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
Kay [80]
3 years ago
13

N^2+7 at n= -3 help!

Mathematics
1 answer:
Anon25 [30]3 years ago
5 0

Answer:

16

Step-by-step explanation:

To solve plugin -3 for n

-3^2+7

Then, solve using PEMDAS. First, do exponents

-3^2+7=9+7

Next, add

9+7=16

So, 16 is the final answer.

You might be interested in
Leveled Practice in 1-4, find the unit rate.
pashok25 [27]

Answer:

13mph

Step-by-step explanation:

you must multiply both fractions by the reciprocal of 1/65 which is 65/1

(1/5 * 65/1) / (1/65 * 65/1)

(65/5) / (65/65)

13/ 1

13/1 = 13

5 0
3 years ago
What is the decimal equivalent to 5/7
tino4ka555 [31]

Answer:

0.714286

Step-by-step explanation:

yes

5 0
2 years ago
Please explain to me how to find y. I’m so confused.
koban [17]
Every triangle angles add up to 180.

So because one angle is 90 degrees you would subtract it from 180 to get 90 and then divide it by two which is 45 degrees.

Hope this helps, have a nice day! :)
7 0
3 years ago
HELP IMMEDDIATLY, PLEASE
maxonik [38]

I think it's B and D because both of them will give you the same answer which is 2.71 but turn it into fraction.

5 0
3 years ago
Read 2 more answers
Help me with this question please?
UNO [17]
\bf 3^{n+2}-3^n=8\cdot 3^n\implies \boxed{3^n\cdot 3^2}-3^n=8\cdot 3^n
\\\\\\
\stackrel{common~factor}{3^n}(3^2-1)=8\cdot 3^n\implies 3^2-1=\cfrac{8\cdot \underline{3^n}}{\underline{3^n}}\implies 3^2-1=8
\\\\\\
9-1=8\implies 8=8
6 0
3 years ago
Other questions:
  • Which expression could be used to calculate the length, in feet, of the rectangle?
    12·2 answers
  • Which expression is equivalent 5y3/(5y)-2
    9·1 answer
  • How many miles apart are two cities and how far apart they’d be on the map
    13·2 answers
  • P = $730, r = 6%, t = 7 What is i? $30.66 $306.60 $3,066.00 $30,660.00
    7·1 answer
  • I need help with this
    10·1 answer
  • -6x + 3(x - 5) - 2x = -25
    8·2 answers
  • Find the 26th term in the arithmetic sequence: 20, 26, 32, 38, ...
    12·1 answer
  • Please help me with this asap
    7·1 answer
  • How do I do this or whats the answer im so lost and having a mental breakdown ✌​
    8·1 answer
  • The Grade 8 students had a graduation dinner. They paid a flat rate of $125 for the use of the hall, plus $13 for each student w
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!