sicaria0407 sicaria0407

11-09-2020
Mathematics

contestada

Dos veces la edad de Mary más 7 es igual a 33. ¿Cuál es la
edad de Mary?

Respuesta :

zarampa zarampa

12-09-2020

Answer:

La edad de Mary es:

13 años

Step-by-step explanation:

Planteamiento:

2m + 7 = 33

m = edad de Mary

Desarrollo:

2m = 33 - 7

2m = 26

m = 26/2

m = 13

Comprobación:

2*13 + 7 = 33

26 + 7 = 33

Answer Link

Otras preguntas

Why was Charles Darwin considered to be a revolutionary?

I Am A Number That Is Double The Product Of 2 And 7. One Of My Factors Is 7 What Is My Other factor

List four methods that can be used to separate mixtures and give an example of each method?

Which statement is always true about a trapezoid?1.it has 2 congruent sides.2. It has 2 right angles3. It has no congruent angles4. It has exactly 2 parallel si

How many quarts are in 2 and 3/4 of a gallon

Explain the transition from the Roman society to medieval society. Politically, Socially, Religiously, and economically. How did this thing change Rome to a med

what is 33 1/2 of 24 and 37 1/2 of 80 and finally, what is 66 2/3 of 45

Why was Charles Darwin considered to be a revolutionary?

Which of the following prefixes is best for measuring large quantities like the mass of a person? milli kilo deci deca

Why was Charles Darwin considered to be a revolutionary?