Use foil method to find (w+5)(w^2+3w)

Answers

Answer 1
First
Outer
Inner
Last


(w + 5)(w^2 + 3w)

F (w)(w^2) = w^3 add the exponents

O (w)(3w) = 3w^2

I (5)(w^2) = 5w^2

L (5)(3w) = 15w


New expression: w^3 + 5w^2 + 3w^2 + 15w

Combine like terms.


Final answer: w^3 + 8w^2 + 15w

Related Questions

what percent of 66 is 13 help please​

Answers

Answer:

200

Step-by-step explanation:

so the expression is what is 66 is 13% of what number ( i think)

first turn the percent into a decimal by divided it by 100

33/100 = 0.33

because we are trying to find the whole we divide the given part by the decimal so,

66/0.33 =200, so

66 is 13% of 200

Pleaseee answer correctly !!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

Now how did I find the translation rule ( x - 1, y + 4). Well basically, I did was

8 - 9 = -1

-4 - (-8) = 4

Now if you use the same translation rule for (9, -8), you will get :-

(x - 1, y + 4)

( 9 - 1, -8 + 4)

( 8, -4)

I get the same answer that is given in the problem.

Hope this helps, thank you !!

Solve the equation




Please help and thank you

Answers

Answer:

x=2

Step-by-step explanation:

First you add 1/4 to both sides this cancels it out on the left and makes 1 on the right. Secondly you divide by 1/2. 1 divided by 1./2 is 2.

Answer:

x = 2

Step-by-step explanation:

To solve:

[tex]\frac{1}{2} x =\frac{3}{4} +\frac{1}{4}[/tex]

[tex]\frac{1}{2} x = \frac{4}{4}[/tex]

[tex]\frac{1}{2} x = 1[/tex]

[tex]x = 1 x 2[/tex]

x = 2

Hope it helps!

I WILL MARK BRAINLIST please help

Answers

Answer:

9

Step-by-step explanation:

45 devided by 5 = 9

Answer:

Step-by-step explanation:

As Area of Rectangle - length * width

As given Area =45  , width = 5  length =x

Hence putting in formula we get ,

45 =5*x

x=9

I need help with this question for my math hw. Please Help!

Answers

9514 1404 393

Answer:

  1. 2x +2y = 310; x -y = 55

  2. y = 50, x = 105

Step-by-step explanation:

Let the numbers be represented by x and y. Double the numbers would give 2x and 2y. We're told the sum of the doubled numbers is 310, so one equation is ...

  2x + 2y = 310

The difference of the numbers is (x-y). We're told that difference is 55, so the other equation is ...

  x - y = 55

__

We can divide the first equation by 2, and subtract the second.

  1/2(2x +2y) -(x -y) = 1/2(310) -(55)

  2y = 100 . . . . . . . simplify

  y = 50 . . . . . . . . . divide by 2

  x -50 = 55   ⇒   x = 105 . . . . use the second equation to find x

The two numbers are 105 and 55.

F(x)=3x+2, if you are asked to find f(4), what does this mean?

Answers

Answer:

you substitute x for 4

Step-by-step explanation:

so its f(x) and f(4) so you use 4 for x so you would solve f(x)=3(4)+2

Substitute x for 4
For example: f(4)=3(4)+2
So f = 7/2
F = 3.5

Simplify the expression x^-4/5 * x^7/8

Answers

Answer:

x^3/40

Step-by-step explanation:

add the exponents

Work at a convenience store 60% of your time, and earn $11.00 an hour. Referee games at your city park 25% of your time, and earn $19.00 an hour. Do your elderly neighbor’s housework 15% of your time, and earn $16.00 an hour. What will your average hourly wage be? Enter your answer up to two decimal places.

Answers

Answer:

13.75

Step-by-step explanation:

The expected value of the hourly wage is the sum of the probabilities (percentage of time spent on each job) multiplied by the payoff (money earned) from each possible occurrence (job):

(0.6 × 11) + (0.25 × 19) + (0.15 × 16) = $13.75.

