help me please i'll mark as brainliest asap​

Help Me Please I'll Mark As Brainliest Asap

Answers

Answer 1

Answer:

a. A(x) = 3x² - 8x + 5

b. x = ⁸/₃

Step-by-step explanation:

a.

A(x) = shaded area

A(x) = (2x - 3)² - (x - 2)²

= 4x² - 12x + 9 - (x² - 4x + 4)

= 4x² - x² - 12x + 4x + 9 - 4

= 3x² - 8x + 5

b.

ΔABF area = ⁵/₄ cm²

A(x) = 4(⁵/₄)

= 5

Substitution:

3x² - 8x + 5 = A(x) = 5

3x² - 8x + 5 = 5

3x² - 8x = 0

x(3x - 8) = 0

3x - 8 = 0

x = ⁸/₃

x = 0

Since x > 2, x = 0 is not valid;

So, x = ⁸/₃


Related Questions

Help help math math math math

Answers

y=2/1+7 is the answer because it’s a positive slope and i you go up by 2 spaces first then to the right by 1

Answer:

y=2/1+7

Step-by-step explanation:

eight and one six minus 7 and three forths

Answers

Answer:

5/12

Have a good day!

Choose all the numbers that make the comparison true.
42 > __
A, 22
B, 64
C, 41
D,40
E, 40

Answers

Answer:

22, 40, 40, and 41

Step-by-step explanation:

happy to help have a nice day

A line with a slope of 2 passes through the point (6,4). What is its equation in
slope-intercept form?

Answers

Answer:

y=2x-8

Step-by-step explanation:

y-y1=m(x-x1)

y-4=2(x-6)

y=2x-12+4

y=2x-8

Três torneiras enchem uma piscina em 10 horas quantas horas levarão 10 torneiras para encher 2 piscinas

Answers

Answer:

Step-by-step explanation:

The jazz band has 14 members. To raise money for a tour, each member sold r raffle tickets. Write an expression that shows the number of raffle tickets sold.

Answers

Answer:

14r

Step-by-step explanation:

since there are 14 members and each sold r tickets r x 14 which is 14r

What is the surface area of a cylinder if the radius is 2.5 inches and the height is 5 inches?

Answers

Answer:

A≈117.81 square inches

Step-by-step explanation:

just plug it in formula.

Answer:

117.8 inches

Step-by-step explanation:

A family bought a house for $386,230 and a car for $59,250. Estimate the family's combined expenses by rounding to the nearest thousand first and then add the rounded numbers.

Answers

Answer:

ok first we round them both

386230 is rounded to 386k

59250 is rounded to 59 k

386+59=445

445,000

Hope This Helps!!!

Trey bought a football on sale for 15% off of $45. Evan bought the same football at a different store for 25% off of $54. Who received the better deal? Explain.

a. How much did Trey spend on a football?

b. How much did Evan spend on a football?

c.
Who got the better deal?

Answers

Answer:

a. $38.25, b.$40.5, c. Trey

Step-by-step explanation:

A percentage can also be represented as a proportion out of 1; for example, 30 percent is .30, and 100 percent will be 1.00.

a. If Trey is paying 15 percent off a price, that means he is still paying 85 percent, and recall what I said earlier, about 85 percent is a .85 proportion. So now we multiply the price by the proportion he is paying .85*45 = $38.25

b. We want to do the same process we did in part a. So we have 1 - .25 =.75 to get the proportion of the original price Evan will be paying. Now we multiply .75*54 = $40.50.

c. Trey got the better deal because he ended up paying less; hence $38.25 is less than that of $40.50

A bag contains 30 cookies: 9 vanilla, 9 chocolate, and 12 oatmeal. What is the probability that a chocolate is randomly selected? A).30 B).33 C).40 D).60

Answers

Answer:

D:60

Step-by-step explanation:

Can someone help me out? Will mark brainiest

Answers

Ok done. Thank to me :>

3 ft of a 3 inch crown molding costs you $8.75 at the lumber store. How much would it cost for 31 ft?

Answers

Answer:

9.10 * 8.75 = 79.62

Step-by-step explanation:

Sorry if its wrong... :(

A police car leaves a crime scene heading east directly towards the hospital at 72 kilometres per hour. An ambulance leaves a quarter of an hour later and also heads directly east towards the hospital at 81 kilometres per hour. How long will it take for the ambulance to pass the police car?

Answers

It will take 2 hours for the ambulance to pass the police car.

Given that a police car leaves a crime scene heading east directly towards the hospital at 72 kilometers per hour, and an ambulance leaves a quarter of an hour later and also heads directly east towards the hospital at 81 kilometers per hour, to determine how long will it take for the ambulance to pass the police car, the following calculation must be performed:

72 x 0.25 = 18 81 - 72 = 9 18/9 = 2 72 x 0.25 + 72 x 2 = 162 81 x 2 = 162

Therefore, it will take 2 hours for the ambulance to pass the police car.

Learn more about maths in https://brainly.com/question/25818763

What is social stratification?

A. Studying a person's ancestors to learn more about his or her

status

B. Ranking people based on factors such as gender, wealth, and

occupation

C. Expecting women to be responsible for nurturing families and

caring for homes

D. Displaying expensive material objects to demonstrate one's status

Answers

Answer:

The answer is B

Step-by-step explanation

It's a system ranking people in a hierarchy

Given ALMN * AQRS, MZM = 26°, and m2Q = 58°, what is the measure of 2S?
96°
26°
58°

Answers

Answer:

  96°

Step-by-step explanation:

We assume you intend ...

