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]
4 years ago
10

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

Mathematics
1 answer:
Svetllana [295]4 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
Tenemos 2 rectangulos, el primero mide 15 centimetros de largo y 4 centimetros de ancho al formar el segundo rectangulo se dupli
sergey [27]

Answer:

El segundo rectangulo va medir 30 centimetros de largo y 8 centimetros de ancho.

Step-by-step explanation:

Duplicar las medidas significa que vamos multiplicar las medidas por 2.

15 cm × 2= 30 cm

4 cm × 2= 8 cm

Espero que te ayude!

8 0
3 years ago
Please help solve this and show work
Dafna11 [192]

Answer: x=9

Step-by-step explanation:

7x+43=106

subtract 43 from both sides

7x=63

divide by 7

x=9

8 0
3 years ago
4x-5y+2z=-3<br> 6x+4y+9z=8<br> 11x-2y-z=7
Nutka1998 [239]

Answer:

thank you i need that

Step-by-step explanation:

4 0
4 years ago
What is the price per pound of watermelon?<br> A. $0.25<br> B. $0.75<br> C. $1.40<br> D. $7.50
Salsk061 [2.6K]
The answer is A $.025
6 0
3 years ago
Read 2 more answers
Find the median. 90, 88, 100, 82, 80.
gavmur [86]

Answer:

100 is the median for te above observations

<h2><em><u>HOPE</u></em><em><u> </u></em><em><u>IT</u></em><em><u> </u></em><em><u>HELPED</u></em><em><u> </u></em></h2>

3 0
3 years ago
Read 2 more answers
Other questions:
  • A basketball player make 17 of the shots of the 25 shots she takes a percentage of the shots that she successfully make
    6·1 answer
  • What is the image point of (-8, -9) after a translation left 3 units and down 5<br> units?
    7·1 answer
  • Paul, who is self employed, placed $30,000 in an account that pays 6% annual interest, compounded quarterly. How much interest w
    6·1 answer
  • A skyscraper elevator can move one-teeth of a mile in half a minute. What is this speed expressed in miles per minute?
    11·1 answer
  • What is the solution of the following system of equation: 2X+Y=17 AND Y=X+14 ?
    11·1 answer
  • Sasha spent $7.00 of the $20.00 in her wallet. Which decimal represents the fraction of the $20.00 Sasha spent?
    5·2 answers
  • Describe the transformations needed to translate the graph y=1/x to the graph of y=1/x+3 -4
    5·2 answers
  • Determine the slope of the line that passes through the points (5, -1) and (5,-5)
    15·2 answers
  • Isabel is going for a walk. She walks 6.4 miles in 4 hours. What is her speed?
    9·2 answers
  • Find the measure of a negative angle coterminal with<br> 4л<br> 3<br> radians.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!