jshdsajfhkfhdk jshdsajfhkfhdk
  • 01-04-2021
  • Mathematics
contestada

calculate
4x^2+6x-9 if x=3
3y+7(2y-5) if y=4

Respuesta :

mlkcloud
mlkcloud mlkcloud
  • 01-04-2021

Answer:

1. 45

2. 33

Explanation:

1. 4x² + 6x - 9

= 4(9) + 18 - 9

= 36 + 18 - 9

= 45

2. 3y + 7(2y - 5)

= 12 + 7(8 - 5)

= 12 + 56 - 35

= 33

i hope this helps! :D

Answer Link
25leeelisa
25leeelisa 25leeelisa
  • 01-04-2021

Answer:

45

33

Step-by-step explanation:

4(3)^2+6(3)-9= 36+18-9= 45

3(4)+7(2*4-5)= 12+7(8-5)= 12+7(3)= 33

Answer Link

Otras preguntas

Which best states how major works produced during the High Renaissance, such as Mona Lisa, affected European culture?
Your position in relation to the animal’s _________________ determines which way the animal will move. A. Flight Zone B. Point of Balance C. Blind Spot
Please help ASAPPPPP
Antonia and her housekeeper visit a —— why _____ in man of La Mancha
You have a coupon good for $6 off the price of any large pizza. You also get a 20% discount on any pizza if you show your student ID. How much more would you pa
what of the slope of the line x=3
Lines 66-101 why might king have taken the time so early in the letter to delve into such minute detail about taken an recent events in Birmingham
can some one help pls
Help me and explain / gimme answers to number one
Please helpWhich feature does NOT result form seismic activity? A. glacial deposits B. volcanoes C. rock layers D. faults