For f(x)=-4x-2 find f (2)
a. 6
b. -10
c. -8
d. -6

Answers

Answer 1

Answer:

a. 6

Step-by-step explanation:

Replacing the value of x by 2 we get the following

f(2) = 4*2-2 = 8-2 = 6


Related Questions

15= x/6-1 help me with this im just using it to study so show step by step because i forgot

Answers

The value of x after solving the expression, 15 = (x/6)-1, step by step is 96.

According to the question,

We have the following expression:

15 = (x/6)-1

Now, we can change the sides because it will not make any difference to the overall answer.

(x/6)-1 = 15

Now, we will move 1 from the left hand side to the right hand side. So, the sign will change from minus to plus.

x/6 = 15+1

x/6 = 16

Now, we will move 6 from the left hand side to right hand side. 6 is in the division on the left hand side then it will be in multiplication on the right hand side.

x = 16*6

x = 96

Hence, the value of x after solving the expression step by step is 96.

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Write the decimal represented by each shaded square.

Write the decimal represented by each shaded square.

Answers

Answer:

Hello!!! Princess Sakura here ^^

Step-by-step explanation:

The decimal would be .70 because there's 70 squares that are shaded.

please help with this worksheet​

please help with this worksheet

Answers

Answer:

Is this your homework?.

Which expression is a difference of squares with a factor of 2x + 5? 4x2 + 10 4x2 – 10 4x2 + 25 4x2 – 25

Answers

Answer:

  4x^2 -25

Step-by-step explanation:

The other factor of the difference of squares is the "conjugate" of the given one: (2x -5). Then their product is ...

  (2x +5)(2x -5) = (2x)^2 -(5)^2 = 4x^2 -25

Answer:

The Answer On Edge Is D.), Have Fun Dreamers!

Step-by-step explanation:

Select the correct choice that completes the following statement. A polynomial root of multiplicity 2...?

Select the correct choice that completes the following statement. A polynomial root of multiplicity 2...?

Answers

GIven:

A polynomial has a root of multiplicity 2.

The objective is to choose the correct answer fro mthe options.

The root of a polynomial equation is the point on the x axis where y =0.

Thus, the root of a polynomial touches the x axis and passes throught the x axis.

Hence, option (a) is the correct answer.

The probability of waiting 2 minutes or longer for checkout at a particular supermarket counter is 0.3. On a given day, a man and his wife decide to shop individually at the market, each checking out at different counters. They both reach the counters at the same time. What is the probability that one or the other or both will wait 2 minutes or longer?

Answers

Answer:

The probability answer is 69/100

Step-by-step explanation:

The probability of waiting 2 minutes or longer = 0.3= (3/10)

The probability of not waiting longer = 1 - (3/10) = (7/10)

For the man,

P(waiting 2 mins or longer) = 3/10

For the woman,

P(waiting 2 mins or longer) = 3/10

Therefore,

The probability that one or the other or both will wait 2 minutes or longer

= P(man waits 2 mins or longer) or P(woman waits 2 mins or longer) or P(both waits 2 mins or longer)

= (3/10) or (3/10) or ( (3/10) and (3/10) )

= (3/10) + (3/10) + ( (3/10) X (3/10) )

= (6/10) + (9/100)

= (69/100)

Group the terms with variables on one side of the equal sign, and simplify.
5z + 3 = 36z

Answers

Answer:

z = 3/31

Step-by-step explanation:

5z + 3 = 36z

subtract 5z on both sides

3 = 31z

divide by 31 on both sides

z = 3/31

Select the correct answer from each drop-down menu.

The total area of the three triangles is
square units.
The area of the figure is
square units.

Answers

The total area of the three triangles is square units is 36 and the area of the figure is square units is 60.

What is the triangle?

The triangle can be defined as a three-sided polygon in geometry, and it consists of three vertices and three edges. The sum of all the angles inside the triangle is 180°.

From the figure, the area of triangles can be calculated using the:

Area = (1/2)height×base length

Area of three triangle = 1/2(4×6) + 1/2(6×4) + 1/2(4×6)

Area of three triangle = 1/2(24×3) = 36 square units

Area of the figure = area of three triangle + area of the rectangle

= 36 + 6×4

= 60 square units

Thus, the total area of the three triangles is square units is 36 and the area of the figure is square units is 60.

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Select the correct answer from each drop-down menu.The total area of the three triangles is square units.The

If Fran were to paint her living room alone, it would take 6 hours. Her sister Denise could do the job in 8 hours. How many hours would it take them working together? Express your answer as a fraction reduced to lowest terms, if needed.

Answers

It would take Fran and Denise (working together) approximately \(\frac{24}{7}\) hours to paint the living room.

To solve this problem, we can use the concept of "work rates."

Let's find out how much work Fran and Denise can do individually in one hour.

If Fran takes 6 hours to paint the living room alone, her work rate is \(\frac{1}{6}\) of the room per hour \((\frac{1 room}{6 hours } = \frac{1}{6}room/hour )\).

