Seudónimo Seudónimo

10-11-2016
Mathematics

contestada

break apart the addends to find the sum 18+21

Respuesta :

Аноним Аноним

10-11-2016

break 18 into 10 and 8 and 21 to 20 and 1 then add 10 + 20 = 30 and 8 + 1 = 9 lastly 30 plus 9 = 39

Answer Link

Otras preguntas

Calculate the mass of magnesium oxide formed when 3.0 grams of magnesium reacts with excess oxygen.

Write an informal letter giving news. (About family life)

The football team has a total of 50 jerseys. There are 20 medium-sized Jerseys. What percent of the jerseys are medium-sized jerseys?

Find f '(−3), if f(x) = (2x^2 − 7x)(−x^2 − 7). Round your answer to the nearest integer. Use the hyphen symbol, -, for negative values.

Which part of the plant contains the most cells specialized for photosynthesis?

Which was a strength of Georgia’s Constitution of 1777? a. The governor served a one year term. b. The legislative branch was unicameral. c. There were th

The number of tickets sold at the amazing art museum on Saturday was 175% of the ticket sales on Friday if 2000 tickets were sold on Friday how many tickets wer

Dissolving 16 g of urea (MW= 60 g/mol) in 39 g of water produces 42.3 ml of solution. Determine the molarity of this solution

A person is working at a constant rate. If he produces 15 details in 8 hours, how long does he need to work to produce 18 details? Let t be the time he needs to

solve 4x^2 + 12x + 9 = 0 by factoring