donnafranks2003
donnafranks2003 donnafranks2003
  • 18-10-2019
  • Mathematics
contestada

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

Respuesta :

jujudime
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

A boxer punches a sheet of paper in mid air, and brings it from rest up to a speed of 25 m/s in 0.05 s. if the mass of the paper is 0.005 kg, what force does th
Simplify 2^(1/2) * 32^(1/2)
A package of 10 cans of soup costs $14. An individual can costs $2. You need at least 25 cans.You decide to buy 3 packages of 10 cans. How much do you pay for e
HERMIONE GRANGER PLS HELP ME WITH A-C CORRECT ANSWERS PLS THANK U SO MUCH!!!
24÷4 4×4 What is the meaning of the unknown factor and quotient
Nicole compares two printing plans for business cards. Which equation gives the correct value of n, the number of business cards, for which Plans A and B cost t
1/6d+2/3=1/4(d-2) please help solve
During his field observations of the local yahoos, gulliver purports that they are unable to:
Dimitri is buying a car. He chooses Option 1 to add a new sound system to his car. What integer represents the change from the base price of the car to its fina
As an electronics technician, Ellen Bero earns $14.92 per hour. She earns double time for work on Sundays. Last week she worked 38 regular hours plus 5 hours on