lacey18278 lacey18278
  • 02-04-2021
  • Mathematics
contestada

If x=7 and y=−5, evaluate the following expression:3x−y2​

Respuesta :

6eiko6 6eiko6
  • 02-04-2021

Answer:

the expression is equal to 31

Step-by-step explanation:

  • 3x-y2
  • 3(7) - (-5)2
  • 21 - (-10)
  • 21 + 10 = 31
Answer Link
PurpleFlame10
PurpleFlame10 PurpleFlame10
  • 02-04-2021

Answer:

31

Step-by-step explanation:

Substitute x and y into the equation to get..

(3×7)-(-5×2)

21- -10

31

Hope this helps :)

Answer Link

Otras preguntas

What was the significance of Britain declaring war on Germany in 1914
SM=3x−4, and RN=9x−20. Find the value of x
How did people in tenements get clothing? A. They made their own clothes. B. They traded clothes with other families. C. They bought clothing at stores. D. They
In 2-3 well-developed paragraphs, analyze how humor devices are used to convey meaning. Use textual evidence to support your answer.
Does anybody know how to do this it's about angles ​
Why did the reformation spread
Thomlin Company forecasts that total overhead for the current year will be $11,597,000 with 164,000 total machine hours. Year to date, the actual overhead is $7
PLZ HLP MEEEEEEEEEEEEEEEthe table shows the distribution of students in Mrs boxer's sixth-grade class. what is the ratio of the number of boys to the number of
Written as a simplified polynomial in standard form, what is the result when (x + 1)2 is subtracted from 7x2 - 4x + 6?
Zn(OH)2 SnO22-Zn SnO32- H2O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent a