Which of the following is equivalent to this expression?-3x(-y+4)


-12x-3xy


-12x+3xy


12x+3xy


12x-3xy


-12x-3xy


-12x+3xy


12x+3xy


12x-3xy

Answers

Answer 1

Answer:

The answer is A

Step-by-step explanation:

Hope it helps!


Related Questions

solve for x.

- 6 ≥ 10 - 8 x

Answers

Answer:

[tex]x \geqslant 2 \: \: \: \: or \: \: \: \: 2 \leqslant x \\ [/tex]

Step-by-step explanation:

[tex] - 6 \geqslant 10 - 8x \\ - 6 - 10 \geqslant - 8x \\ - 16x \geqslant - 8x \\ \frac{ - 16}{ - 8} \leqslant x \\ 2 \leqslant x[/tex]

Answer:

x ≥ 2

Step-by-step explanation:

-6 ≥ 10 - 8x

=> 8x - 6 ≥

=> 8x ≥ 10 + 6

=> 8x ≥ 16

=> x ≥ 16/8

=> x ≥ 2

Find the slope of the line that passes through the points (9, -2) and (-3. -2). Write the equation in
slope-intercept form.

Answers

Answer:

slope: zero/none

equation: y = -2

Step by Step:

1) find the slope - change in y / change in x

-2+2/9+3

0/12

0 <- zero slope = no slope

2) plug in and solve for y-intercept

( -3, -2 )

-2=(0*-3)+b

b=-2

because the slope was zero, we know that it's a horizontal line

therefore the only equation we can get from this is a y= equation

3) plug in values to get equation

y = -2

slope is zero

12+15-3
Please show me the steps cuz im very confused. I hate math and ive a test for this tomorrow

Answers

Answer:

24

Step-by-step explanation:

Add 15 to 12 which is 27 then subtract 3 from 27 which gives you 24

Answer:

it's 24

Step-by-step explanation:

first add up the 12 and 15 that equals 27 now subtract 3 that's going to be 24

The number T of teams that have participated in a robot-building competition for high-school students over a recent period of time x(in years) can be modeled by T(x) = 17.155x^2 + 193.68x + 235.81, 0 ≤ x ≤ 6.

After how many years is the number of teams greater than 1000? Justify your answer.

Answers

Solving the quadratic equation, it is found that the number of teams is greater than 1000 after 3.1 years.

The number of teams after x years is given by:

[tex]T(x) = 17.155x^2 + 193.68x + 235.81[/tex]

Initially, there are T(0) = 236 teams. If will 1000 be when T(x) = 1000, thus:

[tex]17.155x^2 + 193.68x + 235.81 = 1000[/tex]

[tex]17.155x^2 + 193.68x - 764.19 = 0[/tex]

Which has coefficients [tex]a = 17.155, b = 193.68, c = -764.19[/tex], then:

[tex]\Delta = (193.68)^2 - 4(17.155)(-764.19) = 89950.66[/tex]

[tex]x_{1} = \frac{-193.68 + \sqrt{89950.66}}{2(17.155)} = 3.1[/tex]

[tex]x_{2} = \frac{-193.68 - \sqrt{89950.66}}{2(17.155)} = -14.3[/tex]  

We want the positive root, so the number of teams is greater than 1000 after 3.1 years.

A similar problem is given at https://brainly.com/question/10489198

Solve each proportion; ( show your work )

1. 6/7 = ?/42

2. 12/8 = 30/?

Answers

Answer:

6/7 = 36/42

12/8 = 30/20

Step-by-step explanation:

(6*?) / (7*6) = ?/42

(6*6) / (7*6) = 36/42

(12*2.5) / (8*?) = 30/?

(12*2.5) / (8*2.5) = 30/20

Hope this helps!

h(x)=x2-x;h(5) find function

Answers

Answer:

h(5) = 20

Step-by-step explanation:

Assume that '2' is an exponent.

