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
Elena-2011 [213]
3 years ago
8

Solve -4a² - 1/5b + 1/7cif a = 3, b = -5, c = -21​

Mathematics
1 answer:
frutty [35]3 years ago
8 0

Answer:

Step-by-step explanation:

-4(3)² - 1/5(-5) + 1/7(-21)

-4(9) + 1 - 3

-36 + 1 - 3

-35 - 3 = -38

You might be interested in
- 5(x - 3) + 4 Completely simplify the expression
Artemon [7]

Answer:

Step-by-step explanation:

08– Ao Fatorar a expressão

2+6+9

a solução correta

2 −9

Leia e responda:

5 0
3 years ago
This figure shows the mer
Flura [38]

Answer:

8

Step-by-step explanation:

8•4=32 it's not that bad

5 0
2 years ago
What is 23 inches in centimetres?
Anettt [7]

Answer: 58.42

Formula: Multiply the length value by 2.54

23×2.54 =58.42

12 Inches = 30.48 Centimetres

7 0
3 years ago
Read 2 more answers
What is 12.125 as a fraction 
yulyashka [42]
12 \frac{1}{8}
3 0
3 years ago
Francesca has 63 cm of ribbon. She will cut it into two pieces so that the longer piece is 15 cm longer than the shorter piece.
Pie

Answer:

48

Step-by-step explanation:

63-15=48

6 0
3 years ago
Read 2 more answers
Other questions:
  • Thank you an advance!
    13·2 answers
  • Which fraction is equivalent to 6 over -8 <br> -8/6<br> -6/8<br> -6 over -8<br> 8/6
    12·2 answers
  • During summer, when the snow melts, the water level of the Yukon River increases. If the water level of the river increased by 2
    5·1 answer
  • In a triangle ABC, M
    7·1 answer
  • What is the reciprocal of 3/4? How can you be sure it is the reciprocal?
    6·2 answers
  • Pleaseeee help
    14·1 answer
  • help a girl out :*) A store sells 8 basketballs for every 2 soccerballs. If the store sells 320 basketballs, how many soccerball
    13·2 answers
  • What is the composite perimeter of this shape? I will crown anybody who answers correctly!
    7·1 answer
  • Can u help me i'm not good at math (cap)
    5·1 answer
  • A student says that 3% is equal to 0.3 when written as a decimal. Is their thinking correct? Explain.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!