Mathematics, 26.05.2020 23:02 sophiateaches053

Manny finds a box of 350 postcards. He selects a random sample of 75 postcards and finds that 27 already have stamp on them. Predict the total number of postcard in the box with stamps on them

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 22:00, victordguerrero2535

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Answers: 1

continue

Mathematics, 21.06.2019 23:30, aherrerasmile1

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Answers: 1

continue

Mathematics, 22.06.2019 00:00, valenciadewalt25

As a salesperson you get $50/day and $3.60/each sales you make. if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.

Answers: 1

continue

Mathematics, 22.06.2019 00:10, Evycin

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

Answers: 1

continue

You know the right answer?

Manny finds a box of 350 postcards. He selects a random sample of 75 postcards and finds that 27 alr...