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
stepladder [879]
3 years ago
10

Evaluate f(x) = 5x2 - 4x - 9 for f(-2)

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0

Answer:

99

Step-by-step explanation:

5x^2 -4x -9

5(-2)^2 -4(-2) -9

-10^2 +8 -9

100-1

99

You might be interested in
What are the 2 shapes
uysha [10]
A stop sign shape i think

6 0
3 years ago
If a customer ordered 5 items and the order had a total of 17 wheels, how many wagons were odered?
Nimfa-mama [501]
If a customer ordered 5 items and the order had a total of 17 wheels, we are to determine the number of wagons that was ordered. A wagon has four wheels, therefore, 17 divided by 4 wheels is equal to 4 r. 1. So, 4 wagons were ordered and one extra wheel to complete the 17 wheels and 5 orders.
6 0
3 years ago
Read 2 more answers
What is the mean of 65,30,25
mixas84 [53]
You've got 3 values there.

Get the sum of 65, 30 and 25 and divide their sum by the number of values that exist, which in this case is 3.

\frac { 65+30+25 }{ 3 } =\frac { 120 }{ 3 } =40

Answer:

40
5 0
3 years ago
Read 2 more answers
The sum of two numbers is 3. The difference between five times the first number and four times the second number is 6. Find the
stellarik [79]

Answer:

1 and 2

2+1=3

2×5=10

1×4=4

10-4=6

4 0
3 years ago
-1x + 5 = 10 solution please
FinnZ [79.3K]

Answer:i think its -5 because if you subtract 5 from 10 then its five hnd a negative times a negative is a positive

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which number is greater 0.45 0r 0.449
    6·2 answers
  • A company has a $150 budget to provide lunch for its 20 employees. The options are to provide either roast beef sandwiches, whic
    5·2 answers
  • Help me with this question this was supposed to be due yesterday!
    13·1 answer
  • Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of this t
    9·2 answers
  • Look at the diagram. If ST = 15 and RT = 40, then RS =_____.<br><br> R———————S——————T
    11·1 answer
  • The floor of hexagonal barn has a perimeter 1260
    12·1 answer
  • 15.
    10·1 answer
  • Y−3=2(x+1) <br><br><br> Find the Value of -1
    8·1 answer
  • Round 6.713 to the nearest whole number.<br> HURRY<br> PLS-
    15·2 answers
  • . Mallorie has $5.50 in her wallet. If this is 10% of her monthly allowance, what is her
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!