Is 1.47 irrational or rational

A 30L tank contains 20L of a salt/water mixture with 4kg of salt. We begin pumping a mixture with. 08 kg/L concentration into the tank at 2 L/min Once the tank fills the mixture starts spilling over the top. Answer the following.

What is the approximate solution to this equation? x³ = 27.55

Erin received the following scores on her last four spelling tests. 2125, 82%, 0.8, 1720 2125, 82%, 0.8, 1720 Which of these is Erin's highest score?

Simplify the following polynomial expression. (514 - 9.33 + 71 - 1) + (-874 + 4x2 - 31 + 2) - (-413 + 51 - 1) (2x - 7) A 1114 - 2123 + 1412 + 33. - 8 B. 5.24 - 3713 - 612 + 411 - 8 C. 1114 - 2113 + 1412 + 332 - 6 D. 5.34 - 3713 - 612 + 411 - 6

The factor tree for 1,764 is shown. What is the simplest form of? 32 (72) 22 (32) (72) 21 42

The sum of two consecutive numbers is - 49 what are they

Yummy Cookies just opened a brand new cookie bakery, ans sales are increasing every month! In January, the baker made 14 carrot cake cookies. In February, the baker doubled the January order, took 5 cookies home to his family, and sold the rest.

What is the value of the expression 2 1/2 x + 3 2/3 y (if x = 4 and y = 2)

The claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). the sample statistics from one experiment include 480 480 peas with 127 127 of them having yellow pods. find the value of the test statistic.

90% of students at a university use a backpack, while the rest do not. Of all the students, 50% carry their laptops with them and 5% carry neither a backpack nor laptop. What percentage of students carry their laptops and use a backpack?