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Answer:

Mean

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

Mean=76

Median=72.5

Step-by-step explanation:

Mean= 70+71+72+73+74+96

                         456/6=76

Median = 70,71,72,73,74,96

               72+73=145/2=72.5

Mean= 76

Median= 72.5

The first step is to rearrange the numbers

70, 71, 72, 73, 74, 96

1. mean= sum of terms/number of terms

= 70+71+72+73+74+96/6

= 456/6

= 76

2. Median can be described as the middle number, the median can be calculated as follows

= 72+73/2

= 145/2

= 72.5

Hence the mean is 76 and the median is 72.5

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Answer: how are you doing this tho

Step-by-step explanation:

The 1/3 of 5/8 as a fraction is 5/24 after applying the arithmetic operation the answer is 5/24.

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

It is given that:

1/3 of 5/8 as a fraction

Let x be the fraction:

x = 1/3 of 5/8

Or

x = (1/3)(5/8)

The arithmetic operation can be defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.

After multiplication:

x = 5/24

Thus, the 1/3 of 5/8 as a fraction is 5/24 after applying the arithmetic operation the answer is 5/24.

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Answer:

4) 7k² + 9k

= k(7k + 9)

5) x² - 25

= (x)² - (5)².

(a² - b²) = (a+b)(a-b)

= (x - 5)(x + 5)

Width of the enlarged photograph = 14 cm

Length of a small photograph = 6 cm

Width of a small photograph = 4 cm

Length of the photograph when enlarged = 21 cm

Let the width of the photograph when enlarged be x.

Which means :

[tex] = \tt 4 : 6 : : x : 21[/tex]

[tex] =\tt \frac{4}{6} = \frac{x}{21} [/tex]

[tex] =\tt 4 \times 21 = 6 \times x[/tex]

[tex] =\tt 84 = 6x[/tex]

[tex] =\tt x = \frac{84}{6} [/tex]

[tex] =\tt x = 14[/tex]

Thus, the value of x = 14

Therefore, the width of the enlarged photograph = 14 cm

Answer:

if the period is a multiplication sign then its 135

Step-by-step explanation:

Answer:

135

Step-by-step explanation:

following the PEMDAS rule, of course

Answer:

I think 1/4

Step-by-step explanation:

1000% ÷ 4 =250%

Step-by-step explanation:

(250÷50)/(100÷50) = 5/2 when reduced to the simplest form.

Answer:

x=7

Step-by-step explanation:

x+5=12

 -5  -5

  x=7

Answer:

y = 120

Step-by-step explanation:

y = 4x (corresponding angles)

y + 2x = 180

substitute the value of y into the second equation

4x + 2x = 180

6x = 180

x = 30

now that we have the value of x, plug it into either equation and solve for y

y = 4 (30)

y = 120

Answer:

Step-by-step explanation:

14r=84, r=84/14=6, so the hourly rate is $6 an hour so

y(x)=6x

Since this is of the form y/x=k or y=kx it is directly proportional. Inverse proportion is of the form yx=k or y=k/x

Answer:

1890 cubic inches

Answer:

C and D

Step-by-step explanation:

I'm guessing the 3 in A and B are exponents, only equations with an highest exponent of 1 is linear

Answer:

x = [tex]\sqrt{116}[/tex]

Step-by-step explanation:

Remember the pythagorean theorem is A^2 + B^2 = C^2\

C is the hypotenuse which you are looking for.

SO

100 + 16 = [tex]\sqrt{116}[/tex]

ANSWER [tex]\sqrt{116}[/tex] or about 10.7703296143

Answer:  After they've played 8 games, they will have the same amount of money remaining.

Step-by-step explanation:

Represent the number of games by the variable x and the remaining amount of money by the variable y.  

 Deanna's situation can be represented by the equation   y = 15 - 0.75x  

Lisa's situation can be represented by the equation   y = 13 - 0.50x  

Now to find out how many games they will have the same amount of money remaining, you have to use substitution and solve for x.

15 - 0.75x = 13 - 0.50x

-13               -13

        2 - 0.75x = - 0.50x

             +0.75x      +0.75x

  2 =  0.25x  

 x  = 8  

Answer:

AB = 10

CW = 8

angle BAD = 50

angle CDB = 65

angle DWA = 90

angle WCD = 25

Step-by-step explanation:

use the known facts that a rhombus = 360 degrees, pythagorean theorem, etc. if you want a full explanation lmk and i can edit my response

Answer:

x/3 + 6 = 14

Step-by-step explanation:

Answer: (-3,-4)

Step-by-step explanation:

If the any x variable is repeated, it is not a function!

