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
IRISSAK [1]
2 years ago
15

Here are the first five terms of a quadratic sequence. 9 24 47 78 117 Find an expression, in terms of n, for the nth term of thi

s sequence.
​
Mathematics
1 answer:
tensa zangetsu [6.8K]2 years ago
5 0

Answer:

4n^2+3n+2

Step-by-step explanation:

9 24 47 78 117

 15  23

     8

8/2 = 4

=4n^2

9-4 = 5 (the minus value come from 4n^2 where n is the position where 9 lays)

24-16 = 8

47-36 = 11

so plus 3 every time so 3n

4n^2+3n for the first value is 7 so you need an extra 2

4n^2+3n+2

You might be interested in
What are potential roots of p(x) = x4 + 22x2 – 16x – 12
kow [346]
Simplify <span>22\times 2<span>22×2</span></span> to <span>44<span>44</span></span>
<span><span>{x}^{4}+44-16x-12<span><span>x<span><span>​4</span><span>​​</span></span></span>+44−16x−12</span></span>Collect like terms
<span><span>{x}^{4}+(44-12)-16x<span><span>x<span><span>​4</span><span>​​</span></span></span>+(44−12)−16x</span></span> Simplify</span><span><span>{x}^{4}+32-16x<span><span>x<span><span>​4</span><span>​​</span></span></span>+32−16x</span></span><span>
</span></span></span>
8 0
3 years ago
Read 2 more answers
Helppp please :(((((
DedPeter [7]

Answer:

Step-by-step explanation:

6 0
3 years ago
Evaluate the expression when x = 3.<br><br> x² + 6x - 3
Black_prince [1.1K]

Answer:

X=3

{3}^{2}  + 6(3) - 3 \\ 9 + 18 - 3 \\ 27 - 3 \\  = 24

3 0
2 years ago
I need help ASAP. I'm not good with math.
bonufazy [111]

Given:

The increase in pressure P is the linear function of the depth d.

P(d)=0.445d+14.7

The cost of dinner is $300 and $10 per students.

To find:

The initial value and rate of change and their interpretation.

Find the cost function C where n is the number of students.

Solution:

The slope intercept form of a linear function is

f(x)=mx+b          ...(i)

where, m is rate of change and b is y-intercept or initial value.

We have,

P(d)=0.445d+14.7        ...(ii)

From (i) and (ii), we get

m=0.445,b=14.7

The initial value is 14.7. It means, the pressure at sea level is 14.7 pounds psi.

Rate of change is 0.445. It means, the pressure is increasing by 0.445 pounds psi for every feet.

The cost of dinner is $300 and $10 per students.

Let C(n) be the total cost for dinner and n be the number of students.

Fixed cost = $300

Additional cost for 1 student = $10

Additional cost for n student = $10n

Now,

Total cost = Fixed cost + Additional cost

C(n)=300+10n

Therefore, the required cost function is C(n)=300+10n.

8 0
2 years ago
Eight more than the product of a number and 4 is 9 . Use the variable w for the unknown number.
Stolb23 [73]
9* (w+8)=4 is the equation
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which answer is the largest? *<br> 10 points<br> -16 • 8 =<br> -16 ÷ 8 =<br> -16 + 8 =<br> -16 - 8 =
    13·2 answers
  • In Japan, farmers have created watermelons in the shape of rectangular prisms. Find the volume of a prism-shaped watermelon in c
    6·2 answers
  • What number is 0.5% of 8?​
    6·2 answers
  • A random sample of college basketball players had an average height of 67.45 inches. Based on this sample, (64.9, 69.2) found to
    13·1 answer
  • Can you help me out with this one?
    6·2 answers
  • One reason for standardizing random variables is to measure variables with:
    9·1 answer
  • Use point-slope form, y - y1 = m(x - x1), to find the linear equation of a line that passes through the points (2, -1) and (10,
    11·2 answers
  • What is the area of this circle?
    7·1 answer
  • Plz Help. Will give brainliest!!
    15·1 answer
  • A man buys eggs at GH 4.50 per crate of 30 eggs. He finds that 20% of the eggs are broken but sells the rest at GH¢ 3.00 a dozen
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!