Use technology to determine PLEASE HELP I WILL MARK U BRAINLIEST. the vertex of each quadratic
Function given in standard form. Rewrite the function in
vertex form.
f(x) = -x^2 + 15x – 54

Answer:

37.5%

Step-by-step explanation:

Given data

Initila Price= $2.25

3.5% of  $2.25

=3.5/100* 2.25

=0.035*2.25

=0.07875

Hence the expected new price is

=0.07875+2.25

=$2.33

The expected increase

=2.33-2.25

=$0.08

The actual increase

=2.25-2.30

=$0.05

Hence the error is

% error= Actual -Expected/Expected*100

% error= 0.05-0.08/0.08*100

% error= 0.03/0.08*100

% error=0.375*100

% error=37.5%

Hence the error is 37.5%

Answer:

y=5x+2

Step-by-step explanation:

-5x-4y=-8

-5x+y=2

y=2+5x

y=5x+2

Answer:

364

Step-by-step explanation:

25% is the same as 1/4

so if 91 is equal to 1/4 of something

all you have to do is multiply 91 by 4

Answer:

Step-by-step explanation:

My method is multiplying 91 by 4 because 91 x 4 is 364 which if you divide 364 by .25 which is 1/4 in decimal form, you get 91. So the final answer to this 364.

Answer:

56

Step-by-step explanation:

4*7*2 is 56

Hope that helps and please tell me if I am wrong

Answer:

three dimensional figure in which we have height breadth and length

and two dimensional figure in which two unit breadth and lenght

two dimensional has only two measurements, such as length and height and three-dimensional (3D) shape has three measurements, such as length, width, and height

The branch of mathematics that studies the measurement of geometric figures and their parameters like length, volume, shape, surface area, lateral surface area, etc

A two-dimensional (2D) shape has only two measurements, such as length and height. A square, triangle, and circle are all examples of a 2D shape.

and three-dimensional (3D) shape has three measurements, such as length, width, and height

The example of two dimensional are triangle, circle.

The example of three dimensional are cuboid, cone , cylinder.

Hence two dimensional has only two measurements, such as length and height and three-dimensional (3D) shape has three measurements, such as length, width, and height

To learn more on mensuration click:

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Answer:

C

Step-by-step explanation:

Sine: Opposite / Hypotenuse

Cosine: Adjacent / Hypotenuse

Tangent: Opposite / Adjacent

75 = The adjacent of 40

H = The opposite of 40

Tan40 = 75 / h

H = 75Tan40

H ≈ 62.93

The trigonometric function which will be used to determine the height of the tree when the base is 75 ft. is tan(40)

The trigonometric function are the ratio of the sides of the right angled triangle. The functions are sine, cos, tan , cot, cosecant, secant.

We can easily see that the base is 75 ft. and the height of the tree is h So the height of the tree can be found with the help of tangent function.

tan(40)=h/75

0.84=h/75

h=63 ft.

Hence the height of the tree is 63 ft.

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Answer:

D. right angle

Step-by-step explanation:

I think D is because

right angle is a an angle of exactly 90°

*adjacent angle is two angles with a common vertex, sharing a common side and no overlap

*supplementary angle is two angle, the sum of who's measure is 180

* vertical angle is two angle who's sides form two pairs of opposite rays (straight line)

Answer:

5y+5

Step-by-step explanation:

I hope this is right

Answer:

84.834 in

Step-by-step explanation:

Given data

Diameter of pool= 25 ft

Width of side walk= 2ft

Hence the diameter of the pool and the sidewalk combined= 25+2= 27ft

The radius of the pool and the sidewalk combined= 27/2= 13.5ft

Circumference= 2πr

Circumference= 2*3.142*13.5

Circumference= 84.834 in

Hence the circumference is 84.834 in

Answer:

20 Ans ..

Step-by-step explanation:

Given:

=√25²-15²

Solution:

= √625-225

= 20 ans .....

Answer: thanks for brainly points kid

Step-by-step explanation:

Answer:

1436.5 ft^3

Step-by-step explanation:

Shed B

L = 2* 6.5 = 13

W = 2*6.5 = 13

H = 8.5

Formula

Volume = L*w*h

Solution

Volume = 13 * 13 * 8.5

Volume = 1436.5

Answer:

1/5

Step-by-step explanation:

0.2

=2/10

=1/5

Answer:

1/5

Step-by-step explanation:

2/10 ÷ 2/2 = 1/5 and 0.2 equals 2/10 or 1/5

Answer:

i feel like were in the same school because we have the same answers, but check my recent question since people answered mine

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

i think its B because the your line is in the negatives and to be specific in -5

and the line that is going to the right that means it is going to the positive so its positive infinet

Hope it's correct

Answer:

hi

Step-by-step explanation:

i think its B

you should inverse the function from x=y line

i cant explain in enlish better than this

hope this helps

if have more questions just ask

Answer:

