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
Maksim231197 [3]
3 years ago
6

What are the zeros of the function f(x) = 10x2 + 9x + 2?

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0

Answer:

x = -4/5  and -1/2

Step-by-step explanation:

"Finding zeroes" means find the x-values that make f(x) = 0, so we have...

0 = 10x² + 9x + 2

Use quadratic equation to solve...

x = [-9 ± √(9² - 4(10)(2))]/[2(10)]

x = [-9 ± √(81 - 80)]/20

x = [-9 ± √1]/20

x = [-9 ± 1]/20

x = (-9 + 1)/20    and (-9 - 1)/20

x = -8/20      and -10/20

x = -4/5  and -1/2

You might be interested in
If a circle is a full circle what is it diameter and radius
Elodia [21]
The diameter is exactly twice the radius.
8 0
3 years ago
Read 2 more answers
Frank purchased a new ice box having 2kg capacity. He wants it to be full with ice cubes. He measured the ice cubes to be 3.5 cm
salantis [7]

Answer:

Frank can put 5 cubes in the box.

Step-by-step explanation:

Formula:

Mass = Volume × density.

1 cubic centimetre = 0.001 liter= 1 millilitre

Given that,

Frank purchase a new ice box having 2 kg capacity.

So,the mass of the cubes is 2 kg.

Each ice cubes measured 3.5 cm by 3.5 cm by 3.5 cm.

The volume of a cube is = Side ^3

The volume of a each ice cubes is =3.5^3 cm³

                                                        = 42.875 ml

The ice cubes have a density of 0.914 g/ml

The mass of each cubes are

=volume of each ice cubes × density

=42.875 ml ×0.914 g/ml

=39.18775 gram.

Let x number of ice cubes he can put in the box.

The mass of x cubes is = 39.18775x grams.

2 kg= 2,000 gram [ since 1 kg= 1000 gram]

According to the problem,

39.18775x=2,000

\Rightarrow x=\frac{2000}{39.18775}

\Rightarrow x\approx 51

Frank can put 5 cubes in the box.

5 0
3 years ago
Find the missing terms in the<br>sequence 27, ? , 23, ? , 19,...<br>good luck​
Vikki [24]
Is it subtract by 2? So I think it would be 27,25,23,21, 19
8 0
3 years ago
A jar has 15 red marbles,5 blue marbles,10 green marbles.what is the ratio of red marbles to the total number of marbles in simp
Misha Larkins [42]

Answer:

1:2

Step-by-step explanation:

The total number of marbles in the jar can be found by adding all the numbers of marbles given:

15+5+10 = 30

Out of 30 total marbles, 15 are red marbles. We can write the ratio as:

15:30

This ration can be simplified to:

1:2

7 0
3 years ago
Adam used 1.8 pieces of paper to make this project he decorated 0.2 of each piece of paper with different colors . how many sect
qaws [65]
Adam had 9 sections in his art project.
3 0
2 years ago
Other questions:
  • Express (3x-4)(x+7)-1/4x squared as a trinomial in standard form
    7·1 answer
  • A computer’s hard disk is spinning at 90 revolutions per second. Through how many degrees does it travel in a second? in a minut
    8·1 answer
  • Find the 250th term of the sequence below<br><br> 57, 66, 75, 84, 93
    9·1 answer
  • A.J. Ryan bought 500 shares of Google at $364.55 per share. Assuming no commission, what did Ryan spend?
    15·1 answer
  • The Lin family bought a dozen bagels. They ate 1/4 of the bagels today and 5/12 of the bagels yesterday. What fraction of the ba
    5·1 answer
  • What point located in quadrant l has an x-value that is 5 units from the origin and a yevalue that is 4 units from the origin?
    6·1 answer
  • Due before 2:30 !! help !!
    7·2 answers
  • EQUATIONS AND INEC
    6·1 answer
  • Find an equation of the tangent line to the curve at the given point. y = x3 − 3x + 2, (3, 20)
    13·1 answer
  • -2h - 8 = 4h - 3(2h + 12)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!