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
Ghella [55]
3 years ago
12

Solve -4x^2+3x=-5 using quadratic formula​

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0

Answer:

Step-by-step explanation:

Here, we want to solve the given quadratic equation using the quadratic formula

We need to rewrite the equation in the standard form;

-4x^2 + 3x + 5 = 0

we have the value a as -4

value b as 3

C = 5

we then substitute these values into the quadratic formula as seen in the attachment

You might be interested in
Julio says, "If you subtract 19 from my number and multiply the difference by - 7, the result is - 28." What is Julio's number?
ra1l [238]

Answer:

23

Step-by-step explanation:

Basically I did it backwards & opposites:

-28 divided by -7 = 4

4 + 19 = 23

I checked btw and it worked.

4 0
2 years ago
Your beginning balance on your lunch account is $42. You buy lunch for $1.80 every day and sometimes buy a snack for $0.85. Afte
tangare [24]

Answer:

The answer to your question is: I bought 7 snacks

Step-by-step explanation:

Data

beginning balance = $42 = b

lunch = $1.80  = l

snack = $ 0.85  = s

final balance = $0.05 = f

                        f = b - 1.8l - 0.05s

                     0.05 = 42 - 1.8l - 0.85s

After 20 days I spent = 1.8(20) in lunches = $36

                    0.05 = 42 - 36 - 0.85s

                   0.05 = 6 - 0.85s

                  0.05 - 6 = -0.85s

                  -5.95 = -0.85s

                  s = -5.95/-0.85

                  s = 7

         

4 0
3 years ago
Will mark Brainlest Help please<br>If a:b =4:5 then find the duplicate value of a:b<br>​
Nostrana [21]

Answer:

it must be 5:4..I'm not sure.

4 0
3 years ago
Read 2 more answers
Sally took her stats test last week and scored a 45%. The class average was 55%with a standard deviation of 4.5. How many standa
sesenic [268]

Answer: A

Step-by-step explanation:

5 0
3 years ago
CAN ANYONE PLEASE EXPLAIN TO ME WHAT ON EARTH THIS MEANS
Shtirlitz [24]

the work that you're required to do has to contain all three requirements in order to earn the maximum number of points, and it also has to be creative (meaning no copying other people's work)

6 0
3 years ago
Other questions:
  • An $80.00 coat is marked down 20%. It does not sell, so the shop owner marks it down an additional 15%. What is the new price of
    7·1 answer
  • Which of the following rational numbers represents a repeating decimal?
    13·1 answer
  • Whats the answer???​
    7·2 answers
  • A plane is flying at 20,000 feet and the pilot wishes to take the plane 35000 feet. The angle of elevation that should be used i
    15·1 answer
  • the shadow of a man who is 1.80m tall is 3.90 m long. if at the same the shadow of trees is 5.20m long. how tall the tree is?​
    6·1 answer
  • 21 cm by 18cm by 15 cm what will the total sq cm
    6·1 answer
  • 1/3(x-7)=5 what does x equal
    13·1 answer
  • Which answers describe the shape below? CHECK ALL THAT APPLY!
    6·1 answer
  • I don't know how to answer this​
    6·1 answer
  • 8 3\2 power in simplest radical form
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!