket cost four times as much as the pants and the socks cost $7. Luke spent a total o... 05/21/2020 20:32
30 + 4x + 70 = 180 ... 05/21/2020 14:01 Answered By: Kaitlyn
Ben deposited $1,200 in a certificate of deposit (CD) at an interest rate of 5.5%. He earned $198 in simple interest. How long was his money invested ... 05/20/2020 23:44
What is 13 squared 169 or 13 x 13 because my teacher marked this one wrong for me and i picked 169.... 05/18/2020 15:13 Answered By: Kaitlyn
X : -4 + x/5 = 5... 05/17/2020 17:54
Who received the best grade? (Percentage) Mark who got 23/30 Joey who got 53/70 Bob who got 7/11 Bobby-Joe who got 42/60... 05/15/2020 19:06
Use the spinner to answer questions . you spin the spinner twice. Spinner has 6 spaces Find the probability of the event. Spinning a 3 and then a 4.... 05/14/2020 19:31
Johnny wants to buy a lottery ticket, so he decides on the ones that give him a 1 in 3 chance of winning! If Johnny buys 15 lottery tickets, how many... 05/14/2020 18:49
Surface Area Study Guide 1 point A rectangular prism has a base that is 6 meters by 3.5 meters, and the prism is 9 meters high. What is the surface... 05/14/2020 01:25
6s-9+4s... 05/13/2020 20:37 Answered By: Sandy
X/9 = -3... 05/13/2020 17:02
Simplify 5(a+3b)... 05/08/2020 21:24 Answered By: Steven
10x-5=3(5x-2)... 05/06/2020 15:40 Answered By: Steven
Maria’s monthly income is $2,000. The table displays the different categories in Maria’s monthly budget and the amount of money she spends in eac... 05/05/2020 23:50
At school, 12 out of the last 20 students that walked into the building were girls. What is the experimental probability that the next student will b... 05/05/2020 20:34
14????, 0.211, 12, 0.208........, -11, 9 ... 05/05/2020 19:27
Suppose you are asked to pick 3 numbers from 1 to 20 to win a prize. What is the probability that one of the numbers you will pick is the winning numb... 05/05/2020 18:09
A child has a box full of colored building blocks. If he chooses one block without looking, the probability of choosing a green block is 6/17 . What a... 05/03/2020 02:50
8 workers dug 3/8 of a tunnel in 10 days. If the need to finish the remaining 5/8 of the tunnel in 3 1/3 days, how many more workers must they hire?... 05/02/2020 20:56

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