najimadi najimadi
  • 18-03-2018
  • Mathematics
contestada

X=3 and y=15
twice the sum of a number x and 8

Respuesta :

kaygoode64
kaygoode64 kaygoode64
  • 18-03-2018
(x+8)*2
when you evaluate, you get 22
Answer Link
lintiffany lintiffany
  • 18-03-2018
The expression would be 2*(x+8)
Plugging 3 into x, you get 2*(3+8)
Parentheses first: (3+8)=11
2*11=22

Answer Link

Otras preguntas

Conjugate the verb estar and give an example for how to use it in a sentence
A right triangle has legs measuring 15 cm and 20 cm. The altitude of the hypotenuse is 12 cm, The triangle is reflected about its hypotenuse, forming a twodimen
PART 2:I need help please (u can explain it or just answer it, PLEASE)
Jaylon makes twice as much an hour as Sam. Sam makes x dollars an hour. Write an expression describing how much Jaylon makes an hour. A) 2x B) x2 C) 2 + x D)
Why is there a historical debate surrounding the Great Wall of China?
A train travels 225 km in 2.5 hours. What is the trains average speed
each course at college x is worth either 3 or 4 credits the members of the swim team are taking a total of 49 courses that are worth a total of 161 credits
A pet store currently has a total of 45 cats and dogs. There are 7 more cats than dogs. Determine the number of cats and dogs in the store. Write and solve a pa
What three parts make up an atom?
The hominids that are closest to modern human beings are called?