Timmy has a square backyard with a width of (2x-5). he wants to lay new sod. what is the area of his yard?​

Timmy Has A Square Backyard With A Width Of (2x-5). He Wants To Lay New Sod. What Is The Area Of His

Answers

Answer 1

Answer:

[tex] {4x}^{2} - 20x + 25[/tex]

Step-by-step explanation:

[tex] {(2x - 5)}^{2} = {(2x)}^{2} - 2(2x)(5) + {5}^{2} = 4 {x}^{2} - 20x + 25[/tex]


Related Questions

Does the ordered pair (2,1) satisfy the following system of equations?

Answers

To determine the whether the ordered pair satisfies the equation:

     ⇒ we must plug in the values

          ⇒ since coordinates are (x,y) ⇒ (2,1)

             ⇒ there we must plug 2 into the 'x' position in the equation

                ⇒ and 1 into the 'y' position in the equation

Let's try the first equation:

   [tex]3x-y=5\\3(2)-1=5\\6-1=5\\5=5[/tex]

Ordered pair satisfies first equation

Let's try the second equation

   [tex]5x-2y=8\\5(2)-2(1)=8\\10-2=8\\8=8[/tex]

Ordered pair satisfies second equation

Thus ordered pair satisfies the following system of equations

Answer: Yes

Hope that helps!

Zach has an apple tree in his yard. On Monday, he picked 12 apples and gave 4 of them to his neighbor. On Tuesday, he picked 18 more apples and gave 6 to his cousin. On Wednesday, he
picked 14 more and gave 20 apples to his mother. How many apples does Zach have left?

Answers

Answer:

Zach has 14 apples left.

Step-by-step explanation:

This equation is 12 - 4 + 18 - 6 + 14 - 20.

8 + 12 + 14 - 20

20 + 14 - 20

14


Randall is cutting a
submarine sandwich into smaller pieces. He has 4 feet
of sandwich that he wants to divide into-foot
sandwiches. How many sandwiches will he have after
he cuts the sandwich?

Answers

Randall will have 4 sandwiches. If he wants 1 foot pieces and has 4 feet of sandwich, that will turn into 4 of them.

what is 74 divided by 27

Answers

Answer:

2.740 repeated sign over 740 (just a line)

Step-by-step explanation:

divide on sheet paper

In a city, 45% of the bus riders with a monthly pass are students. In a random sample of 50 bus riders with monthly passes, 18 are students.

What is ρ and ρˆ ?

ρ=0.45, ρˆ=0.18


ρ=0.45, ρˆ=0.36


ρ=0.18, ρˆ=0.45


ρ=0.36, ρˆ=0.45

Answers

Answer:

ρ =45% or 0.45

ρ with ^ = [tex]\frac{18}{50} =0.36[/tex] or equivalently 36%

Step-by-step explanation:

ρ represents the population proportion of the bus riders, with a monthly pass, who are students.

The population proportion is simply the percentage of the entire population with a particular characteristic. We have been informed that in a city, 45% of the bus riders with a monthly pass are students. This means that 45% of the whole population of bus riders with a monthly pass are students. Therefore, our ρ is simply 45% or 0.45.

ρ with ^ represents the sample proportion of the bus riders, with a monthly pass, who are students. This is a statistic or an estimator as it is normally used to estimate the value of ρ, the population proportion. It is calculated using the formula;

ρ with ^ = [tex]\frac{x}{n}[/tex]

where n represents the size of the sample and x the number of individuals in the sample with a certain desired characteristic. We have been informed that;

in a random sample of 50 bus riders with monthly passes, 18 are students.

Using the above formula and the values given we have;

ρ with ^ = [tex]\frac{18}{50} =0.36[/tex] or equivalently 36%

2)
Solve the equation and enter the solution in the box below.
x + 19 = 13
Answer
X =
HINT
SUBMIT
3)
Solve the equation and enter the solution in the box below.

Answers

Answer:

[tex]\longrightarrow: \boxed{\sf{x=-6}}[/tex]

Step-by-step explanation:

Isolate the term of x from one side of the equation.

x+19=13

First, you subtract by 19 from both sides.

⇒ x+19-19=13-19

Solve.

Add/subtract the numbers from left to right.

⇒ 13-19=-6

⇒ x=-6

Therefore, the solution is x=-6, which is our answer.

I hope this helps! Let me know if you have any questions.

Answer:

x = -6

Step-by-step explanation:

In the question we're given with an equation that is x + 19 = 13 and we have asked to find the solution of equation that means we have to find the value of x .

