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

which best describes a graph of a two-year-old child's height over the course of a year?
The Rainbow Five scenario designed by the US military focused the majority of the war effort of
When you see average rate of change what should you automatically think of
I NEED HELP Quadratics and Their Solutions
Conjugate the verb correctly in the past tense Marcos y yo dormirse
I was disappointed in the answers of my last question. Here's another, What are the very short-legged cat breed called. The winner will get 5 stars and a thanks
The area of a trapezoid is 60 square feet. If the bases of the trapezoid are 8 feet and 12 feet, what is the height? O 6 ft O 4A O 3 ft O 15 ft​
Fill in the boxes with values that make the statement true.
Three resistors of 100, 40.0, and 10.0 Ohms are in series with a 24.0 V power supply. What is the current in the circuit?
You are evaluating a proposed expansion of an existing subsidiary located in Switzerland. The cost of the expansion would be SF 14 million. The cash flows from