PLZ HELP!!

Given the expression: 3x10 − 48x2

Part A: Rewrite the expression by factoring out the greatest common factor. (4 points)

Part B: Factor the entire expression completely. Show the steps of your work. (6 points)

Answers

Answer 1

3*10 = 30 - 48*2 = 96

30 - 90

= -60

Answer 2

Answer:

If you want free brainliest, click on my profile piture, go to my answers, and look for the one that says give my brainly you will get free brainly!!

Step-by-step explanation:


Related Questions

Natan's family spent 2 1/4 hours visiting a national monument near their home. They watched a video in the visitor's center for 1/3 of that time. How much time did they spend watching the video?​

Answers

Answer:

3/4 h

Step-by-step explanation:

The answer above is right

3. A box containing 90 oz. of cereal cost $4.50. What is the price per ounce

Answers

Answer: 0.05$ per ounce

Step-by-step explanation:

Answer:0.05 per oz.

Step-by-step explanation: divide 4.50 by the oz

Hello, please answer asap, need this done in an hour.

The distance between City A and City B is 500 miles. A length of 1.2 feet represents this distance on a certain wall map. City C and City D are 1.92 feet apart on this map. What is the actual distance between City C and City​ D?

Answers

Answer:

800

Step-by-step explanation:

First what you need to do is find the scale of magnification, which you can do with 500/1.2. You will get 416.6667 as the scale. You then need to multiply the scale by 1.92, which nets you the actual distance of 800 miles.

Hope this helps!

What is the form of the Difference of Cubes indentity?

Answers

Solution:

The difference of cubes identity is

if a and b are any two real numbers, then difference of their cubes, when taken individually:

a³-b³= (a-b)(a² + ab + b²)→→→Option (D) is

true option.

I will show you, how this identity is valid.

Taking RHS

(a-b)(a² +b²+ab)

= a (a² +b²+ab)-b(a² +b²+ab)

= a³ + a b² +a²b -b a² -b³-ab² Cancelling like terms, we get

= a³-b³

= LHS

The​ "fear of negative​ evaluation" (FNE) scores for 11 random female students known to have an eating disorder (1) and 14 random female students who do not have an eating disorder (2) are collected.​ The higher the​ score, the greater is the fear of a negative​ evaluation.

Bulimic Students: 16, 8, 5, 15, 20, 14, 11, 16, 19, 8, 9
Normal Students: 10, 3, 13, 10, 5, 16, 20, 15, 8, 16, 4, 7, 12, 17

Assume the scores are normally distributed. The mean for the 11 students with an eating disorder is 13.82 and standard deviation 4.92. The mean for the 14 students who do not have an eating disorder is 13.14 and standard deviation 5.29.

Required:
a. Find a 95% confidence interval for the difference between the population means of the FNE scores for bulimic and normal female students. (Round to two decimal places as needed.)
b. Interpret the result of the confidence interval.

A. We are 95% confident that the difference in mean FNE scores for bulimic and normal students is outside the confidence interval.
B. We are 95% confident that the difference in mean FNE scores for bulimic and normal students is inside the confidence interval.
C. We are 5% confident that the difference in mean FNE scores for bulimic and normal students is inside the confidence interval.
D. We are 5% confident that the difference in mean FNE scores for bulimic and normal students is outside the confidence interval.

c. What assumptions are required for the interval of part (a) to be statistically valid? Select all that apply.

Answers

Answer:

a. The 95% confidence interval for the difference in mean is C.I. = -3.6 < μ₂ - μ₁ < 4.96

B. We are 95% confident that the difference in mean FNE scores for bulimic and normal students is inside the confidence interval

c.  The assumptions made are;

The variance of the two distributions are equal

Step-by-step explanation:

The given parameters are;

The mean for the 11 students with an eating disorder, [tex]\overline x_1[/tex] = 13.82

The standard deviation for the 11 students with an eating disorder, s₁ = 4.92

The mean for the 14 students who do not have an eating disorder, [tex]\overline x_2[/tex] = 13.14

The standard deviation for the 14 students with an eating disorder, s₂ = 5.29

a. The 95% confidence interval for the difference in mean is given as follows;

