red123abc red123abc
  • 04-02-2020
  • Mathematics
contestada

What is 9+10?
A) 910
B) 21
C) 19
D) 90

Respuesta :

fatemehkorea
fatemehkorea fatemehkorea
  • 04-02-2020

Answer:

C) 19

Step-by-step explanation:

9+10 = 19

Answer Link
hart242
hart242 hart242
  • 04-02-2020

Answer:

B) 21

Step-by-step explanation:

Because 3×3=9 and 2×5=10

If you switch it, 3×2 and 3×5, that is equal to 6 and 15.

6+15=21

Answer Link

Otras preguntas

Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m
Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m
How many atoms are in 0.750 moles of zinc?
Alicia estimates that the surface area of a rectangular prism with a length of 11 meters,a width of 5.6 meters,and a height of 7.2 meters is about 334 cubic met
Find the value of x.  Round to nearest hundredth if necessary.
5x+4y+100 in slope intercept form
The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension
The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension
How many atoms are in 0.750 moles of zinc?
which seismic wave moves through earth at the fastest speed?