Un elev a depus la banca suma de 250 lei. Știind ca banca oferă dobânda anuala de 1%,iar stația impozitează dobânda cu 16%,aflati ce suma va avea elevul după un an de depunere.

Answers

Răspuns:

292,50

Explicație pas cu pas:

Dobânda totală% = (1% + 16%) = 17% = 17/100 = 0,17

Suma principală depusă, P = 250

Suma totală, A după 1 an poate fi calculată astfel:

A = P (1 + rt)

Unde ; r = rata dobânzii; t = timp

A = 250 (1 + (0,17 * 1))

A = 250 (1,17)

A = 292,5

Alan has forgotten his 4-digit PIN code.
He knows the first digit is odd, and the third digit is 3.
How many different sets of 4 digits could it be

Answers

25 if im not wrong......

In a survey 2,500 of people who owned a certain type of​ car, 625 said they would buy that type of car again. What percent of the people surveyed were satisfied with the​ car?

Answers

Answer:

25%

Step-by-step explanation:

625/2500 = 0.25 = 25%

Can someone please help.!

Answers

Answer:

C

Step-by-step explanation:

this is because this is the only value that will yield 40 when you have 0 as a x value

40(1/4) to the 0

which is 40*1=40

if my answer helps please mark as brainliest.

Answer:

C. 40(0.25)^x

Step-by-step explanation:

Given that it is an inverse function we can see that when x = 0, y = 40 and when x = 1, y = 10. Then you look for which function fits the criteria, given that only 40(0.25)^x does it is C.

what is the answer please help me

Answers

Answer:

e/g

Step-by-step explanation:

It's e/g cosine is always the adjacent side divided by the hypotenuse

HIIIOO can someone please help me! I miss class and I don’t know what we learned about❤️

Answers

Answer:

The answer is C

Step-by-step explanation:

I got this by these steps:

1. Since you have the transversal FH you know that H is going to equal 180

2. So all you do know is subtract 180-82

3. You get 98

4. M<FHJ is 98

Hope that helps

Answer:

=28

Step-by-step explanation:

since its made of two triangles, you can calculate one of the triangles and multiply by two

the degrees of a triangle is 180 degrees

70+82= 152

180-152= 28

can i get brainiest plsss

show work please
A runner is running up a 30 mile steep hill. He passes a sign that says the road is at an
incline of 15° with bottom of the hill, how high is the top of the hill? Round your answer to
the nearest tenth.

Answers

Answer:

Step-by-step explanation:

sin15=h/30

h=30sin15

h=7.8 mi

Please help me on this!
Show work please!

Answers

Answer:

Use M A T H W AY

trust me its goated

ASAP I DONT KNOW HOW TO DO THIS.

WILL GIVE A LOT OF POINTS


(COMMON CORE)

ASAP

Answers

Answer:

What's the question? You only gave us the equations, we have no idea what its asking

Step-by-step explanation:

Answer:

The paper is right.

Step-by-step explanation:

The fraction is [tex]\frac{4}{5}[/tex] multiplied by [tex]\frac{3}{3}[/tex] and the answer is [tex]\frac{12}{15}[/tex]. How did it do that? Well, the numerator (top number),4, was multiplied by the other numerator ,3, which is 12. The same thing with the denominator (bottom number), the denominator,5, was multiplied by the other denominator ,3, which is 15. But as seen in the paper, the fraction

Charlotte has a piece of yarn in her craft kit. She uses 3/8
of the length of the yarn to make a bookmark. What part of the yarn is left?

Answers

Answer:

5/8

Step-by-step explanation:

8/8-3/8=5/8

A. 28
B.30
C.15
D.20

Answers

Answer: B

Step-by-step explanation:

30 times 1 equals 30 and there are no other values

7(2 + 6 – 4d) = pl help me I don’t get it

Answers

Answer:

Step-by-step explanation:

1. 1 Simplify  2+6-4d to  -4d+8.