[tex]\left (\bar{x}_{1}- \bar{x}_{2} \right )\pm t_{\alpha /2}\sqrt{ \hat \sigma^2 \times\left( \dfrac{1}{n_{1}}+\dfrac{1}{n_{2}} \right)}[/tex]

The pooled standard deviation, is therefore;

[tex]\hat{\sigma} =\sqrt{\dfrac{\left ( n_{1}-1 \right )\cdot s_{1}^{2} +\left ( n_{2}-1 \right )\cdot s_{2}^{2}}{n_{1}+n_{2}-2}}[/tex]

Therefore;

[tex]\hat{\sigma} =\sqrt{\dfrac{\left ( 11-1 \right )\cdot4.92^{2} +\left ( 14-1 \right )\cdot 5.29^{2}}{11+14-2}} \approx 5.13241[/tex]

Where at degrees of freedom, df = n₁ + n₂ - 2 = 25 - 2 = 23 the critical-t = 2.07

\left (13.82- 13.14  \right )\pm 2.07 \times\sqrt{5.13241^2 *(\dfrac{1}/{11}+\dfrac{1}{14}\right)}

[tex]C.I. = \left (13.82- 13.14 \right )\pm 2.07 \times\sqrt{5.13241^2 \times\left(\dfrac{1}{11}+\dfrac{1}{14}\right)}[/tex]

Therefore, we get;

[tex]C.I. = 0.68\pm 4.28[/tex]

C.I. = -3.6 < μ₂ - μ₁ < 4.96

b. Therefore, given that the confidence interval extends from positive to negative, therefore, there is a possibility that there is no difference between the mean FNE scores for bulimic and normal students

B. We are 95% confident that the difference in mean FNE scores for bulimic and normal students is inside the confidence interval

c.  The assumptions made are;

The variance of the two distributions are equal


CAN SOMEONE HELP ME, IT’S WORTH 40 POINTS AND DUE TOMORROW (April 18,2021)

Answers

Answer:

Step-by-step explanation:

1) the formula for the area of the square is:  side^2

2) by solve the square root of the area

3) √81 ; √89

4) the side of the first square is a rational number, in fact Its value is 9, a number that can be expressed as a fraction (9/1).

the side of the second square is irrational, because √89 can‘t be expressed with a fraction, in fact it is a decimal number whose figures don’t repeat.

What value of x makes the equation –7x + 4 – 3x = –2x – 12 true?

Answers

Answer:

x=2

Step-by-step explanation:

To solve this equation combine like terms and move all like terms to the same side. Then, isolate the variable.

First, combine like terms that are on the same side,

-10x+4=-2x-12

Next, move -10x to the other side by adding it to both sides,

4=8x-12

Then, add 12 to both sides as well,

16=8x

Finally, isolate x by dividing the whole equation by 8,

2=x

Answer:

x=2

Step-by-step explanation:

I know the answer is x=2.

First, I set up the equation.

-7x+4-3x=-2x-12

Next, I added like values on each side.

-10x+4=-2x-12

Then, I added 10x to both sides.

4=8x-12

Then, I added 12 to both sides.

16=8x

Next, I divided 8 on both sides.

2=x

To make sure 2 is the true value of x, I inserted 2 to all values of x in the equation. -7(2)+4-3(2)=-2(2)-12. Both sides of the equation are -16. So, 2 is the real value of x in this equation.

Can someone explain how they got the answer please

Answers

Answer:

The answer is B-452.4

Step-by-step explanation:

The formula for volume of a cylinder is V= πr^2h

so you would do 3.14 times 6 squared times 4

6 squared is 36 times 4 equals 144. Then you multiply that by pi, or 3.14 and you get 452.16 round to the nearest tenth and get 452.2

Hope this helps!

Can someone pls help me with these equations

Answers

Answer:

1. y = -2x+5

2. y = 3/4 - 3

3. intercept = -5 slope =  4/3

4. intercept = 1 slope = -1/2

Based on the scatterplot, what is a reasonable expected average selling price of skateboard in 2016?

