Mathematics College

Needdd helpp noww please

Giving extra points

Needdd Helpp Noww PleaseGiving Extra Points

Answers

Answer 1

Answer:

b

20

10

Step-by-step explanation:

Related Questions

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!

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.

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

Heelllllppppppppp me please in neeeeed

Answers

1 is b, 2 is d, 3 is e, 4 is c, 5 is a

Part B
Does this curved line represent a function? if not at what points does it fall the vertical line test?

Answers

Answer:

This graph does not represent a function. Two points where it fails the vertical line test are (0, 0) and (0, 1).

Step-by-step explanation:

This is the exact answer edumentum gave me. be careful, i got this wrong.

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.

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.

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


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:

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

Given: AB ∩ GF = O, E ∈ interior of ∠GOB, H ∈ interior of ∠AOF. Without changing the picture indicate:

Answers

Answer:

Step-by-step explanation:

Given that

AB n GF = O

E ∈ ∠GOB

H ∈ ∠AOF

The we can say, using similar angles or triangles, that

BF = AG

EG = AH

BG = FA

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!!!

PLEASE HELP ILL GIVE BRAINLIEST

Answers

Answer:

[tex](\frac{x1 + x2}{2}, \frac{y1+y2}{2}[/tex])

Step-by-step explanation:

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:

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

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

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

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

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

#SPJ2

Just answer number 1
M<7=30 ,m<2 ?

Answers

Answer:

Step-by-step explanation:

1). ∠7 ≅ ∠ 2 (alternate exterior)

m∠7 = m∠2 = 30°

2). ∠4 and ∠1 are supplementary angles

m∠1 = 180° - 72° = 108°

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)

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

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 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

Q4: Write the equation in slope-intercept form of the line that is perpendicular to
the graph of each equation and passes through the given point.
y = -5x + 1; (2, -1)

Answers

Answer:

5y  = x + 11

Step-by-step explanation:

Given parameters:

  Equation of the line ;

           y  = -5x + 1

  Coordinates = (2, -1)

Find the equation of a line perpendicular;

Solution:

A line perpendicular to  y  = -5x + 1  will have slope that is a negative inverse of the given one.

Equation of a straight line is expressed as;

           y  = mx + c

y and x are the coordinates

m is the slope

c is the y-intercept

        So, the slope of the new line perpendicular is [tex]\frac{1}{5}[/tex] ;

Now let us find the y-intercept of the new line;

   x = -1 and y = 2

      2  = [tex]\frac{1}{5}[/tex] x (-1) + c

           c  = 2 + [tex]\frac{1}{5}[/tex]   = [tex]\frac{11}{5}[/tex]  

The equation of the new line is;

          y  =  [tex]\frac{1}{5}[/tex]x +  [tex]\frac{11}{5}[/tex]  

or multiply through by 5;

        5y  = x + 11


The selling price of lumber at Home Depot is $4,000, percent markup on cost is 30%. Calculate the actual cost. (Round your answer
to the nearest cent.)

Answers

Step-by-step explanation:

Selling Price=$4000

Profit Percent=30%

Cost Price;

[tex] \frac{100}{100 + pp} \times 4000 [/tex]

[tex] \frac{100}{100 + 30} \times4000 [/tex]

[tex] \frac{100}{130} \times 4000 [/tex]

[tex] \frac{10}{13} \times 4000[/tex]

[tex] \frac{40000}{13} [/tex]

$3,076.923

=$3,077.000

I am not really Good at rounding forgive me Confirm from someone please.

36% of what is 180? The answer is

Answers

Answer:

not 36 but 64.8

Step-by-step explanation:

filler filler filler filler

Answer:20%

Step-by-step explanation:

Convert fraction (ratio) 36 / 180 Answer: 20%

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:

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

plz help and thankkkkm you​

Answers

Answer:6(x+7= 42

Step-by-step explanation:

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