So the question for you should be:-

[tex] \displaystyle \large{h(x) = {x}^{2} - x}[/tex]

We want to find h(5); we substitute x = 5 in.

[tex] \displaystyle \large{h(x) = {5}^{2} - 5}[/tex]

5^2 is 5•5 = 25.

[tex] \displaystyle \large{h(x) = 25 - 5} \\ \displaystyle \large{h(x) = 20}[/tex]

Therefore, h(5) is 20.

A fierce guard dog is tethered by a 15 m chain to a post that is 6 m from a straight path. For what distance along the path is a trespasser in danger from the dog?​

Answers

The distance from the road where an intruder would be in danger is 27.48 m.

To know how far from the road an intruder is in danger due to the dog, it is necessary to carry out the following procedure:

Establish the range of the dog with a circle of 15 meters in radius around the post on which he is tied.

In this part it can be inferred that a part of the path is in the range of the dog between points B and D (In this area the intruder would be in danger)

From this we know the following data:

Length AB = 15mLength AD = 15mLength AC = 6m

To know the length of points BC and CD we must perform a calculation using the formula of the Pythagorean theorem.

BC = [tex]\sqrt{15^{2} - 6^{2} }[/tex]BC = [tex]\sqrt{225-36}[/tex]BC = [tex]\sqrt{189}[/tex]BC = 13,74 m

Later we use the same procedure to find the length CD.

CD = [tex]\sqrt{15^{2} - 6^{2} }[/tex]CD = [tex]\sqrt{225-36}[/tex]CD = [tex]\sqrt{189}[/tex]CD = 13,74 m

Finally, we add both lengths (BC + CD) to know the distance in which an intruder is in danger within the dog's range.

BC + CD = BD = 27,48 m

Learn more in: https://brainly.com/question/14930619

Michael walks a group of dogs 3 miles every day. The graph below shows the relationship between the number of dogs in the group and the distance he walks the dogs each day​

Answers

Can you please add the graph, plus the question?

hhhhhjklllkbvcccccgghhhjjughujhbhj

Answers

Step-by-step explanation:

give me brainly lsssssss

Multiply.Enter your answer in scientific notation.
(7x 10^*13)(3.39 x 10^*5)=

Answers

(7⋅ 3.39)(10^*13⋅10^*5)

Multiply 7 by 3.39.
23.73 ( 10^*13⋅10^*5)


23.73• 10^*13+5^*

Add 13 &5
23.73•10^*18

Scientific notation= 2.373 • 10^*19

I hope it helps you

There's a roughly linear relationship between the length of someone's femur (the long
leg-bone in your thigh) and their expected height. Within a certain population, this
relationship can be expressed using the formula h = 63.4 +2.41f, where h
represents the expected height in centimeters and f represents the length of the
femur in centimeters. What is the meaning of the f-value when h=123?

Answers

Answer:

24.73

Step-by-step explanation:

h=63.4+2.41f

h=123

123=63.4+2.41f

59.6=2.41f

24.73=f

If the value of h is 123. Then the length of the femur will be 24.73 centimeters.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

The linear equation is given below.

h = 63.4 + 2.41 f

Where h represents the expected height in centimeters and f represents the length of the femur in centimeters.

If the value of h is 123. Then the f-value is given as,

123 = 63.4 + 2.41 f

2.41 f = 59.60

f = 24.73 cm

Assuming that the worth of h is 123. Then, at that point, the length of the femur will be 24.73 centimeters.

More about the linear equation link is given below.

https://brainly.com/question/11897796

#SPJ2

Find the distance between the points (–4, 6) and (–1, 5).

Answers

Answer:

√10 . May be this can help.

please i need ASAPPPPP ILL GIVE BRAINLIEST!!!!