Answers

Answer:

Last option, $58.50

Step-by-step explanation:

Let's look at the graph, and let's do a simple analysis of the information that it shows.

We can see that in 2009, the price was between $30 and $40.

We can see that as the years pass by, the price increases, such that in the year 2013 the selling price spikes and ranges between a bit less than $50 to a little more than $50.

Then we can only expect that a few years later (in 2016) the price to be larger than $50.

The only option that has a price larger than $50 is the last one, $58.50, then that one is the only option that can be the correct one.

We also could do an exact calculation of this if we had the raw data, but as you can see in the graph, we can not know the exact price of each graphed point (we can only estimate it) so we will not get a nice interpolation by only using the given graph.

Find the area of the circle. Round to the nearest tenth. Help me pls I’m stuck

Answers

Answer:

area = 5.3 m²

Step-by-step explanation:

r = d/2 = 2.6/2

r = 1.3

area = πr² = (3.14)(1.3²) = 5.31 m²

The area of a circle is pi r^2

if the diameter is 2.6m

r=d/2

=1.3

area= 22/7*2.6^2

=21.245m^2

Round to the nearest 10th

=20m^2

Answer:20m^2

please help i really really need help please help me i really really need help please

Answers

2x-4=3x+9
-9-4=3x-2x
-13=x
x=-13

Answer:

2x-4=3x+9

    +4     +4

2x=3x+13

-3x -3x

-x=13

x= -13

Step-by-step explanation:

m∠1 = _°

•70

•50

•90

Answers

Answer:

50°

Step-by-step explanation:

By intersecting secants theorem:

[tex]m \angle \: 1 = \frac{1}{2} (140 - 40) \degree \\ \\ m \angle \: 1 = \frac{1}{2} \times 100 \degree \\ \\ m \angle \: 1 = 50 \degree [/tex]

Answer:

the answer is 50 on od

Step-by-step explanation:

James divided the candy bar
into 4 parts.
He gave 1 part to his friend.​

Answers

Answer:

If he gave 1 part to his friend then he will have 3 parts left. Is that what you needed help on?

tomen puntos y doy corona al primero que comente hola

Answers

Answer:

hewo nice to meet ya

Step-by-step explanation:

hi hello

Answer:

Hola!

*Spanish*

Gracias por los puntos!

can someone please figure this out for me or at least explain this because im lost here

Let f(x)=3x+2, g(x)=x3−3x2+2x+11, and h(x)=x2−3. Perform the following operations.

a) g(-2)=
b) h(-1)=
c) g(x) - h(x)=__x^3 +__x^2+__x+__
d) -2f(x) * h(x)= __x^3+__x^2+__x+__
e) f(h(x)) = __x^2+__x+__
f) f(g(x)) =__x^3+__x^2+__x+__

Answers

Answer:

Step-by-step explanation:

the concepts are confusing of what a function is.   f(x)  seems mysterious , huh

it's just a way to give a label to some set of terms.  Just think of it as a name of a person, but in a generic sense, like   hey "guy"   or hey "gal"  you can address many people that way.  f(x) is doing that same thing addressing by a name,  a set of math terms.  

a)  

in a)  we are addressing the g(x) function and we are also sending that function the number -2 as an input. so find the g(x) function and put in (-2) everywhere that there is an "x" , so

g(x)=[tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+2x + 11

g(-2) = [tex](-2)^{3}[/tex]-3[tex](-2)^{2}[/tex]+2(-2)+11

g(-2) = -8 -3(4) - 4 +11

g(-2) = -8 -12 -4 + 11

g(-2) = -24 + 11

g(-2) = -13

b)  

h(-1)  find the h(x) function and input a negative 1 where ever there is an x

h(x) =

h(-1) = [tex](-1)^{2}[/tex] - 3

h(-1) = 1 - 3

h(-1) = -2

c)

for c)  just combine like terms of the two given functions

g(x) - h(x)  =  [tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+2x + 11 - ([tex]x^{2}[/tex] - 3)

g(x) - h(x)  = [tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+2x + 11 - [tex]x^{2}[/tex] + 3

g(x) - h(x)  = [tex]x^{3}[/tex]-4[tex]x^{2}[/tex]+2x + 14

d)