  ΔLMN ~ ΔQRS

Then corresponding angles have the same measure:

  ∠M = ∠R = 26°

  ∠L = ∠Q = 58°

  ∠N = ∠S = 180° -26° -58° = 96° . . . . sum of a triangle's angles is 180°

The measure of angle S is 96°.

x+18-3x=20 help me out

Answers

the bbc lenth is 19 which i like in my mouth an deven my throayt

y = 7x
-14x + 2y = 0

The answer is no solution but please help with showing the work I’m stuck with it.

Answers

Answer:

-14x+2(7x)=0

-14×+14×=0

0=0

Ex: x = 3 => 0 . 3 = 0, y= 7 . 3 =21
x = 5 => 0 . 5 = 0, y= 7 . 5 =35.....
Ok done. Thank to me :>

Help me pleaseeeeeeeeeee

Answers

Carry learning!

Stay safe!

Find the area of the figure. hi​

Answers

The area would be 6 times 11 so multiply and you have your answer! :D

PLEASE HELP!!
Solve by completing the square 2x^2+x-4=0​

Answers

Answer:

image attached with answer

Step-by-step explanation:

There are 300 students in the 6th grade class. 252 of the students have received dragon
tickets. What is this as a percent?

Answers

The percentage of students in the 6th grade class that have received dragon  tickets is 84%.

Given the following data:

Total number of students = 300 studentsNumber of students with dragon tickets = 252 students

To determine the percentage of students in the 6th grade class that have received dragon  tickets:

A percentage is used to describe or represent a portion of a given population or total number of something.

Mathematically, the percentage for the given number of students is:

[tex]D = \frac{Students}{Total\;students} \times 100\\\\D = \frac{252}{300} \times 100\\\\D=0.84\times 100[/tex]

D = 84%

Read more on percentage here: https://brainly.com/question/14432715


A line passes through the point (-4, 7) and has a slope of -5/4
Write an equation in slope-intercept form for this line.

Answers

Answer:

[tex]y=-\frac{5}{4} x+2.[/tex]

Step-by-step explanation:

1) slope-interception form is: y=s*x+i, where 's' and 'i' are slope and interception;

2) according to the condition s= -5/4, then the required equation is: y= -5/4 *x +i, where i - interception;

3) if to substitute (-4;7) into the required equation y= -5/4 *x +i, it is possible to calculate 'i':

7= -5/4*(-4)+i; ⇒i=2, then

[tex]4) \ finally, \ y=-\frac{5}{4}x+2.[/tex]

Help help math math math

Answers

Answer:

Yes, this is a function

Step-by-step explanation:

You know this because it passes the vertical line test.

I hope this helps!

Answer:

Function

Step-by-step explanation:

3x-9=2(x-14)
show me the steps to do this

Answers

3x-9=2x-28
3x-2x=9-28
x=-19

[tex]\\ \sf\longmapsto 3x-9=2(x-14)[/tex]

[tex]\\ \sf\longmapsto 3x-9=2x-28[/tex]

[tex]\\ \sf\longmapsto 3x-2x=-28+9[/tex]

[tex]\\ \sf\longmapsto x=-19[/tex]

A local flower shop sells a dozen roses for $15.48 if each rose cost the same price how much would It cost per rose

Answers

one rose would cost $1.29

A ladder that is 17 feet in length is resting on a branch of a tree and the base of the ladder is 8 feet from the tree on the level ground how high up is the branch on which the latter is resting

Answers

Answer:

9 feet

Step-by-step explanation:

Can someone help with this math problem?​

Answers

Answer:

Hope it will help you a lot.

Pieter wrote and solved an equation that models the number of hours it takes to dig a well to a level of 72 feet below sea level.

7h – 5(3h – 8) = –72
Which statement is true about Pieter’s solution?

1. It cannot be a fraction or decimal because the depth of the well is a whole number.

2. It must be a positive number since it represents a number of hours.

3. It must be a negative number because the depth is below sea level.

4.It cannot be greater than –72 because that is the depth of the well.

Answers

Answer:

Step-by-step explanation:

Is this the entire question? Some of it makes no sense without a diagram or something.

To get rid of A you actually have to solve the equation.

7h – 5(3h – 8) = –72        Remove the brackets

7h - 15h + 40 = - 72          Combine the like terms

- 8h + 40 = - 72                Subtract 40 from both sides

- 8h = -112                        Divide by -8

    h = 14

Well the depth is a whole number so A is true.

We don't know anything about time. But the answer is positive.

C is false because B is true.

We don't know exactly what the depth of the well is.

I would pick A, but you need the entire question.

Find the inverse of the matrix A=

[4 -5]
[-7 9]

Answers

Answer:

hope this answer is right 71/45

Which angle is this could u plz tell​

Answers

Step-by-step explanation:

please, this is so easy !

so, please, burn this into your brain forever : the sum of all angles in a triangle is always (really, always) 180°.

so,

180 = 25 + 100 + A

A = 55°

ΔABC has: ∠CAB + ∠ABC + ∠ACB = 180°

so:  ∠CAB = 180° - ∠ABC - ∠ACB = 180° - 100° - 25° = 55°

ANSWER: ∠CAB = 55°

ok done. Thank to me :>

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