Hans baked 51 cookles. His family ate m of them. Using m, write an expression for the number of cookles that remained. + ローロ ロメロ​

Answers

Answer:

[tex]51-m=n[/tex]

Step-by-step explanation:

M - Number of cookies his family ate

N - The remaining number of cookies left

A student is running a 10-kilometer race. He runs 1 kilometer every 4 minutes. Select the function that describes his distance from the finish
minutes.
O f(x)=x+4
O f(x)=- tox+4
O f(x)=-*x+10
O f(x)=-*x+10


Please Real answers only, i beg you.

Answers

It’s the last answer:

f(x) = -(1/4)x+ 10

The plus 10 represents the 10km away he is at the start, and the -(1/4)x shows he is running 1/4 of a km closer to the finish every minute.

Complete the table.
f(x) = x - 1
х f(x)
3
4
5
6
Submit

Answers

Answer:

[tex]f(x) = x - 1 \\ f(3) = 3 - 1 = 2 \\ f(4) = 4 - 1 = 3 \\ f(5) = 5 - 1 = 4 \\ f(6) = 6 - 1 = 5[/tex]

Answer:

See attached photograph

Step-by-step explanation:

It is a simple matter of subtracting 1 from the given x value. For example, when x=3 we need to subtract 1 away from it to find f(x); so, f(x)=2.

Side note: the term "f(x)" means "y", so when plotting this information on a graph, you will use the f(x) column as your y value.

4. Michael observed he felt the pain of losing a $20 bill more than he felt the joy of finding it on the sidewalk the
week beforeThis is a result of...
Sunk cost

Overconfidence

Endowment effect

Answers

Answer:

Endowment effect

Step-by-step explanation:

Michael observed he felt the pain of losing a $20 bill more than he felt the joy of finding it on the sidewalk the week before.

This is a result of the endowment effect.

Given,

Michael observed he felt the pain of losing a $20 bill more than he felt the joy of finding it on the sidewalk the week before.

We need to find whether it is a result of

- Sunk cost

- Overconfidence

- Endowment effect

What are the endowment effect and Sunk cost?

The endowment effect is the effect of placing a higher value on an object

they own than the value on the same object they did not own.

The sunk cost is a cost that has already been incurred and that cannot be

recovered.

We have,

Michael observed he felt the pain of losing a $20 bill more than he felt the joy of finding it on the sidewalk the week before.

Here,

We are talking about the same item $20.

Losing $20 is losing what Michael owns.

Finding $20 on the sidewalk is not what Michael owns.

And the pain of losing $20 which he owns is more than the joy of finding it on the sidewalk so,

The Endowment effect is found here.

Thus,

Michael observed he felt the pain of losing a $20 bill more than he felt the joy of finding it on the sidewalk the week before.

This is a result of the endowment effect.

Learn more about the endowment effect here:

https://brainly.com/question/15100112

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Make my life easier and do 5-7 please.

Answers

Answer: 5. -64 6. 81 7. 144

Step-by-step explanation:

5. -4 x -4 = +16. +16 x -4 = -64

6. -3 x -3 = 9. 9 x -3 = -27. -27 x -3 = 81

7. kiera + 11 of her friends = 12 people total if 12 people each give fliers to 12 people, its 12 x 12 which is 144

Answer:

(-4)³; (-3)⁴; 12²

Step-by-step explanation:

Q5-4 * - 4* - 4 = (-4)³Q6-3 * -3 * -3 * - 3 = (-3)⁴Q7

Each 12 people gives 12 fliers to others. The number of people who gets fliers is:

12 * 12 = 12²

[tex]x^{2} -25+24[/tex]

Answers

Answer:

(x-24)(x-1)

Step-by-step explanation:

common sense + practice

kinda did it in my head

An engineer earns $108 000 annually. Deductions
of $3 975 are made each month.
Calculate:
(a) his gross monthly salary
(b) his net monthly salary

Answers

Answer:

9,000

5,025

Step-by-step explanation:

Select the correct answer.
Consider these functions:
f(x) = x + 1
g(x)= 2/x
Which polynomial is equivalent to (fºg)(x)?

