jurydaughter jurydaughter
  • 06-09-2019
  • Mathematics
contestada

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

3
15
21
39

Respuesta :

mhanifa
mhanifa mhanifa
  • 08-08-2020

Answer:

15

Step-by-step explanation:

Given:

  • 5a - 10b = 45
  • b = 3,

Finding the value of a, solving the equation, considering the value of b=3:

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

Correct choice is 15

Answer Link
maddierae2004 maddierae2004
  • 13-09-2020

Answer:

B. 15

Step-by-step explanation:

Answer Link

Otras preguntas

When is -2x^3-13x^2+8x+52 ≥ 0?
HELP!!!! I got 100 points for whoever answer
madison, the cpa, is faster than mason, the house painter, at both accounting services and painting. this means that
Noise cancelling headphones are a kind of headphones which decrease the amount of background noise that get into your ears when you wear them. On what physical
2 Select the correct answer from the drop-down menu. A school administrator bought 6 desk sets. Each set consists of one table and one chair. He paid $48.50 for
If i² = -1, then (i)(1 + 2)(2-3i)² = ?
what is the term that dr. katt coined to explain that a presentational aid should add to the presentation by further clarifying the speaker's message?
Nutritionists express energy in calories, which are in fact 1000 real calories. one real calorie is equivalent to 4.18 joules, the universal energy unit. thus,
Please help I don’t understand
graph this for free brain