Mathematics, 13.08.2019 03:30, hollisjune3047

Working alone, it would take shandra 40 minutes to sand a table. to sand the same table, also working alone, it would take
kelly 1 hour. if they work together, the situation can be modeled by the following equation, where t is the time it would take to
sand the table working together.
1/40+1/60=1/t
shandra claims it will take them about 50 minutes working together, because 50 is the mean of 40 and 60. which best
describes shandra's claim?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:00, hannahmckain

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Answers: 1

continue

Mathematics, 21.06.2019 22:30, NearNoodle23

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Answers: 1

continue

Mathematics, 22.06.2019 00:00, nane718

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide? original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Answers: 1

continue

Mathematics, 22.06.2019 02:30, djohnson11461

Given: lkm jkm, clmk prove: alkmajkm jmk. choose the word that completes the sentence correctly. proof: lkm jkm and lmk * umk are given. km km by the property of congruence. equivalence symmetric reflexive transitive

Answers: 1

continue

Do you know the correct answer?

Working alone, it would take shandra 40 minutes to sand a table. to sand the same table, also workin...