Similarly, if Denise takes 8 hours to paint the living room alone, her work rate is \(\frac{1}{8}\) of the room per hour \((\frac{1 room}{8 hours } =\frac{1}{8}room/hour )\).

When they work together, their work rates are additive.

So, their combined work rate would be:

\(\frac{1}{6} room/hour+\frac{1}{8} room/hour\)

\(=(\frac{4}{24} )room/hour + (\frac{3}{24} )room/hour\)

\(=\frac{7}{24} room/hour\)

This means that working together, Fran and Denise can paint \(\frac{7}{24}\) of the living room in one hour.

To determine the total time required for them to paint the entire room, we can invert their combined work rate:

\(\frac{(1 room) }{(\frac{7}{24}room/hour) } =\frac{24}{7}hour\)

Therefore, it would take Fran and Denise (working together) approximately \(\frac{24}{7}\) hours to paint the living room.

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3x +21 6x-60 find the value of x 25 26 27 28 will.mark brainest​

Answers

Answer:

Heloo

Step-by-step explanation:

Simplifying

3x + 21 = 6x + -60

Reorder the terms:

21 + 3x = 6x + -60

Reorder the terms:

21 + 3x = -60 + 6x

Solving

21 + 3x = -60 + 6x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-6x' to each side of the equation.

21 + 3x + -6x = -60 + 6x + -6x

Combine like terms: 3x + -6x = -3x

21 + -3x = -60 + 6x + -6x

Combine like terms: 6x + -6x = 0

21 + -3x = -60 + 0

21 + -3x = -60

Add '-21' to each side of the equation.

21 + -21 + -3x = -60 + -21

Combine like terms: 21 + -21 = 0

0 + -3x = -60 + -21

-3x = -60 + -21

Combine like terms: -60 + -21 = -81

-3x = -81

Divide each side by '-3'.

x = 27

Simplifying

x = 27

Answer:

x = 27

Step-by-step explanation:

3x + 21 = 6x - 60

3x - 6x = -60 - 21

-3x = -81

x = 27

Express the function graphed on the axes below as a piecewise function

Express the function graphed on the axes below as a piecewise function

Answers

Answer:

x - 3 for -3 <= x < 0

-2 for 0 < x <= 5

Step-by-step explanation:

I have nothing to explain

please help me ASAP whoever answers first and if it’s correct i’ll give you brainliest no explanation needed !

please help me ASAP whoever answers first and if its correct ill give you brainliest no explanation needed

Answers

Answer:

16

Step-by-step explanation:

Answer:

16

Step-by-step explanation:

LH and KL are the same

Please help, thank you

Please help, thank you

Answers

Answer:

9.42

Step-by-step explanation:

Using the law of Sines we get

\(a = 14 \times \frac{ \sin(41) }{ \sin(77) } = 9.426\)

The angle (77) was found by subtracting 41 and 62 from 180.

180 - 41 - 62 = 77

Answer:

Chapppppppp kid l Hfhssh

what is 0.7283 written in standard form​

Answers

Answer:

0.7283  written

in scientific is: 7.283×10^-1

Step-by-step explanation:

thats what i think but i'm not sure, hope you got it right sweetie!

Answer:

in scientific notation is 7.283×10^-1

Are the figures congruent? Including more questions

Are the figures congruent? Including more questions

Answers

Answer: Hello!

Step-by-step explanation: After measuring the two triangles I can conclude they are congruent!

Finn, tenth grader straight A student.

Have a great day.

Adding (4-7i)+(-11+9i)​

Answers

your answer is -7+16i, because 4-11=-7 and 7i+9i is 16i

If a three-digit number is divided by 5 or by 6, remainder is 1 in each case. What is the least such three-digit number?

Answers

Answer:

The least three-digit number which leaves a remainder of 1 when divided by 5 or 6 is 101.

Step-by-step explanation:

This is because 101 is the smallest three-digit number which is not a multiple of either 5 or 6. To see that 101 is the smallest such number, you can check that 100 and 99 are both multiples of both 5 and 6, and 98 is a multiple of 6.

Kathryn invests $8,327 in a savings account with a
fixed annual interest rate compounded continuously. After
10 years, the balance reaches $18,532.08. What is the
interest rate of the account?

Answers

Answer:

Below

Step-by-step explanation:

The equation to use for CONTINUOUS compounding is :

FV = PV e^(it)

18532.08 = 8327 * e^( i*10)        where i is the interest in decimal form

18532.08/8327  = e^(10i)

2.225541 = e^(10i)             now take natural log  (ln) of both sides to get

.8000 = 10i

i = .08     or 8% interest

How do you solve 5x + 7 = 2x + 1​

Answers

Answer:

x = -2

Step-by-step explanation:

5x + 7 = 2x + 1

subtract both sides by 2x

3x + 7 = 1

subtract both side by 7

3x = -6

divide both sides by 3

x = -2

SOMEONE PLZZZ HELP THIS IS DUE IN 2 MINSSS

SOMEONE PLZZZ HELP THIS IS DUE IN 2 MINSSS

Answers

Answer:

D, and C sorry if I'm wrong

I need help with B find the roots

I need help with B find the roots

Answers

Answer:

-1 and 3

Step-by-step explanation:

The roots of the quadratic function can be determined by \(f(x')=0\) where x' is the roots of the quadratic function. In that graph, x = -1 and x = 3 makes the value of f(-1) = 0 and f(3) = 0. So, x = -1 and x = 3 are the roots of the f(x).

công thức đạo hàm của ln(u) = ?

