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
lions [1.4K]
3 years ago
8

Use the quadratic formula to find the roots: -3x^2 + 27x = 42​

Mathematics
1 answer:
ch4aika [34]3 years ago
8 0

Answer:

x=2,x=7

Step-by-step explanation:

-3x^2+27x=42

x^2-9x+14=0

x^2-2x-7x+14=0

x*(xi2)-7(x-2)=0

(x-2)*(x-7)=0

x-2=0

x-7=0

x=2

x=7

You might be interested in
Subtract 386 from 72,000 work it out
postnew [5]

Answer:

71614

Step-by-step explanation:

7200-386= 71614

4 0
3 years ago
Read 2 more answers
2n-3 sequence 1st term
Alexandra [31]
First term = 2(1) - 3 = 2 - 3 = -1
8 0
4 years ago
Subtract -5x^2+7x+1 from 8x^2+x-10<br>I will give brainleist
marta [7]

Answer:

3x² + 8x - 9

Step-by-step explanation:

8x² - 5x² +x+7x-10+1

=3x² + 8x - 9

8 0
3 years ago
How to find components of a vector given magnitude and angle?
Zanzabum
<span>1. Find the magnitude and direction angle of the vector.
2. Find the component form of the vector given its magnitude and the angle it makes with the positive x-axis.
<span>3. Find the component form of the sum of two vectors with the given direction angles.</span></span>
3 0
3 years ago
Simplify <br> (1/2k) (4k) + 12 <br><br> 2k 2 + 12<br> 14k 2<br> 2k + 12<br> 14k
Lady bird [3.3K]

Answer:

(1/2) (4k) + 12 = 2k + 12

7 0
4 years ago
Other questions:
  • Which shows how to solve the equation -4/5x=80 for x in one step?
    7·2 answers
  • Let r(t)=⟨t2,1−t,4t⟩. calculate the derivative of r(t)⋅a(t) at t=5, assuming that a(5)=⟨−4,4,−5⟩ and a′(5)=⟨−5,9,3⟩
    13·1 answer
  • PLEASE HELP!! Show your work by using a QUADRATIC equation. If the sum of two numbers is 22, what should the numbers be for thei
    7·1 answer
  • What is 2/5 + 1/2 so what is the answer
    15·2 answers
  • There are 32 students in a class. Out of which 20 are boys. Find the fraction of boys and girls in the simplest form.
    13·1 answer
  • Can somebody explain PEMDAS (Order of Operations) to me?
    10·1 answer
  • Find the slope of the line that asses through the pair of oints (17,11) and (21,19)
    8·2 answers
  • What is -25 + - 14 + 3
    11·1 answer
  • I need help i do not understand
    14·1 answer
  • Simplify fully125y2/10xy​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!