7 ( -4d + 8)

therefor, the answer is, 7( -4d + 8)

Answer:

7(2 + 6 - 4d) = 7(8 - 4d) = (56 - 28d)

Step-by-step explanation:

There is no possible answer to this equation but this is the most accurate equation, since you cant go any further, this is your simplified form.

HELP I NEED HELP ASAP

Answers

Answer:

I think it's A

Step-by-step explanation:

the line is going up and the more it goes up it looks like it will be 2.5

Robin braided g inches of a friendship bracelet. Olivia braided 12 less than 1/3 the number of inches Robin braided. Select all of the expressions that represent the total number of inches braided by Robin and Olivia.


A. 2/3g - 12

B. 4/3g - 12

C. 4(1/3g - 3)

D. 1/3(4g - 36)

E. g + ( 1/3g - 12)

Answers

Answer: C. [tex]4(\dfrac13g-3)[/tex]

Step-by-step explanation:

Given: Robin braided g inches of a friendship bracelet.

Number of inches braided by Olivia = [tex]\dfrac13g-12[/tex]

The total number of inches braided by Robin and Olivia = Number of inches braided by  Robin + Number of inches braided by Olivia

[tex]=g+\dfrac13g-12\\\\=\dfrac43g-12\\\\\=4(\dfrac13g-3)[/tex]

The total number of inches braided by Robin and Olivia = [tex]4(\dfrac13g-3)[/tex]

Hence, C. is the correct option.

Find the slope of the line
Y=1/4x+2

Answers

The slope is 1/4 and 2 is the y intercept

The slope is 1/4 and 2 is the y intercept

Step-by-step explanation:

I will give brainliest if correct !!

Answers

Answer:

126 :)

Step-by-step explanation:

Answer:

Step-by-step explanation:

first find angle ∠U,

As sum of angle in triangle = 180°

Now ∠U+∠V+∠W=180°

88°+38°+∠U=180°

∠U=54°

Now total horizontal line = 180°

∠NUV=180°-54°=126°

Which of the following describes the correct first step in solving the equation 2x - 7 = 5?

Answers

Answer:

you need to post a picture of the options, but the answer is add seven to both sides.

Step-by-step explanation:

Answer:

add 7 to 5

Step-by-step explanation:

1. 2x - 7 = 5  

2. 2x = 5 + 7     (reverse the 7)

3. 2x = 12          (simplify)

4. 12/2               (divide number by the unknown value)

5. x= 6           (solve?)

6. 2(6) - 7 = 5    (CHECK)

I will do anything just no fake answers please

Answers

Answer:

it's b

Step-by-step explanation:

the reason it's b is because conduction happens when something hot comes in contact with something cold which heats the cold thing up and cooling the hot thing eventually they will both be room temperature

would it br no solution bc the lines are parallel?

Answers

Answer:

Yes

Step-by-step explanation:

The solution to the system of equations shown with a graph is the point where the two lines intersect. Because the lines are parallel they do not intersect, meaning there is no solution.

Evaluate 2x + 4 if x=5. Please help me I will give your 5 stars !!!

Answers

Answer:

14

Step-by-step explanation:

2(5)+4

10+4

14

Answer:

2x + 4

x = 5

2(5) + 4

10 + 4

14

Answer is 14.

Step-by-step explanation:

Just substitute 5 for x :)

A battery company claims that it's AA batteries last an average of 16 hours with a standard deviation of 1.5 hours

Answers

Answer:

The claim can be determined by the probability method which will determine the percentage of battery lasting to an average of 16 hours.

Step-by-step explanation:

Probability method in statistics helps to determine the percentage of an event in certain circumstances. In the given scenario the claim is made that battery lasts an average of 16 hours. This claim can be verified by the probability check though standard deviation from the observation.

What is 3.14*5*67+4.678

Answers

3.14x5x67+4.678= 1056.578
Hope this helps :)

Answer:

1056.578 is the answer

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