-2f(x) - h(x) = -2(3x + 2) - ([tex]x^{2}[/tex] - 3)

-2f(x) - h(x) = -6x - 4 - [tex]x^{2}[/tex] + 3

-2f(x) - h(x) = -6x - 1 - [tex]x^{2}[/tex]

-2f(x) - h(x) = - [tex]x^{2}[/tex] - 6x - 1

e)

f(h(x))  this gets a bit more confusing b/c it's  a composition of functions,  that's just a fancy way of saying the functions are nested. one inside the other.

f(x) = 3x + 2

h(x) = [tex]x^{2}[/tex] - 3

plug h(x) in to f(x) where ever there is an x in f(x)   , luckily there is only one x in f(x)  :)

f(h(x)) = 3([tex]x^{2}[/tex] - 3) + 2

f(h(x)) = 3[tex]x^{2}[/tex] - 9 + 2

f(h(x)) = 3[tex]x^{2}[/tex] - 7

f(h(x)) = 3[tex]x^{2}[/tex] + 0x + (-7)  

f)

f(x) = 3x + 2

g(x) = [tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+2x + 11

f(g(x)) = 3([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+2x + 11) + 2

f(g(x)) = 3[tex]x^{3}[/tex]-9[tex]x^{2}[/tex]+6x + 33 + 2

f(g(x)) = 3[tex]x^{3}[/tex]-9[tex]x^{2}[/tex]+6x + 35

Hope that helps :)

One Monday, Oscar sold 15 cups of lemonade. On Tuesday, he sold 5 more cups than he sold on Monday. On Wednesday and Thursday, he sold 25 cups of lemonade. Which graph shows the number of lemonade cups that Oscar sold each day? A) A B) B C) C D) D

Answers

The answer is C..... :)
it’s c hopefully that helps

Question 3 (2 points)
Cars-2-Go rents out cars for a $23.75 rental fee and charges $.35 per mile. Which function rule matches this situation when x = number of
miles and y = total cost?

Answers

Answer:

23.75+0.35x=Y

Step-by-step explanation:

It starts at $23.75. $0.35 is per mile so that means it will have an x. Add the two up and it is y.

Write one-hundred-two-and-eighty-one-hundredths in standard form. A 120.081 B 102.081 C 102.81 D 102.801

Answers

Answer:

Your CORRECT answer will be B

Step-by-step explanation:

It is definantely not A, because it 102, not 120, so it b, c, or d.

102.081 sounds exact, but what about C? You cannot leave out the 0, so that's out too! 102.801? Say it out loud, doesn't make sense! So you have only one answer left, C.

Mark me brainliest!

Using the Substitution Method, find the value of y in the below system of equations?

-2y = 4x – 4
7x = -4y + 10

Answers

Answer:

y = 6

Step-by-step explanation:

-2y = 4x – 4

y = -2x + 2

7x = -4(-2x+2) + 10

7x = 8x-8+10

7x = 8x+2

7x -2 = 8x

-2 = x

plug this into the first equation and the value of y is 6

The value of y using substitution method on the given simultaneous equations is; y = -2

We are given the equations;

-2y = 4x - 4 - - -(eq 1)

7x = - 4y + 10 - - - (eq 2)

From eq 1, divide through by -2 to isolate y;

y = -2x + 2

Substitute -2x + 2 for y in eq 2 to get;

7x = -4( -2x + 2) +10

Expand the bracket to get;

7x = 8x - 8 + 10

7x = 8x + 2

8x - 7x = 2

x = 2

Put 2 for x in y = -2x + 2 to get;

y = - 2(2) + 2

y = -4 + 2

y = -2

Read more about substitution method at; https://brainly.com/question/16863577

solve the 2x-1/4+3x-2/3=25/12​

Answers

Answer:

x=8/15

Step-by-step explanation:

2x-1/4+3x-2/3=25/12

2x+3x=25/12+1/4+1/3

5x=25/12+3/12+4/12

5x=32/12

5x=8/3

x=8/3÷5

x=8/15

Answer: 3 over 5

Step-by-step explanation:

