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
hammer [34]
2 years ago
9

Evaluate the function for the given value of x f(n)=n^2-6n+7n at n=3 ​

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
6 0
F(n)=13
3^2-6(3)+7(3)=12
You might be interested in
A gardener is planting two types of trees:Type A is three feet tall and grows at a rate of 15 inches per year.Type B is four fee
Sliva [168]
First, construct two equations.
Then, equal the two equations to each other like this -

x will be the years.

Type A. Type B

3x + 15 = 4x + 10
- 15. - 15

3x = 4x - 5
-4x. -4x

-x = -5
-x/-1 = -5/-1
x = 5

Check:

3(5) + 15 = 4(5) + 10
15 + 15 = 20 + 10
30 = 30

Therefore, the trees will be the same height in 5 years.
7 0
3 years ago
According to Statcast, the average left field home run travels 378 feet and reaches a maximum height of 81 feet. Assuming the ba
kogti [31]

Answer:

H = V0y t - 1/2 g t^2     equation for vertical height of object with initial speed     (V0y = V0 sin theta)

If H is to be considered an absolute value from t = 0

h = H + 3 = V0y t - 1/2 g t^2  + 3  where h is height from ground

8 0
3 years ago
The grades on a language midterm at Oak Academy are roughly symmetric with = 67 and 0 = 2.5. Ishaan scored 70 on the exam. Find
rodikova [14]

Answer:  1.2

Step-by-step explanation:

Let X denotes the grades on a  language midterm at Oak Academy.

As per given ,

X follows normal distribution ( because it has symmetric graph)

\mu=67,\ \ \ \ \sigma= 2.5

Formula for z : z=\dfrac{X-\mu}{\sigma}

For X = 70, we have

z=\dfrac{70-67}{2.5}=\dfrac{3}{2.5}=1.2

Hence, the z-score for Ishaan's exam grade = 1.2

3 0
2 years ago
Raj is 53.56 inches tall. He is 1.3 times as tall as his younger sister. How tall is Raj's younger sister
vredina [299]

Answer:

41.2 inches tall

Step-by-step explanation:

53.56 / 1.3 = 41.2

3 0
2 years ago
Read 2 more answers
Answer Key Question 1 (Worth 1 points) (02.02) A store offers a 15% discount on all items in the store during a sale. All store
Sunny_sXe [5.5K]
C=71.91. plug 100 into the equation as x, then solve for C
7 0
3 years ago
Other questions:
  • Help? Because my teacher doesn't want too
    7·1 answer
  • 50 POINTS & BRAINLIEST PLEASE HELP
    6·2 answers
  • Pick the best decimal point equivalent to 3 9/100
    13·2 answers
  • Which of these things does not show that a reaction has occurred?
    6·2 answers
  • To find out how many wolves lived in a valley, scientists put tracking devices on 68 wolves. Later that month, the scientists co
    5·1 answer
  • 1.) What is the equation of the path of firework #1? Write your equation in general form.
    10·1 answer
  • Characteristics of Relations
    10·1 answer
  • Find the distance around a circular track if it is 100 feet across. (Use 3.14 for TT.)
    10·1 answer
  • Translate and solve: <br> The product of a number<br> and -8 is more than 64
    10·1 answer
  • Rewrite this non statistical question as a statistical question how many brothers does paul have?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!