Answers

Answer:

C. 2/x +1

Step-by-step explanation:

Can someone help pls I got confused

Answers

#1

x=46°(Opposite interior angles)

#2

[tex]\\ \sf\longmapsto x+68=180\implies x=180-68=112°[/tex]

#3

x=111°(Corresponding interior angles)

#4

x=37°(Opposite angles)

#5

x=58°(Opposite interior angles)

#6

x=175°(Corresponding interior angles)

#7

x=25°(Corresponding interior angles)

Answer:

Hey there,

(1) x = 46° ( Alternative angles are equal)

(2)  x + 68 = 180 ( Interior angles are added up to 180° )

     x = 112°

(3)  x = 111° (  Corresponding angles are equal)

(4)  x = 37° ( Opposite angles are equal )

(5)  x = 58° ( Alternative angles are equal )

(6) x = 175° ( Corresponding angles are equal )

(7)  x = 26° ( Corresponding angles are equal )

Hope this helps you

Let me know if you have any other questions :-)

i need help with algebra 2 pleasee

Answers

Answer:

[tex]x=\pm \sqrt{21}/7[/tex]

Step-by-step explanation:

We can add 9 to both sides of the equation to get [tex]21x^2=9[/tex].

We can divide both sides of the equation by 21 to get [tex]x^2=9/21[/tex].

We take the square root of both sides of the equation to get [tex]x=\pm \sqrt{9/21}[/tex].

However, that isn't in the form we need.

We know that [tex]\sqrt{9/21}=\sqrt{9}/\sqrt{21}=3/\sqrt{21}=3\sqrt{21}/(\sqrt{21}*\sqrt{21})=3\sqrt{21}/21=\sqrt{21}/7[/tex]

so the answer is really [tex]x=\pm \sqrt{21}/7[/tex] and we're done!

William is saving up to buy a new phone. He already has $23 and can save
an additional $8 per week using money from his after school job. How
much total money would William have after 10 weeks of saving? Also,
write an expression that represent the amount of money William have
saved in w weeks.

Answers

Step-by-step explanation:

current Amount of money 23

8x10=80

80+23=103

William will have 103$ after 10 weeks

3x + 6 =

plss help me with this

Answers

Answer:

3× + 6

3+6=9

9×3=3

Finish

Answer:

3

(

+

2

)Step-by-step explanation:

1. Refer to the equation 2x − 4y = 12.
(a) Create a table of values for at least 4 points. Show your work on how you found the values for each coordinate pair, and validated the points were on the line.

Work for Point 1



Work for Point 2



Work for Point 3



Work for Point 4

Answers

Answer:

1a

2d

3I

4j

5b

6o

7q

Step-by-step explanation:

Two-thirds of the students in your class are boys. One eighth of the boys play soccer what fraction of the kids in your class are boys who play soccer





Math period 4 — 9th Grade

Answers

Answer:

7 of the kids in your class play

Step-by-step explanation:

Hope this helps you :)

Write an equation with infinitely many solutions that has the Expression 3x+6 on the left side of the equal side. Demonstrate that your equation has infinitely many solutions.​

Answers

3x+6=3x+6 I think that is how you do it but I’m really bad at math

A local restaurant serves breakfast. They use 124 cups of pancake mix every hour. It takes 114 cups of mix to make one pancake. The pancakes are all equal in size.About how many pancakes can the restaurant make in two hours?

Answers

Answer:

198 pancakes.

Step-by-step explanation:

Answer:

198

Step-by-step explanation:

Plz I need help will rate 5 stars

Answers

Answer:

The answer is :

8

.......

5 divided by 29.95 show work please ​

Answers

Answer:

5.99

Step-by-step explanation:

Do the division by doing:

0 5. 9 9 0

---------------------------------

5  |    2  9. 9 5 0

− 0        

 2 9      

− 2 5      

   4 9    

 − 4 5    

     4 5  

   − 4 5

       0 0

     −   0

         0

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