aliadan0004
aliadan0004 aliadan0004
  • 13-01-2021
  • Mathematics
contestada

a=? if a+3:7+a and 4:5 are equal

Respuesta :

Adetunmbiadekunle Adetunmbiadekunle
  • 18-01-2021

Answer:

No they are not equal;

a = -13

Step-by-step explanation:

Here, we want to find the value of a

We are gong to use the ratio given

That will be;

a + 3/ 7 + a = 4/5

5(a + 3) = 4(7 + a)

15 + 3a = 28 + 4a

4a - 3a = 15-28

a = -13

Answer Link

Otras preguntas

The enthalpy of the water entering an actual pump is 500 kJ/kg and the enthalpy of the water leaving it is 550 kJ/kg. The pump has 98% efficiency, what would ha
Given the recipe: 2 cups flour+ 1 egg+3 oz blueberries 4 muffins. Assuming you have sufficient flour and blueberries, you can make 16 muffins from 3 eggs (T/F)
Prove that sin^2A/cos^2A + cos^2A/sin^2A = 1/cos^2A*sin^2A - 2
PLS HELP SHOW ALL YOUR WORKING OUT
What do you write for “Introduction” in a biology lab report?
Read and choose the correct definite article according to the number and gender of the noun that follows. Usted tiene ________ clases de ciencias en la tarde.
Last week, a coral reef grew 20.3 mm taller. How much did it grow in meters?
Which major processes were needed for the origin of life on Earth?
Find the LCM of 30,40 show work​
Which of the following is an equation of a line whose slope is 0? (1) y = 6 (2) x = 6 (3) y = 2x (4) x + y = 1 Please helpp!!! Stuckk