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
Anettt [7]
1 year ago
15

Simplify 5x²-x+ 9 = X=3

Mathematics
1 answer:
Nutka1998 [239]1 year ago
4 0

Answer:

51

Step-by-step explanation:

5x^2 - x + 9

5(3^2) - 3 + 9

5(9) + 6

45 + 6

= 51

You might be interested in
In a sample of 66 cabinets, the average height was found to be 32.2in. with a standard deviation of 2.1. Give a point estimate f
andrew11 [14]

Answer:

2.10

Step-by-step explanation:

The point estimate for the population standard deviation of the height of the cabinets equals to the provided standard deviation of the cabinets. Rounding off the given standard deviation which is 2.1 to 2 decimal places as the question requires then the point estimate for the population standard deviation of the height of the cabinets is approximately 2.10 ( 2 decimal places)

7 0
2 years ago
Which of the following is true?(1 point)
MArishka [77]
Pretty sure it’s common to find fossils of soft tissues from dead organisms!
8 0
3 years ago
A coin is tossed. If head appears, A spinner that can land on any number from 1 to 4 is spun. if tales appears a second coin is
kramer
The answer is c because if head appears and the spinner is spun with 1 - 4 on it then you can get either h1, h2, h3 or h4 and if tales appears and another coin is tossed you can get either th or tt
5 0
3 years ago
Jaheem has a goal running a total of 125 miles this month. Each day that he ran, he ran 7 miles. Which expression could Jaheem u
VashaNatasha [74]

Answer:

a. 125 – 7d

Step-by-step explanation:

Let d be the number of days.

<u>Given the following data;</u>

Total distance (month) = 125 miles

Distance covered per day = 7 miles

To determine how many miles he has left to run after running for "d" days, this mathematical expression can be used;

Total distance - distance covered per day = number of miles remaining

125 - 7d

5 0
3 years ago
How can you tell if a function is quadratic?
Paha777 [63]
There are several ways, but the general format follows f(x) = ax2 + bx + c f(x) = ax² + bx + c, where A, B, and C are non-zero numbers. Another way of finding a quadratic equation is examining the graph of it, you'll notice a "U" shape called a parabola, which come in many shapes but they all retain a "U"-like curve.
3 0
2 years ago
Other questions:
  • You buy a basket of 24 strawberries. You eat them as you walk to the beach. It takes the same amount of time to walk each block.
    13·2 answers
  • Based on the given information, what can you conclude, and why? (PLEASE HELP!)
    8·1 answer
  • At a new exhibit in the museum of science, people are asked to choose between 90 or 120 random draws from a machine. The machine
    7·1 answer
  • Rectangle LMNO is transformed according to the rule rx-axis. What are the coordinates of L’?
    12·2 answers
  • The length of one side, s, of a shipping box is s(x) = ^3√2x, where x is the volume of the box in cubic inches. A manufacturer n
    14·2 answers
  • 1. Ellen said she spent half her money for lunch and half of what was left for a movie. She now has $1.20. How much did she spen
    8·1 answer
  • 2400 people attended a football game. If 4% of the people who attended were teenagers, how many teenagers attended the game?
    6·1 answer
  • What is f(4) for the graph shown below?
    13·1 answer
  • DOES ANYONE KNOW ANY OF THIS PLZZZ!!
    5·1 answer
  • Answer is D for you who can’t read.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!