14/4*11/5

=77/10

=7 7/10

Answer:

19 1/4

Step-by-step explanation:

3 2/4 x 5 1/2

(3×4+2)/4×(5×2+1)/2

14/4×11/2

7/2×11/2

77/4

19 1/4

Answer:

Step-by-step explanation:

[tex]8x - 3 = - 19[/tex]

Collect like terms and simplify

[tex]8x = - 19 + 3 \\ 8x = - 16[/tex]

Divide both sides of the equation by 8

[tex] \frac{8x}{8} = \frac{ - 16}{8} [/tex]

Simplify

[tex]x = - 2[/tex]

Answer:

x=2

Step-by-step explanation:

hope it helps :)

Answer:the answer should be B :) !

Step-by-step explanation:

Answer:

It can not be modeled by a linear function

Step-by-step explanation:

The given parameters can be represented as:

[tex](x_1,y_1) = (1,64)[/tex]

[tex](x_2,y_2) = (2,32)[/tex]

[tex](x_3,y_3) = (3,16)[/tex]

Where: x = rounds and y = players

Required:

Determine if it can be represented by a linear function

To do this, we simply calculate the slope (m)

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

and

[tex]m = \frac{y_3 - y_2}{x_3 - x_2}[/tex]

Using: [tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex], we have:

[tex]m = \frac{32 - 64}{2 - 1}[/tex]

[tex]m = \frac{-32}{ 1}[/tex]

[tex]m = -32[/tex]

Using [tex]m = \frac{y_3 - y_2}{x_3 - x_2}[/tex], we have:

[tex]m = \frac{16 - 32}{3 - 2}[/tex]

[tex]m = \frac{-16}{1}[/tex]

[tex]m = -16[/tex]

Since both slopes are not the same, the relationship be modeled by a linear function

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

a) Any set of functions that has a total degree of 4 and a total number of x-intercepts of 4 will do. Shown in the first attachment are 4 linear functions. A quadratic function with two x-intercepts could replace two of the linear functions, or a cubic with 3 x-intercepts could replace 3 of the linear functions.

__

b) Again, the total degree must be 3. Since there can only be one x-intercept, the quadratic factor must have none. A possible choice is shown in the second attachment.

Answer: 17.75 pounds

Step-by-step explanation:

After putting soil in the first flower bed, Layla's bag was ⅝ full. The pound of soil will be: = 5/8 × 10 = 6.25 pounds

Eliana's bag was ⅖ full. The pound of soil will be: = 2/5 × 10 = 4 pounds

Nature's bag was ¾ full. The pound of soil will be: = 3/4 × 10 = 30/4 = 7.5 pounds

The number of pounds of soil that they put in the first flower bed altogether will be:

= 6.25 + 4 + 7.5

= 17.75 pounds

Answer:

A...................

Answer:

88 bottles

Step-by-step explanation:

Given

[tex]Cleaner =1\ gallon[/tex]

[tex]Water =10\ gallon[/tex]

Required

Determine the number of 1-pint spray bottles used

First, we get the total gallons of the cleaner and water.

[tex]Total = Cleaner + Water[/tex]

[tex]Total = 1\ gallon + 10\ gallon[/tex]

[tex]Total = 11\ gallon[/tex]

Convert to pints:

[tex]Total = 11 * 8\ pints[/tex]

[tex]Total = 88\ pints[/tex]

To get the number of spray bottles, we divide 88 pints by the size of the pint bottle.

[tex]Number = \frac{88\ pints}{1\ pint}[/tex]

[tex]Number = \frac{88}{1}[/tex]

[tex]Number = 88[/tex]

Answer:

8 days

Step-by-step explanation:

90/3 = 30 mi/day

240/30 = 8 days

Answer:

it will take him 8 days (7.98 in you don't round)

Step-by-step explanation:

90 -240= 150

150/90 = 1.6666....

1.66 * 3  = 4.98

4.98+3 =7.98  (8 if you round)

m = 37.5

b = 43.8

mowing = m

babysitting = b

in all 81.3

Answer:

hi

Step-by-step explanation:

you should know that the sum of interior angles of a hexagon is 720 so

[tex]4x - 10 + 2x + 8 + x - 12 + 7x + 3x + 135 = 720 \\ 17x = 121 \\ x = \frac{121}{17} = 7.11764[/tex]

Answer:

the time taken is 4 hours

Step-by-step explanation:

The computation of the time is shown below:

As we know that

Speed = Distance ÷ Time

50 miles per hour = 200 miles ÷ Time

So the time would be

= 200 ÷ 50

= 4 hours

Hence, the time taken is 4 hours

Answer:

Radius=12cm

Diameter=24cm

Step-by-step explanation:

The diameter is the full length of the circle through the middle (which is shown in the picture as 24cm).

The radius is half of the diameter.

Answer:

radius is 12 cm

diameter 24 cm