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

Which of the following is not an effect of deforestation? A. Poor soil quality B. Poor air quality C. Destruction of habitat D. Increased food supp
a car travels at 65 mph. it travels 3/5 write this fraction into a decimal
3|x| 5=8 solve the problem
If temperature increases, what happens to pressure? pressure decreases. pressure stays the same. pressure increases.
who was the first african american student to challenge segregation at university of mississippi?
What problem did federalism solve when the constitution was being written.
the number of gallons of gas that were in the tank plus 13 more adds up to 16 gallons
king menes' achievements that influenced the Egyptian civilization
a disease associated with smoking is which alveoli are destroyed is known as a. chronic bronchitis. b. chronic obstuctive pumonary disease. c. chronic hepatitis
Someone please help me in this homework