Answers

Answer:

U'/U

Step-by-step explanation:

What is the nth term rule to -4 -1 2

Answers

Answer:

-8

Step-by-step explanation:

I NEED HELP WITH THESE QUADRATIC FUNCTIONS PLEASE !!

I NEED HELP WITH THESE QUADRATIC FUNCTIONS PLEASE !!

Answers

Answer: Hey, I can help. Which problem?

Step-by-step explanation:

1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 QUESTION 1 [24] Gavin Pillay is employed at Maritzburg Engineering, a Steel manufacturing company in Pietermaritzburg. Below is a copy of his Payslip. 1. 3201 Company Maritzburg Engineering cc 21 Halsted Road Pietermaritzburg Employment No 105 Id Number Income Basic Salary Overtime M Gross Salary Maritzburg Engineering cc Employee Name Gavin Pillay Period 31/05/2023 Sex Male 790128514088 R8700 R1200 A Status Married Deductions PAYE UIF Total Deductions Net Pay 1200 87 B C Name the Employee? What does UIF stand for? Show by calculation that the UIF paid by Gavin is calculated correctly Which month is this Payslip for? Calculate the missing values A to C How old is Gavin this year? Give the address of Gavin's work place. Gavin would like to contribute towards a Pension fund (7,5% of his Basic Salary). H would this affect his net salary?​

Answers

If Gavin contributes towards a Pension fund (7,5% of his Basic Salary), then his net salary will be reduced by the amount he contributed towards pension fund i.e. R652.5.

1.1 Name of employee is Gavin Pillay. 1.2 UIF stands for Unemployment Insurance Fund. UIF is a benefit to provide short-term relief to workers who lose their jobs, or can't work due to illness, maternity or adoption leave. 1.3 The UIF paid by Gavin is calculated correctly.

Firstly, we need to calculate Gross Salary of Gavin, which is given as: Basic Salary + Overtime + M = R8700 + R1200 + R3201 = R13101Then, calculate total deductions from gross salary.

Total Deductions = PAYE + UIF = R1200 + 87 = R1287Hence, Gavin's net salary = Gross salary - Total Deductions = R13101 - R1287 = R11814Therefore, UIF paid by Gavin is calculated correctly as R87.1.4 This payslip is for the month of May i.e.

31/05/2023.1.5 Basic salary of Gavin = R8700. Deduct 7.5% of his basic salary to calculate his pension fund contribution. Pension Fund Contribution = 7.5/100 x R8700 = R652.5.1.6

Total deductions of Gavin includes PAYE, UIF and pension fund contribution.

Therefore, Total Deductions = PAYE + UIF + Pension Fund Contribution = R1200 + R87 + R652.5 = R1939.5.1.7

Gavin's age can not be determined as his date of birth is not provided.1.8 Address of Gavin's workplace is 21 Halsted Road, Pietermaritzburg?

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A pharmaceutical sales representative gets paid $50,000 annually plus
3.5% commission on total sales. This year he sold $420,000 in
pharmaceuticals. What are his annual total earnings?

Answers

100% = $420,000

3.5% = 3.5/100 × 420,000

= $ 14,700

Commission he earned = $14,700

Annual total earnings= $50,000 + $14,700

= $ 64,700

Answer:

14,500

Step-by-step explanation:

HELP ME raaaaaaaa NOWWWWWWWWWW

HELP ME raaaaaaaa NOWWWWWWWWWW

Answers

Answer:

C: EAF Is the correct answer

I think the answer is c

Evaluate: f(x) = 2x^2 + 6x - 4; f(-5) *

Answers

I think the answer is 16!!! Please mark brainliest if correct :-)

Find the measure of angle A

Pls help

Find the measure of angle APls help

Answers

Step-by-step explanation:

x+85+x+44+63=180(sum of angles of a triangle)

or,2x+192=180

or,2x=180-192

or,x=-12

Angle A=x+44

=-12+44

=32°

Give brainliest plse .

PLSSS HELP ME THIS WOULD MEAN A LOT :((

PLSSS HELP ME THIS WOULD MEAN A LOT :((

Answers

Answer:

Option D

Step-by-step explanation:

Increasing intervals represent  the inputs that make the graph  rise, or the intervals where the  function has a positive slope.  Decreasing intervals represent the inputs that make the graph  fall, or the intervals where the  function has a negative slope.

The inputs ( − values) that make () rise are

(-2,∞)

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