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
vovikov84 [41]
3 years ago
6

Please I need help with this 4x2 – 16x -13 = 0

Mathematics
1 answer:
igomit [66]3 years ago
8 0

Answer:

-5/16

Step-by-step explanation:

multiply 4*2

4 * 2= 8 -16x -13

8-16x-13

add like-terms

8-13=-5

-5-16x=0

move the 5 with 0, which will make it positive

-16x=5

Divide

5/-16 =x

You might be interested in
Jill filled up the gas tank in her new hybrid car.Jill put 10.3 gallons of gas in her car and she has driven 473.8 miles. Determ
mafiozo [28]

Jill put 10.3 gallons of gas into her car. She drove for 473.8 miles.

So we have to find how many miles per gallon she drove.

473.8 into 10.3 = 46

To make sure= 10.3 x 46 = 473.8

So Jill drove 46 miles per gallon.

5 0
3 years ago
What is the slope of the given graph?
Reptile [31]

Answer:

Looks like it's 1.

Step-by-step explanation:

Since it is a positive slope and it goes up 1 unit, the slope is 1.

7 0
3 years ago
What is the max or min and range of y=2x^2+20x-12
shtirl [24]

Answer: its x = 3

Step-by-step explanation:

The maximum or minimum of a quadratic function occurs at

x

=

−

b

2

a

. If

a

is negative, the maximum value of the function is

f

(

−

b

2

a

)

. If

a

is positive, the minimum value of the function is

f

(

−

b

2

a

)

.

f

min

x

=

a

x

2

+

b

x

+

c

occurs at

x

=

−

b

2

a

Find the value of

x

equal to

−

b

2

a

.

x

=

−

b

2

a

Substitute in the values of

a

and

b

.

x

=

−

−

12

2

(

2

)

Remove parentheses.

x

=

−

−

12

2

(

2

)

Simplify

−

−

12

2

(

2

)

.

Tap for more steps...

x

=

3

The maximum or minimum of a quadratic function occurs at

x

=

−

b

2

a

. If

a

is negative, the maximum value of the function is

f

(

−

b

2

a

)

. If

a

is positive, the minimum value of the function is

f

(

−

b

2

a

)

.

f

min

x

=

a

x

2

+

b

x

+

c

occurs at

x

=

−

b

2

a

Find the value of

x

equal to

−

b

2

a

.

x

=

−

b

2

a

Substitute in the values of

a

and

b

.

x

=

−

−

12

2

(

2

)

Remove parentheses.

x

=

−

−

12

2

(

2

)

Simplify

−

−

12

2

(

2

)

.

Tap for more steps...

x

=

3

4 0
3 years ago
20 This spinner will be spun twice. What is the probability of
natali 33 [55]

Answer: the probability is 0.25

Step-by-step explanation:

We have 10 numbers:

0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Of those, the odd ones are:

1, 3, 5, 7, 9

So we have 5 odd numbers.

The probability that the outcome is an odd number is equal to the number of odd numbers divided the total number of numbers:

p = 5/10 = 0.5

For the second spin the probability is the same, p = 5/10, because the first outcome does not affect the results of the second spin.

The probability of spining an odd number both times, then is the joint probability for two times this same event:

P = (5/10)(5/10) = 0.5*0.5 = 0.25

or 25% in percent form

3 0
3 years ago
What is meant by a system of linear equations?
photoshop1234 [79]
It’s a grouping of linear(straight line)equations that deal with the same variables. Hope that helped?
7 0
3 years ago
Other questions:
  • I need extreme help and asap
    5·1 answer
  • Eric can mow the Johnson’s lawn in 2 hours. It takes him 5 hours to mow the Smith’s lawn. If he is paid $9 per hour , how much w
    9·1 answer
  • What is 1/3 of 18<br> Fraction problems
    8·2 answers
  • The manager of a warehouse would like to know how many errors are made when a product’s serial number is read by a bar-code read
    15·2 answers
  • 16.50 and pays 20.00 in cash the change due is
    15·2 answers
  • A Cepheid variable star is a star whose brightness alternately increases and decreases. For a certain star, the interval between
    9·1 answer
  • Please help me I'm so stupid
    14·1 answer
  • A ticket to the state fair cost $15. The equation y = 15x relates the total cost of tickets (y) to the number of tickets purchas
    9·2 answers
  • Write the equation.
    14·2 answers
  • Please help I was asigned this for how and I am stuck
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!