Mathematics College

Factor this expression completely.
6x^2- 13x - 28

Answers

Answer 1

Answer:

this is the solution

(2−7)(3+4)

Step-by-step explanation:

Answer 2

Answer:

(X+1)(6x-21)

Step-by-step explanation:

6x^2- 13x - 28

6x^2-(21-6)x-28

6x^2-21x+6x-28

X(6x-21)+1(6x-21)

(X+1)(6x-21)

Related Questions

roger is at the bakery. he is thinking of buying 1 ¾ lb of rainbow cookies. rainbow cookies cost $11.50 per pound. how much would the cookies cost?

Answers

Answer:

The cookies would cost $20.125

Step-by-step explanation:

You would mulitply 1 3/4 by 11.50 to get your answer

Answer:

Step-by-step explanation:

11.50 a pound and he buys 1 3/4 a pound.

11.50*1.75= $20.125 or $20.13 if you round.

Last month you had 8 wins while playing fortnight. This month you had 5. What was your percent of change?
I need work shown.

Answers

Answer:

%62.5

Step-by-step explanation:

Im pretty sure you jsut divide 5/8 and then multiply by 100 to get a percent

5/8=.625

.625*100=62.5

%62.5

Which weighs more: a watermelon that weighs 7.5 kilograms or a baby that weighs 12 pounds? Explain your reasoning. (Note: 1 pound is about 0.45 kilograms and 1 kilogram is about 2.2 pounds.)

Answers

Answer:

The watermelon.. I think

Step-by-step explanation:

Multiply 7.5 times 2.2 and you get 16.5, which is greater than 12. Please correct me if wrong on this because everybody makes mistakes.      

what is (8 + 56) ÷ 4 + 3 2?

Answers

um is the end a 3 and 2 or 32 or 3*2?

Answer:

the answer to your question is 48

At the end of a snow storm, Riley saw there was a lot of snow on her front lawn. The temperature increased and the snow began to melt at a steady rate. The depth of snow on Riley's lawn, in inches, can be modeled by the equation S = 13 – t, where t is the time, in hours, after the snow stopped falling. What is the x-intercept of the equation and what is its interpretation in the context of the problem?​

Answers

Answer:

The x-intercept of the function is 13 which represents the number of hours until all the snow has melted.

Step-by-step explanation:

Since there were 0 inches of snow on the lawn after 13 hours, the x-intercept of 13 represents the number of hours after the storm stopped when all of the snow had melted away.

Have a good day :)

The x-intercept of the function is 13 which represents the number of hours until all the snow has melted.

What is coordinate geometry?

A coordinate plane is a 2D plane that is formed by the intersection of two perpendicular lines known as the x-axis and y-axis. A coordinate system in geometry is a method for determining the positions of the points by using one or more numbers or coordinates.

Since there were 0 inches of snow on the lawn after 13 hours, the x-intercept of 13 represents the number of hours after the storm stopped when all of the snow had melted away.

Hence, the x-intercept is 13.

To know more about coordinate geometry follow

https://brainly.com/question/11337174

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A hot air balloon is at 14 feet above sea level, if you remove 7 sandbags, where
would the hot air balloon be? ( 1 feet = 1 sandbag)

Answers

Answer:

21 feet above sea level.

Step-by-step explanation:

If you remove weight, a hot balloon goes up. 14+7(feet) = 21 feet above sea level.

Answer:

21ft

Step-by-step explanation:

What is the equation of the line in slope-intercept form? Enter your answer in the boxes y = __x + __​

Answers

the answer is y=-5x+3 because the -5 is on the x axis and the 3 is on the y axis.

Answer:

y = 3/5x + 3

Step-by-step explanation:

the cement truck can pour 20 pounds of cement I 45 seconds how long will it take the cement truck to pour 150 pounds of cement

Answers

337.5 seconds for 150 pounds of cement to be poured

Put these rational numbers in ascending order: 1/2, 55%, 1/3, 0.52
O 1/2, 55%, 1/3, 0.52
O 55%, 0.52, 1/2, 1/3
O 1/3, 1/2, 0.52, 55%
O 1/3, 0.52, 1/2, 55%

Answers

1/3, 1/2, .52, 55%
I believe that’s the correct answer

Answer:

1/3, 1/2, .52, 55%

Step-by-step explanation:

X intercept for -3x+10

Answers

Answer:

(10/3, 0)

Step-by-step explanation:

(10/3, 0)



how this helps

A rectangle has a perimeter of 32 in. Find the length and width of the rectangle under which the area is the largest.

a. Let the width to be x and the length to be y , then the quantity to be maximized is (expressed as a function of both x and y) A=_____
b. The condition that x and y must satisfy is y=______

Answers

Answer:

Length of the rectangle is 8 in and the breadth is 8 in.

a. [tex]A=xy[/tex]

b. [tex]y=16-x[/tex]

Step-by-step explanation:

Length = x

Breadth = y

Area is given by [tex]A=xy[/tex]

Perimeter of rectangle is given by

[tex]2(x+y)=32\\\Rightarrow x+y=16\\\Rightarrow y=16-x[/tex]

The condition that x and must satisfy is [tex]y=16-x[/tex]

So, area is

[tex]A(x)=x(16-x)\\\Rightarrow A(x)=16x-x^2[/tex]

Differentiating with respect to x we get

[tex]A'(x)=16-2x[/tex]

Equating with zero

[tex]0=16-2x\\\Rightarrow x=\dfrac{16}{2}\\\Rightarrow x=8[/tex]

Double derivative of A(x)

[tex]A''(x)=-2[/tex]

So [tex]A''(x)<0[/tex] which means [tex]A(x)[/tex] is maximum at [tex]x = 8[/tex]

[tex]y=16-x=16-8\\\Rightarrow y=8[/tex]

So length of the rectangle is 8 in and the breadth is 8 in.

