1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sergeu [11.5K]
3 years ago
9

Evaluate the expression 3x^2+ y if x = 1 and y = -3.

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0
3(1)^2-3= 0
Plug in the numbers because x=1 plug In 3(1)^2 and it equals 3 then subtract y which is 3-3= 0
You might be interested in
ANSWER THIS CORRECTLY 20 POINTS
Vinil7 [7]

Answer: she is 60 years old because 48+12=60 yrs old now

3 0
3 years ago
Read 2 more answers
Dennis is joining an online video game service. He will pay $25.50 to purchase each game plus a one-time foe of $4500 to join
insens350 [35]

Answer:

I am pretty certian it is A

Step-by-step explanation:

You add the x to 25.50 because it is unknown how many games he will buy and add the one time pay of 4,500 to enter the service/company

So it is y= 25.50x + 45

6 0
2 years ago
Read 2 more answers
At noon, a tank contained 5 cm of water. After several hours, it contained 4 cm of water. What is the percent decrease of water
Radda [10]

Answer:

the decrease percentage is 25%

6 0
2 years ago
I need help please and quick.
bazaltina [42]

HERE IS YOUR ANSWER IN PICTURE...

8 0
2 years ago
Prove or disprove: (a) there are positive real numbers x and y with √ x + y = √ x+ √y
ArbitrLikvidat [17]
An example would be x = 2 and y = 1:-

√2 + 1 = √2 + √1

because √1 = 1
8 0
3 years ago
Other questions:
  • If the fraction (352/x-10) is equivalent to -22, find the value of x.
    7·1 answer
  • Rampur Sarpanch requested one of his villager to donate a 6m wide land adjusted to his 132.8m long side of his right triangular
    7·1 answer
  • Can someone please help me with these two questions ​
    11·1 answer
  • a fishbowl shaped like a sphere is filled with water. The fishbowl has a diameter of 16 inches. Which measurement is closest to
    11·2 answers
  • Five friends attend a matinee movie and spend $8 per ticket. They also purchase a small bag of popcorn each. If the friends spen
    12·1 answer
  • {y=3/4x 5/2x+2y=5 need help
    10·1 answer
  • PLS HELP WILL GIVE BRAINLIEST
    8·1 answer
  • There are 76,000 acres of state Parkland in Georgia this is 4000 acres more than three times the number of acres of state Parkla
    13·1 answer
  • Well's College in New York was previously an all girls school. In 2005, the college began to allow boys to enroll. By 2012, the
    7·1 answer
  • Find the length of JH help pls
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!