A quality control expert at a pretzel factory took a random sample of 10 bags from a production run of over 500 bags and measured the amount of pretzels in each bag in the sample. The sample data were roughly symmetric with a mean of 450 and a standard deviation of 15 g. Based on this sample, which of the following is a 90% confidence interval for the mean amount of pretzels per bag (in grams) in this production run?
A. 450 ± 4.743
B. 450 ± 7.803
C. 450 ± 8.695
D. 450 ± 15
e. 450 ± 27.495

Answers

Answer:

C. 450 ± 8.695

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 10 - 1 = 9

90% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 9 degrees of freedom(y-axis) and a confidence level of [tex]1 - \frac{1 - 0.9}{2} = 0.95[/tex]. So we have T = 1.8331

The margin of error is:

[tex]M = T\frac{s}{\sqrt{n}} = 1.8331\frac{15}{\sqrt{10}} = 8.695[/tex]

In which s is the standard deviation of the sample and n is the size of the sample.

Confidence interval is sample mean plus/minus margin of error. So

[tex]450 \pm 8.695[/tex]

The correct answer is given by option C.

Put some air in your tires: Let X represent the number of tires with low air pressure on a randomly chosen car. The probability distribution of X is as follows.

x 0 1 2 3 4
Px 0.2 0.1 0.4 0.2 0.1
Compute the standard deviation σX. Round the answer to at least three decimal places.

Answers

Step-by-step explanation:

sorry po hindi ko po alam sagot

A line has a slope of -7 and a y-intercept of (0, 4). Which of the following represents the equation of the line?

Answers

Answer:

i think its =y7x-4

Step-by-step explanation:

Answer:

B.

Step-by-step explanation:

The slope is going to be associated with an “x” and we know that the slope equals -7 so it’s important to add the NEGATIVE sign.

Also, the x-intercept is POSITIVE. It won’t be A because their x-intercept is negative. It won’t be C because their slope is positive. It won’t be D. because they didn’t put -7 as a slope.


A poster has an area of 1,080 in squared.
The poster is 36" tall. What is
the width of the poster?

Answers

Answer:

30

Step-by-step explanation:

A=wl

1080=36w

divided by 36

equals 30

Area is calculated form width times length. In this case the poster’s height is the length. So divide 1080 by 36 to get 30. 30” is the width.

What is the total weight of Dorothys apples

Weight: Number of apples:
1/4. 3
3/8. 6
1/2. 5
5/8. 4
3/4. 2

Work does not have to be included if you decide to do it! I’ll give anyone who does it a lot of points!

Answers

Apples 5/8 , 5

Step By Step explanation

Which expression is equivalent to

Answers

Answer:

The first one.

Step-by-step explanation:

Write the equation of line AB in slope-intercept form, given the points A(0,5) and B(-5,-10) . In your final answer, include all of your calculations.

Answers

Answer:

y = 3x + 5        

Step-by-step explanation:

1) First, find the slope between the pair of points. Use the slope formula [tex]m = \frac{y_2-y_1}{x_2-x_1}[/tex]. Substitute the x and y values of points A and B into the formula and simplify:

[tex]m = \frac{(-10)-(5)}{(-5)-(0)} \\m = \frac{-10-5}{-5-0} \\m = \frac{-15}{-5} \\m = 3[/tex]

So, the slope is 3.

2) Now, identify the y-intercept of the line, or the point at which the line intersects the y-axis. All points on the y-axis have an x-value of 0. We're told that (0,5) is a point the line intersects, and since it has an x-value of 0, that must be the y-intercept.  

3) Using slope-intercept format, represented by the equation [tex]y = mx + b[/tex], write the equation of the line. Remember that the number in place of [tex]m[/tex], or the coefficient of the x-term, is the slope. So, substitute 3 for [tex]m[/tex]. Also, remember that [tex]b[/tex] represents the y-intercept of a line, so substitute 5 in its place, too. This gives the following answer:

[tex]y = 3x + 5[/tex]

Rewrite the equation
A = b x c
B = ?