Solution :

[tex] \longmapsto \: x + 19 = 13[/tex]

Subtracting 19 on both sides :

[tex] \longmapsto \: x + \cancel{19} - \cancel{19 }= 13 - 19[/tex]

On further calculations we get :

[tex] \longmapsto \: \blue{ \boxed{x = - 6}}[/tex]

Therefore, value of x is -6 orwe can say that solution of the given equation is -6 .

Verifying :

We are verifying our answer by substituting value of x in the given equation .

x + 19 = 13

-6 + 19 = 13

13 = 13

L.H.S = R.H.S

Hence, Verified.

Therefore our value for x is correct .

#Keep Learning

Assume that a postal code consists of 6 characters. Each character can be any letter from A to Z or any numeral from 0 to 9. How many postal codes are possible in this situation?

Answers

Answer:

[tex]36^6[/tex] postcodes

Step-by-step explanation:

Think of the post code as a combination lock

[?] [?] [?] [?] [?] [?]

If letters a numbers are allowed, each character can be A-Z and 0-9.

There are 26 letters, and 10 different digits

26 + 10 = 36 characters

Each block (I illustrated above) can be any of the 36 characters

If you have 2 blocks, you have a combination of

36 x 36 characters — which is the same as [tex]36^2[/tex]

With 3 blocks: [tex]36^3[/tex]

and so forth...

If your post code is made of 6 'blocks' it can be any combination of

[tex]36^6[/tex]

L
9) Consider the following equations:
x= 10-t
t + 50 = x2 + 50
What equation would result from
combining the given equations?

Answers

pic po please please please please

The sum of two numbers is 144 and their difference is 73. Find the smallest number. Use two exact decimals.

Answers

Answer:

30.5

Step-by-step explanation:

Let L = the larger number

Let S = the smaller number

L + S = 144

L - S = 73

L = S + 73

S + S + 73 = 144

2S = 71

S = 30.5

Problem 21 pls helps

Answers

Answer:

f(-10) = -2

Step-by-step explanation:

[tex] y =\frac{20}{x}[/tex]

Replace y by f(x)

[tex]\implies f(x)=\frac{20}{x}[/tex]

Plug x = -10

[tex]\implies f(-10)=\frac{20}{-10}[/tex]

[tex]\implies f(-10)=-2[/tex]

Answer:

-2

Step-by-step explanation:

sub -10 in place of x and divid to give you -2

please answer this question​

Answers

Let p(t) be the number attendees and t be the ticket price measured in units of 10s of rupees. When the price is t = 7 (i.e. Rs70), there were p(7) = 300 people in attendance.

For each unit increase in t (i.e. for each Rs10 increase in price), p(t) is expected to fall by 20, so that

p(t + 1) = p(t) - 20

Solve for p(t). Suppose t ≥ 7. By substitution,

p(t + 1) = (p(t - 1) - 20) - 20 = p(t - 1) - 2×20

p(t + 1) = (p(t - 2) - 20) - 2×20 = p(t - 2) - 3×20

p(t + 1) = (p(t - 3) - 20) - 3×20 = p(t - 3) - 4×20

and so on, down to

p(t + 1) = p(7) - (t - 6)×20 = 420 - 20t

or

p(t) = 420 - 20 (t - 1) = 440 - 20t

With t = price per ticket (Rs/ticket) and p(t) = number of attendees = number of tickets sold, it follows that the income made from ticket sales for some fixed ticket price t would be t×p(t). If one plots p(t) in the coordinate plane, the price that maximizes income and number of attendees is such that the area of a rectangle inscribed by the line p(t) and the coordinate axes is maximized.

Let A(t) be the area of this rectangle, so

A(t) = t p(t) = 440t - 20t²

Without using calculus, complete the square:

A(t) = 440t - 20t² = 2420 - 20 (t - 11)²

This is the equation of a parabola with vertex at (11, 2420), so the optiml ticket price is Rs11, and at this price the drama club can expect an income of Rs2420.

With calculus, differentiate A with respect to t and find the critical points:

A'(t) = 440 - 40t = 0   ⇒   11 - t = 0   ⇒   t = 11

Differentiate A again and check the sign of the second derivative at this critical point:

A''(t) = -40   ⇒   A''(11) = -40 < 0

which indicates a local maximum at t = 11 of A(11) = 2420.

A survey of students at an elementary school was taken
It was determined that 3/8 of the students identified blue as their favorite color.
Of this group. 1/5 of them wore glasses
If there are 33 students who wear glasses that identiñed blue as their favorite color, how many students are there in the school?

