lillliem04 lillliem04

15-06-2020
Mathematics

contestada

What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?

Respuesta :

mhanifa mhanifa

15-06-2020

Answer:

15

Step-by-step explanation:

5a-10b=45, b=3

5a-10*3=45
5a= 45+30
5a= 75
a= 75/5
a=15

Answer Link

evegonzsles3 evegonzsles3

15-06-2020

Answer:

the value of a=15

Step-by-step explanation:

5a-10b=45

5a-10(3)=45

5a-30=45

+30 +30

5a/5 = 75/5

a=15

Answer Link

Otras preguntas

Why society might initially reject a new scientific theory?

In a group of 50 patrons, 12 patrons like lattes and espressos, 9 patrons like espressos and cappuccinos, 8 patrons like lattes and cappuccinos, and 4 patrons l

Which resumé would best highlight a person's strong work history? a. chronological b. functional c. hybrid

What did President Lincoln risk if he chose not to resupply Fort Sumter?

What role did crop rotation play in the Agricultural Revolution?

Find the geometric mean between 7 & 11. Select one: a. 4√6 or appx. 9.8 b. 170/18 or appx 9.4 c. √77 or appx. 8.8 d. 9

The atomic number of an element is the same as its _________________. a. neutrons b. mass c. reactivity d. protons

If z = a - bi, which of the following must be true of the imaginary part of the complex conjugate of z? a. It must be the opposite of -bi. b. It must be the o

What is the third quartile of the following data set? 24, 20, 35, 39, 28, 42, 25, 29, 44, 21, 37? a. 37 b. 35 c. 29 d. 39

A plant is starting to fall over because the plant can no longer support its own weight. Students want to find out why this is happening. Which of the following