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
____ [38]
3 years ago
15

-5v^2+31v-6 factor the polynomial

Mathematics
1 answer:
jeka57 [31]3 years ago
6 0

The first thing he has to do is take that "minus" sign through the parentheses containing the second polynomial. Some students find it helpful to put a " 1 " in front of the parentheses, to help them keep track of the minus sign. Here's what the subtraction looks like, when working horizontally.

You might be interested in
I need three terms like -19m
andreyandreev [35.5K]

Answer:

Step-by-step explanation:

ok  :3    

3 0
3 years ago
Larry Mitchell invested part of his $25,000 advance at 2% annual simple interest and the rest at 3% annual simple interest. If h
alexandr402 [8]

Answer:

  • $1000 at 3%
  • $24000 at 2%

Step-by-step explanation:

Let x represent the amount invested at 3%. Then the total interest earned is ...

  0.03x +0.02(25000 -x) = 510

  0.01x = 10 . . . . . . . . . . . . subtract 500, collect terms

  x = 1000

Mitchell invested $1,000 at 3% and $24,000 at 2%.

3 0
2 years ago
A small radio transmitter broadcasts in a 50 mile radius. If you drive along a straight line from a city 65 miles north of the t
mart [117]

Answer:

29% of the drive

Step-by-step explanation:

The plot of the problem is:

Transmitter at origin (0,0)  

City to the north at (0,70)

City to the east at (74,0)

The path from city to city is a line with slope:

m = (-70)/74 = -35/37

and y-intercept at y = 70, so the equation is y = (-35/37)*x + 70.

The transmitter reach the area enclosed by the next circle:

x^2 + y^2 = 53^2

See the picture attached

The intersection is gotten from the picture or solving:

x^2 + [(-35/37)*x + 70]^2 = 53^2

the points approximately are: (24.1, 47.2) and (45.8, 26.7)

From Pythagorean theorem the total distance of the trip is:

d1 = √(70^2 + 74^2) ≈ 101.9 miles

And the distance when the signal is picked up is:

d2 =√ [(45.8 - 24.1)^2 + (47.2 - 26.7)^2] ≈ 29.9 miles

You will pick up a signal from the transmitter in (d2/d1)*100 = 29% of the drive.

7 0
2 years ago
The value
ehidna [41]

Answer:

A

Step-by-step explanation:

Check the solution by substituting x = \frac{\pi }{2} into the left side of the equation

2sin²x - sinx - 1

= 2sin²(\frac{\pi }{2} ) - sin (\frac{\pi }{2} ) - 1

= 2(1)² - 1 - 1

= 2 - 1 - 1

= 0

= right side

\frac{\pi }{2} is therefore a solution to the equation

7 0
3 years ago
jenny has 68 1/2 pages of her left to read. How many pages will she have left after she reads 26 1/6 pages?
jekas [21]

Answer:

42 1/3

Step-by-step explanation:

We subtract 26 1/6 from 68 1/2. We do this by finding the LCM of 6 and 2. That is 6. We multiply 1/2 by 3/3 to get 3/6. Now, we subtract. 68 - 26 is 42, and 3/6 - 1/6 is 2/6. Our answer is 42 2/6. That can be simplified to 42 1/3.

6 0
2 years ago
Other questions:
  • In the game of​ "Between," two cards are dealt from a standard deck and not replaced. You then pick a third card from the deck.
    13·1 answer
  • (17) geometry help pls
    5·1 answer
  • Pamela makes cloth dolls, which she sells to friends and relatives. her total inventory includes over 200 yards of fabric, 100 y
    7·1 answer
  • Uhm can I get a little help I'm not sure what this means?
    6·1 answer
  • A farmer will divide a 12-acre plot of land into three equal-sized sections. What will be the size of each section?
    12·2 answers
  • Find the measure of a centroid
    6·2 answers
  • How to work out the square root of 84
    14·2 answers
  • (7.5)What is the value of x?
    12·1 answer
  • Please answer this question
    7·1 answer
  • What is the value of x?<br> Enter your answer in the box
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!