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
skelet666 [1.2K]
2 years ago
11

2x² + 3x - 1 =0 by make quadratic equation​

Mathematics
1 answer:
Strike441 [17]2 years ago
5 0

Answer:

\frac{1}{2}

Step-by-step explanation:

1/2

You might be interested in
20 POINTS! HELP PLEASE!
nevsk [136]

Answer:

False

Step-by-step explanation:

i did this question and got it right

5 0
3 years ago
Read 2 more answers
the food bill for meal at a restaurant is $12. THe sales tax is 6.5%, and you leave 15% tip. Wat is the total cost of the meal?
jeka57 [31]

Answer:

Step-by-step explanation:

12*6.5%=0.72

12+15%=13.8

0.72+13.8=14.52

6 0
1 year ago
Solving a word problem involving rates and time conversion
LUCKY_DIMON [66]

Answer:

It takes 4.75 hours to travel 247 miles.

Step-by-step explanation:

This question is solved by proportions, using a rule of three.

A car travels at an average speed of 52 miles per hour.

This means that in 1 hour, the car travels 52 miles. How many hours for it to travel 247 miles?

1 h - 52 m

x h - 247 m

Applying cross multiplication

52x = 247

x = \frac{247}{52}

x = 4.75

It takes 4.75 hours to travel 247 miles.

7 0
3 years ago
If (x+yi)(1-3i)=10 <br> Then x+y=
Naily [24]

Answer:

x + y = 4

Step-by-step explanation:

Given that, (x + iy)(1 - 3i) = 10, then we have to calculate x + y.

Now, (x + iy)(1 - 3i) = 10

⇒ x(1 - 3i) + iy(1 - 3i) = 10

⇒ x - 3xi + iy - 3yi² = 10

⇒ (x + 3y) + i(y - 3x) = 10

Now, comparing the real and imaginary part of both sides we get,

(x + 3y) = 10 ............. (1) and

y - 3x = 0

⇒ y = 3x ............... (2)

Solving equations (1) and (2) we get

x + 3(3x) = 10

⇒ x = 1

So, y = 3x = 3

Therefore, x + y = 1 + 3 = 4 (Answer)

7 0
3 years ago
Two sides of a triangle have the same length. The third side measures 6 m less than twice the common length. The perimeter of th
Zepler [3.9K]
The answer is <span>The two equal sides have a length of 4,</span>
<span>the third side has a length of 6.</span>
8 0
3 years ago
Other questions:
  • 8. A well-balanced stock market portfolio will often experience an exponential growth. A
    15·1 answer
  • A = {1, 3, 5, 7, 9}
    6·2 answers
  • <img src="https://tex.z-dn.net/?f=2x%20%2B%20y%20%3D%203y%20-%202" id="TexFormula1" title="2x + y = 3y - 2" alt="2x + y = 3y - 2
    14·1 answer
  • If you subtract 12-7.28 what is your answer ?
    6·1 answer
  • A bag contains 3 blue marbles, 7 red marbles, and 5 yellow marbles. If Joe picks 1 marble from the bag at random, what is the pr
    11·2 answers
  • What is the area of a triangle that has a base of 15 yards and a height of 11 yards?
    6·1 answer
  • Ace Landscape buys 100 shovels for $15 each. Ace sells all 100 shovels at $29.99. What is his profit?
    14·1 answer
  • Can someone pleaseeee help and if you’re correct i’ll give brainliest
    11·2 answers
  • Angelica joins a local gym called Fitness Solutions. The annual membership is $720 and personal trainers can be hired for $28 pe
    9·1 answer
  • Can you guys help me finish this quiz tonight
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!