Answers

Answer:

C ) .   B= A/C

Step-by-step explanation:

A=bxc

A/C=B

A recipe requires cups of milk and flour in the ratio 2 : 6. How many cups of flour are required for each cup of milk?

Answers

2 cups of flour for every 6 cups of milk
Other Questions
Escribe una receta de tu plato espaol favorito usando el imperativo de tplease help me to do this Which civilization began on the island of Crete? why were cowry shells used as currency in central asia and africa CAN SOMEONE HELP ME, ITS WORTH 40 POINTS AND DUE TOMORROW (April 18,2021) Evaluating ExpressionsUse the order of operations to help you solve,56 49X2100 + 5*48 X 12 - 6PLS HELP ASAP (No links)Pls help me ~English ~Ill mark brainliest if correct Find the axis of symmetry of the following parabola algebraically Y=-x^2+14x-41 I only have one more attempt left to get this question right can someone please help and explain also? And can this be done ASAP Thank you:)(No links or I will report) help plz will mark brainliest!!!! plz help this question in the picture above Based on the scatterplot, what is a reasonable expected average selling price of skateboard in 2016? HELP FAST ON TIMERWhen we say that the United States Constitution is the "supreme law of the land" what do we mean?A.This means that the United States Constitution only has laws that govern land and property.B.This means that the laws set forth in the United States Constitution are superior to any laws set by individual states.C.This means that the United States Constitution is more powerful than any other country's constitution.D.This is not a very meaningful sentence and it holds no special significance in the Constitution. Using the Substitution Method, find the value of y in the below system of equations?-2y = 4x 47x = -4y + 10 the children pressed to eachother like so many roses so many weeds intermixed peering out for a look at the hidden sun.The sentence is an example of A .metaphor B.SimileC.Hyperbole D.Allusion Which of the following body systems work together for support, protection, and movement? A. respiratory and cardiovascularB. skeletal and muscularC. skeletal and integumentaryD. digestive and respiratory Is {(0, 2), (3, 8), (4, 2), (3, 6), (1, 8), (8, 3)} a function? Question 3 (2 points)Cars-2-Go rents out cars for a $23.75 rental fee and charges $.35 per mile. Which function rule matches this situation when x = number ofmiles and y = total cost? PLS ANSWERRRRRRead the excerpt from the Gulf of Tonkin Resolution."...These attacks are part of a deliberate and systematic campaign of aggression that the Communist regime in North Vietnam has been waging against its neighbors and the nations joined with them in the collective defense of their freedom...Gulf of Tonkin Resolution, 1964Read the excerpt from the Gulf of Tonkin Resolution."...These attacks are part of a deliberate and systematic campaign of aggression that the Communist regime in North Vietnam has been waging against its neighbors and the nations joined with them in the collective defense of their freedom...Gulf of Tonkin Resolution, 1964----------------------------------------------------------------------------------------------------------------------------Based on this excerpt, what can be concluded about the attitude of the US toward the war?A) Expansion of North Vietnam would not be prevented by armed defense.B) There was more foreign support for North Vietnam than South Vietnam.C) The inaction of South Vietnams allies was a threat to the countrys freedom.D) Domino theory made politicians fear the spread of communism in South Vietnam. One Monday, Oscar sold 15 cups of lemonade. On Tuesday, he sold 5 more cups than he sold on Monday. On Wednesday and Thursday, he sold 25 cups of lemonade. Which graph shows the number of lemonade cups that Oscar sold each day? A) A B) B C) C D) D 4. In three studies, we provided a test of how rudeness affects performance at the workplace. The results were all the same. They showed that rudeness reduced performance on routine tasks, as well as creative tasks. What does this excerpt infer? (10 Points)A. Rudeness should be against the law.B. Rudeness can result in profit loss at the workplace.C. Rudeness happens at every workplace.D. Rudeness doesnt really decrease routine performance tasks. During conflict resolution, it is important to discuss what parts of a plan both sides agree with because it ______. a. Is likely to make your side victorious b. Helps you prove that you are a good communicator c. Establishes a common ground for discussion d. Helps an arbiter agree to choose your plan Please select the best answer from the choices provided A B C D