lacwyf4 lacwyf4
  • 03-04-2021
  • Mathematics
contestada

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

Respuesta :

cad311
cad311 cad311
  • 03-04-2021
3(7)-(3)2 sub in the numbers
21-6=15
the answer is 15
Answer Link
nadiebrook
nadiebrook nadiebrook
  • 03-04-2021

Answer:

27

Step-by-step explanation:

3x−y2​= ? if x= 7 & y= -3

Step 1 insert the numbers where they go:

3(7)-(-3)2=

Step 2 the two negatives become a positive:

3(7)+(3)2=

Step 3 multiply:

21+6=

Step 4 add:

27

Answer Link

Otras preguntas

When can I apply the use of the cubic function (y= a( x - h ) ^3 + k) in a real life situation?
Which two types of buses may be used by expresscard slots?
Math help!!!? How do I solve this problem? Can anyone explain?
Define a function is_prime that receives an integer argument and returns true if the argument is a prime number and otherwise returns false. (an integer is prim
What does "y usted" mean in English?
Joe has 350 square paving stones. he plans to construct a square patio. what are the dimensions of the largest patio joe can build
How many valence electrons are found in one atom of nitrogen (N)?
What does the shallows dead body most likely symbolize from the happy prince story A. Death and destruction B.friendship and generosity County. Humans vs. Ani
the telephone rang a dozen times this morning
My family and i came from england as settlers so that we would be free to practice our religion. the place where i live is known for whaling. where do i live?