donnafranks2003 donnafranks2003

18-10-2019
Mathematics

contestada

use parentheses to make each number sentence true 1+2×3+4=21

Respuesta :

jujudime jujudime

18-10-2019

(1+2)(3+4)
1+2=3
3+4=7
7•3=21
There is an invisible multiplication sign between the two parentheses :).

Answer Link

Otras preguntas

If a firm can only set its price so high for its product, then this is considered ________? 1) cost-plus regulation 2) breakeven regulation 3) price-cap regulat

(22) The stone was dated 196 BC. (23) That was the time when Greeks ruled Egypt.Which of the following combines sentences 22 and 23 without changing the meanin

How do statistics and probability theory fit into a forensic scientist laboratory setting?

A voltage of vL = 30sin( 120πt + 50 degrees) is applied to a 40 milli henry inductance. What is the impedance of the inductance? A. 15.08 ∠ 90 ∘ Ω b. 1.20 ∠ 5

What are three things someone would learn at an HIM Iowa State Conference for Compliance.

To calculate the grams of LiCl needed to react with 200.12g of Br2, first divide the mass of Br2 by its molar mass to find the number of moles of Br2. Use the s

If a woman with blood type AB marries a man with blood type O, which of the following blood types would their children possibly have? 1) A 2) B 3) AB 4) O

A student models the number of hours it takes to finish X percent of a video game by the function y = 80x/120-x,where X is between 0 and 100 percent.Based on th

You flip a coin 100 times and record the results, how many times would you expect the coin to land on tails?

A car moving at 16 m/s is brought to a stop in 8 seconds by applying the brakes. a) What is the acceleration of the car? b) How far does the car travel before i