Answer:

189 students

Step-by-step explanation:

Answer:

the distance is: [tex]\sqrt{80}[/tex]

Step-by-step explanation:

We use he distance formula:

distance = [tex]\sqrt{(-9 + 1)^2+(3+1)^2}=\sqrt{64+16} =\sqrt{80}[/tex]

Answer:

Step-by-step explanation:

[tex]d^2=(x_2-x_1)^2+(y_2-y_1)^2\\ \\ d^2=(3- -1)^2+(-9- -1)^2\\ \\ d^2=4^2+(-8)^2\\ \\ d^2=16+64\\ \\ d^2=80\\ d=\sqrt{80}\\ \\ d=4\sqrt{5}\\ \\ d\approx 8.9[/tex]

Answer:

x = 54

Step-by-step explanation:

Since both triangles are similar, therefore,

[tex] \frac{UV}{PQ} = \frac{VW}{QR} [/tex]

[tex] \frac{77}{66} = \frac{63}{x} [/tex]

[tex] \frac{7}{6} = \frac{63}{x} [/tex]

Cross multiply

[tex] 7*x = 63*6 [/tex]

[tex] 7x = 378 [/tex]

Divide both sides by 7

x = 54

Answer:

16,100

Step-by-step explanation:

1.61 x 10,000

Answer:

Elga is 27 years old

Step-by-step explanation:

        AGE

Alvin 2x

Elga  x

x+2x = 81

81=3x

81/3=x

x=27

Hope this helps! (:

Answer:

20.25

Step-by-step explanation:

81 = (x*2)*2

81 ÷2 ÷2 = x

x = 20.25 or 20 and 1/4

Answer:

$2,874.19

Step-by-step explanation:

Hope this helps

Answer:

Literally any even number that’s not two or four

Step-by-step explanation:

I need a layout

Answer:

Step-by-step explanation:

16 students study spanish, but 6 student that study spanish are also in the band.

16-6=10

So there are 10 students who only study spanish.

Answer:

4) 1/5

5) 5/28

6) 7/36

Step-by-step explanation:

4) 3/15=1/5

5) 5/28

6) 14/72=7/36

Answer:

3/5 × 1/3 = 1/5

5/7 × 1/4 = 5/28

7/8 × 2/9 = 7/36

Step-by-step explanation:

Answer:

10:15

Step-by-step explanation:

Answer:For the first one, it should be f(a)=37.8(1-cos(a))+.7. My dearest apologies because I do not know why. I just used context from the previous questions. I hope that helps..!

Step-by-step explanation:

The height of the given Ferris wheel can be described with the aid of a

sinusoidal function.

The height above the ground in terms of the angle turned, a, is

presented as follows;

The height above the ground in terms of the distance traveled, s, is

presented as follows;

Reason:

The general form of an equation of a Ferris wheel is presented as follows;

f(a) = A·sin(a + C) + D

Where, the amplitude, A = The radius = 37 ft.

D = The midline = Height above the ground + The amplitude

D = A + 0.6 = 37 + 0.6 = 37.6

The 6 O'clock is the lower most position, therefore, at the start, where, 'B·t + C' = 0, we have;

f(a) = A·sin(0 + C) + D

Therefore

f(a) = 37·sin(0 + C) + 37.6 = 0.6

f(a) = 37·sin(C) = 0.6 - 37.6 = -37

[tex]sin(C) = \dfrac{-37}{37} = -1[/tex]

C = sin⁻¹(-1) = [tex]-\dfrac{\pi}{2}[/tex]

The equation of Ferris wheel is presented as follows;

Which gives the equation of the height above the ground (in feet) in terms

of the number of radians, a, you have swept out from the 6 O'clock

position is given as follows; Ferris ;

Part 2

s = a·r = a·A

Therefore;

[tex]a = \dfrac{r}{s} = \dfrac{A}{s} = \dfrac{37}{s}[/tex]

Plugging the value of s into the above equation gives the function that

determines the height above the ground (in feet) in terms of the number of

feet traveled g(s) as follows;

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