Answers

Using proportions, it is found that there are 165 students in the school.

What is a proportion?

A proportion is a fraction of a total amount.

In the school, there are n students. Of those 1/5 of 3/8, that is, 3/15 wear glasses and identified blue as their favorite color. This amount is equivalent to 33 students, hence:

3/15n = 33

n = 33 x 15/3

n = 11 x 15

n = 165.

There are 165 students in the school.

More can be learned about proportions at https://brainly.com/question/24372153

A baker has 14 boxes of muffins to fill. Each box has 12 muffins. He has already boxes 45 muffins. How many more muffins does the baker need to box

Answers

Answer:

123 more muffins

Step-by-step explanation:

To find out how many to box in total you would do 14 x 12 = 168

168 - 45 = 123

Since 45 were already boxed, 123 more would be needed to make 14 boxes.

If A = -n + 5n^2 +9 and B = 3 - n, find an expression that equals 2A - 3B
in standard form.

Answers

Answer:

10n² + 3n + 7

Step-by-step explanation:

2A - 3B = 2.( -1 + 5n² + 9) - 3.(3 - n)

= -2 + 10n² + 18 - (9 - 3n)

= 10n² + 16 -9 + 3n

= 10n² + 3n +7

If 60 is increased by 90%, what is the new amount?

Answers

Answer:

114

Step-by-step explanation:

1.14 x 10²

pls mark me as brailiest if it is correct and learn well

The graph of an exponential function is shown. Based on this graph, which statement about the function is true? A) The range is the set of all real numbers less than –3. B) The domain is the set of all real numbers less than –3. C) The range is the set of all real numbers greater than –4. D) The domain is the set of all real numbers greater than –4.

Answers

Answer:

C) The range is the set of all real numbers greater than –4.

Step-by-step explanation:

Domain

x > -3

Range

y > -4

The correct statement is C, which states : the range is the set of all real numbers greater than -4.

Solve, using the correct order of
operations, when x = 7 and y = 3
(x – 3) + 2y

Answers

Answer:

10

Step-by-step explanation:

Since it given that:

x = 7 and y = 3

We can substitute x and y:

(7-3) + 2(3)

7 - 3 = 4

4 + 2(3)

2(3) = 6

4 + 6 =10

Thus the answer is 10.

[RevyBreeze]

Answer:

[tex]10[/tex]

Step-by-step explanation:

Sorry for messing it up last time.  The format can be really weird

Step 1:  Input x and y and solve

[tex](x - 3) + 2y[/tex]

[tex](7 - 3) + 2 * 3[/tex]

[tex]4 + 6[/tex]

[tex]10[/tex]

Answer:  [tex]10[/tex]

What is the distance between M and H

Answers

The distance between H and M is 24

Please help!!!!
[tex](\pi \sqrt 81 \frac{\sqrt[3]{8}}{2} ) / 3\pi = ???[/tex]

Answers

Step-by-step explanation:

[tex](9\pi \frac{2}{2} )\div 3\pi \\ [/tex]

[tex] \frac{9\pi}{3\pi} \\ [/tex]

[tex]3\pi[/tex]

3π is the answer

12 ft
Physics The equation d = 1/2at2 gives the distance d an object starting at rest
travels given acceleration a and time t.
Suppose a ball rolls down the ramp shown at
the right with acceleration a = 2 ft/s2. Find
the time it will take to roll from the top of the
ramp to the bottom. Round to the nearest tenth of a second.

Answers

The time it will take to roll from the top of the ramp to the bottom by the ball when acceleration of it a = 2 ft/s2, is 4 seconds.

What is the equation of motion?

The equation of motion is the relation between the distance, velocity, acceleration and time of a moving body.

The equation which gives the distance d of an object starting at rest travels given acceleration a and time t is,

[tex]d = \dfrac{1}{2}at^2[/tex]

Suppose a ball rolls down the ramp shown at the right with acceleration a = 2 ft/s2. The ramp is 12 feet long. Thus, the distance travel by ball to roll from the top of the ramp to the bottom is 12 feet. Thus, we have,

[tex]a=2\rm\; ft/s^2\\d=12\rm\; feet[/tex]

Put the values in the above equation,

[tex]d = \dfrac{1}{2}at^2\\12 = \dfrac{1}{2}(2)t^2\\t^2=12\\t=\sqrt{12}\\t=3.46\\t=\approx 4\rm\; s[/tex]

Thus, the time it will take to roll from the top of the ramp to the bottom by the ball when acceleration of it a = 2 ft/s2, is 4 seconds.