LET ME KNOW IF I GOT THEM ALL RIGHT PLS

Answers

Answer:

I think so

Step-by-step explanation:

It’s 0 because they dove down and got it

please help asap question 1 *****

Answers

Answer:

(-6, 3)

General Formulas and Concepts:

Algebra I

Solving systems of equations by graphing

Step-by-step explanation:

Where the 2 lines intersect is the solution set for the systems of equations.

# 5
Write an equation in slope-intercept
form to represent the line parallel to
9x + 3y = 8 passing through the point
(-1,-4).
y = -3x - 1
y = -3x - 7
y = 1/3x + 1/3
y = 1/3X -4

Answers

Answer:

y = -3x - 1

Step-by-step explanation:

it is the only line that passes through the point (-1, -4)

Four members from a 12 ​-person committee are to be selected randomly to serve as​ chairperson, vice-chairperson,​ secretary, and treasurer. The first person selected is the​ chairperson; the​ second, the​ vice-chairperson; the​ third, the​ secretary; and the​ fourth, the treasurer. How many different leadership structures are​ possible?

Answers

Answer:

11880 ways

Step-by-step explanation:

We can solve this problem in two ways. I'm going to show you how to do both.

We have 12 persons and are to choose a chairperson, a vice chairperson, secretary and a treasurer. So we are picking 4 members our of 12 persons.

From this 12, when we pick out one member, we are left with 11members. From 11, if we pick out another one, we have 10 left. From 10, if we pick out another member we have 9 left.

Such that

12 x11 x10x 9= 11880

These are the total different leadership structures possible.

Another way to solve this is by permutation method.

nPr

12!/(12-4)!

= 12!/8!

= 11880 ways

What is the value of x?
7.5/x= 30/16​

Answers

Answer:

4

Step-by-step explanation:

I divided 30/16 and got 1.875, then I knew that 7.5 would have to have the same answer. I did a process of elimination by dividing 7.5 by numbers at random and finally divided by 4 and got the answer. Another way to get the answer would be to cross multiply the equation.

x=4

7.5/4=30/16
120=30x
4=x

Consider the function. f(x) = 2x(x - 1)
What are the values of
f(0)=
f(3)=
f(-4)=

Answers

Answer:

3

Step-by-step explanation:

How many gallons of 40% antifreeze should be mixed with 10 gallons of 80% antifreeze to obtain a 65% antifreeze mixture?

Answers

Equation:

alcohol + alcohol = alcohol

0.40x + 0.85*10 = 0.65(x+10)

----

40x + 85*10 = 65x + 65*10

20*10 = 15x

-----

x = (2/3)20

---

x = 13 1/3 gallons (amt. of 40% solution needed)

what is the best partial quotient to 296dividedby4

Answers

264 divided by 4= 66

Henry wrote a total of 12 pages over 4 hours. How many hours will Henry have to spend writing this week in order to have written a total of 15 pages? Assume the relationship is directly proportional.

Answers

Answer:

5 hours.

Step-by-step explanation:

12 ÷ 4 = 3. 3 pages an hour, which would mean 5 hours to write a total of 15 pages.

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

evaluate a+b for a= -9 and b=6

Answers

Answer:

-9+6=-3

Step-by-step explanation:

Fill in the variables with their coordinating values. So ...


-9+6=-3

7474 divide 6 answer pleasee

Answers

Answer:

7474/6=1245 2/3

plz help and thankkkkm you​

Answers

Answer:6(x+7= 42

Step-by-step explanation:

Please help me I don’t get this Write the equation of the line that is parallel to y=3x-2 and goes through the points (-4,2)

Answers

Alright so answer is y=3x+14

Since you need to find a PARALLEL line to y=3x-2, you already know that the incline is 3x because otherwise the two lines would intersect somewhere.

So for your new equation you now have y=3x+b, so you only need to find b. To do so you’ll need to replace all other variables by numbers with the point that is given and then isolate b.

You can do so with the point that is given to you (-4, 2). You replace y by 2 since the point is (x,y) and replace x by -4.

You now have
2=3(-4)+b
2=-12+b
2+12=b
14=b

You now have your equation: y=3x+14

A picture is 3 in. wide by 5 in. high was enlarged so that the width was 15 inches. How high is the enlarged picture?

Answers

Answer:

25

Step-by-step explanation:

trust me

Express 600 as a percentage of 125​

Answers

Answer:

480%

Step-by-step explanation:

600/125*100=480

Mrs. Frazier had 95 inches of ribbon. She gave 14.4 inches to Sara and 27.8 inches to Mary. If she divides the remainder between Jenny and Susie, how much will each girl receive? pls help

Answers

Answer:

26.4

Step-by-step explanation:

95-14.4-27.8=52.8

52.8/2=26.4

Hope I helped!

Please mark Brainliest!!!

Louise Bourgeois obtained a $3,200 installment loan for a marble floor in her foyer. The
annual percentage rate is 9%. She must repay the loan in 24 months. Find the (a) monthly
payment using the formula, (b) total amount repaid, and (c) the finance charge.

Answers

(a) 157.33 (b)3776.00 (c) 576.00

which of the ordered pairs is a solution to the system of inequalities?
​

Answers

Y>5 which of the orders pairs is a solution to the system of inequality

Who can access your credit report?
a friends
b. employers
c. neighbors
d. teachers
Please select the best answer from the choices provided.
Ο Α
С В
ОС
D

Answers

This answer would be B

Answer:

B) employers

Step-by-step explanation:

EDGE 2021

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