shadricka61 shadricka61
  • 18-11-2018
  • Mathematics
contestada

please help 100 points

please help 100 points class=

Respuesta :

DaveedSaysHI DaveedSaysHI
  • 18-11-2018

Here's a trick.

Don't solve all the equations, you're given the answer to x so just substitute.

5/2*8+7/2=3/4*8+14

23.5=20 INCORRECT

5/4*8-9=3/2*8-21

1=-9 INCORRECT

5/4*8-2=3/2*8-4 <- YOUR ANSWER

8=8 CORRECT

Answer Link
rb5994
rb5994 rb5994
  • 21-02-2019

Don't solve all the equations, you're given the answer to x so just substitute.

5/2*8+7/2=3/4*8+14

23.5=20 INCORRECT

5/4*8-9=3/2*8-21

1=-9 INCORRECT

5/4*8-2=3/2*8-4 <- YOUR ANSWER

8=8 CORRECT

Click the thanks button to let me how helpful is it

sincerely,

rb5994

:D

:D

:D

:D

Answer Link

Otras preguntas

use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. Note: It is not necessary to
Find the value of:[tex] 27x^{3}+8 y^{3} [/tex] if 3x+2y = 20 and xy = [tex] \frac{14}{9} [/tex]
what is difference between kilowatt and kilowatt hour?
Need the values IN FRACTIONS (no mixed numbers or decimals)1. -1/2^12. -1/2^23. -1/2^34. -1/2^45. -1/2^5
spread of democracy in last 15 years
solve for t d=(1/2) at^2
solve for t d=(1/2) at^2
how can the boiling point of a liquid be raised without adding soluble impurity?
-6(a+8) how do I simplify ?
the sum of Marys age and her moms age is 67.  Three times Marys age increased by 7 is her moms age.  How old is Mary and her mother