Learn more about the equation of motion here;

https://brainly.com/question/13763238

#SPJ1

OLZ HELP ILL MARK AS BRAINLEST
find the slope​

Answers

Answer:

2/3

Step-by-step explanation:

slope formula : ( y2 - y1 ) / ( x2 - x1 ) where the x and y values are derived from points on the line

the two points can vary but i have chosen (0,0) and (3,2)

(x1,y1) = (0,0) so x1 = 0 and y1 = 0

(x2,y2) = (3,2) so x2 = 3 and y2 = 2

recall that slope = ( y2 - y1 ) / ( x2 - x1 )

plug in x1 = 0, y1 = 0, x2 = 2 and y2 = 3

slope = ( 2 - 0 ) / ( 3 - 0 )

slope = 2 / 3

Your birds drink 8 1/3 ounces of water a day. How many ounces of water do they drink in 6 days?​

Answers

50 ounces

hope it helps...!!!

The graph shows the relationship between the distance a car travels and the time the car travels. Determine the speed of the car?
A. 25 mph
B. 50 mph
C. 60 mph
D. 75 mph

Answers

I think it’s D, 75 mph

AaaaAAAAA HELP THIS IS TIMED

Answers

Answer:

2

Step-by-step explanation:

After placing the 2 as the coefficient all of the atoms for their respective elements will be balanced.

1. Some jobs pay a commission plus bonus at the end of the year. The bonus may
be a percent of the
7% commission on all sales. At the end salesperson's total commission. Madelyn is a of the year, she receives a bonus sales representative for a luxury home builder. She receives of 5% of her total commissions for
the year. What is Madelyn's gross pay for a
year in which she had sales totaling $412,454?

Answers

Answer:

so let's start

Step-by-step explanation:

[tex]total \: sales = 412454 \\ 7\% = \frac{7}{100} \\ = 0.07 \\ 0.07 \: is \: rate \: of \: commision \: on \: total \: sales \\ 0.07 \times 412454 = 28871.78 \: dollars \\ but \: 5\% \: is \: given \: as \: percentage \: of \: the \: amount \: from \: 7\% \: commission \\ 5\% = \frac{5 }{100} \\ = 0.05 \\ 0.05 \times 28871.78 = 1443.589 \: dollars \: \\ total \: income \: = 28871.78 + 1443.586 \\ = 30.315.369 \: dollars \\ \\ thanks[/tex]

A triangle has sides with lengths of 15 meters, 36 meters, and 39 meters. Is it a right triangle?

Answers

Answer:

no it is not

Step-by-step explanation:

No.  Because  right angled triangles all sides are equal.

Find the area

(Image attached)

Answers

Answer:58.8

Step-by-step explanation:

A=L*W

6*9.8=58.8

What is the prime factorization of 60?​

Answers

Answer:

2*2*3*5

Step-by-step explanation:

Use a factor tree to express 60 as a product of prime factors. So the prime factorization of 60 is 2 × 2 × 3 × 5, which can be written as 2 2 × 3 × 5. The actual prime factors of 60 are 2, 3, and 5.

What is the volume of a triangular pyramid, with a base area of 12 square centimeters and height of 8 centimeters? Enter your answer in the box.
________ cm³

???

Answers

Step-by-step explanation:

To find the volume of triangular pyramid we are given two parameters that is base area of pyramid and height which is required,

Volume of pyramid given by:-

V = 1/3*bh

V = 1/3*12*8

V = 4*8

V = 32cm³

Hence the volume of triangular pyramid is 32cm³

126 is 60% of what number

Answers

Answer:

210

Step-by-step explanation:

126 is 60% of What Number? - 126 is 60% of 210. 100% of 210 is 210, therefore 60 percent of 210 equals 126.

Formula = Number x 100

Percent = 126 x 100

60 = 210

Following shows the steps on how to derive this formula and find out 60% of what number is 126.

Step 1: If 60% of a number is 126, then what is 100% of that number? Setup the equation.

126

60% = Y

100%

Step 2: Solve for Y

Using cross multiplication of two fractions, we get

60Y = 126 x 100

60Y = 12600

Y = 12600

100 = 210

What is  126 % of 60 ? = 210

Answer: …

Step-by-step explanation:

Well, 126 is 60% of 210. 100% of 210 is 210, therefore 60 percent of 210 equals 126

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