This box plot shows information about the marks scored in a test.
a) What was the median number of marks scored?
b) What was the interquartile range of the marks?
c) What was the range of the marks?

Answer:

T=39.46

Step-by-step explanation:

13(t+13)=676

multiply 13 by t and by 13

then you will have 13t + 169=676

isolate the variable

13t + 169= 676

substract 169 from both sides

13=507 divided both side by 13

T=39

Answer:

49.093

Step-by-step explanation:

Given the regression equation :

ŷ = –0.227x + 50.455

x represents the price of bobbleheads (measured in dollars)

ŷ is the predicted demand of bobbleheads (in units).

Preductwd demand ; when x = 6

ŷ = –0.227(6)+ 50.455

= 49.093

Step-by-step explanation:

G(x) = 2/3 x - 6     switch x and y around and solve for y.

y = 2/3 x - 6

x = 2/3 y - 6

x + 6 = 2/3 y

3/2  x + 9 = y

Answer:

$10.39 is the change

Step-by-step explanation:

We start by calculating the total score

9.55 + 18.12 = 27.67

we now calculate the sales tax

This is 7% of the total

= 7% of 27.67

7/100 * 27.67

= $1.94

The total now comes;

1.94 + 27.67 = $29.61

The total was 2 * 20 = $40

The change was;

$40 - $29.61 = $10.39

Answer:

108 %

Step-by-step explanation:

Answer:

51%

Step-by-step explanation:

(Amount of change/original value)

25.99÷49.99=0.51

Answer:

b = 75m

Step-by-step explanation:

Answer: it’s a

Step-by-step explanation: took the test got it right

The required measurement closest to the area of the circle in square centimeters is 78.5cm². Option B is correct.

The area of the circle is given by the pie times square of the radius.

Area of circle = πr^2

Here,
Let the radius of the given circle be r = 5 cm
Area of the circle = πr²

Substitute the value in the above expression,
Area of the circle = π 5²
Area of the circle = 78.5cm²

Thus, the required measurement closest to the area of the circle in square centimeters is 78.5cm². Option B is correct.

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Answer:

$69

Step-by-step explanation:

Price of book after the price increase

= 60 + 15% of 60

= 60 + 0.15*60

= 60 + 9.0

= $69

Answer:

250 hamburgers were sold on Sunday

Answer:

64.58

Step-by-step explanation:

Answer:154.84%

Step-by-step explanation:

Answer:

Add the equations together

Step-by-step explanation:

The reason why I know this is because they are all like terms so that would be the smartest choice to do first.

If this answer helped you then please mark it as brainliest so I can get to the next rank

Answer:

Y = 5.63

Step-by-step explanation:

137 = 47 + 16y

16y = 90

y = 5.625

Answer:

The correct answer is 51%

Answer:

75/100

Step-by-step explanation:

15/20 = x/100

20x = 1500

x = 1500/20

x = 75

Answer:

Multyplying by 1 third is the same as dividing by 3, so it's the opposite as multiplying by 3.

Answer:

900 cubes with side of 1/10 ft will fill the prism completely for a total volume of 9/10 ft ³

Answer:

total volume=l×b×h=1 1/2×1 1/5×1/2=3/2×6/5×1/2

=18/20=9/10ft³

I think

Answer:

[tex]\boxed {\boxed {\sf b=60 \ meters}}[/tex]

Step-by-step explanation:

This is a right triangle because of the small square in the corner representing a 90 degree angle.

Therefore, we can use the Pythagorean Theorem.

[tex]a^2+b^2=c^2[/tex]

Where a and b are the legs and c is the hypotenuse.

80 and b are the legs, because they form the right angle. 100 is the hypotenuse because it is opposite the right angle.

[tex]a=80 \\b=b \\c=100[/tex]

[tex](80)^2+b^2=(100)^2[/tex]

Solve the exponents.

[tex]6400+b^2=10000[/tex]

Solve for the unknown by isolating the variable. First, subtract 6400 from both sides.

[tex]6400-6400+b^2=10000-6400\\b^2=3600[/tex]

Take the square root of both sides.

[tex]\sqrt {b^2}= \sqrt {3600}\\b=60 \\b= 60 \ m[/tex]

The missing leg is 60 meters.

Answer:

-8i + 12

Step-by-step explanation:

-4i(2 + 3i) = -8i - [tex]12i^{2}[/tex] = -8i - 12 * (-1) = -8i + 12

Answer:

12−8i

Step-by-step explanation:

-(-4 *3+4*2i)

-4*3=12

4*2=8

=12-8i

Answer:

x= -3 , y= - 1

Step-by-step explanation:

hope I was able to help:)

Answer:

Step-by-step explanation:

The solution is, The answer for this case is given by:

y = 2 ^ (x + 2) +3

option 2

Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.

here, we have,

For this case we observe the cut point with the y axis in:

(0, 7)

The function that complies with this is:

y = 2 ^ (x + 2) +3

We have then:

y = 2 ^ (0 + 2) +3

y = 2 ^ (2) +3

y = 4 + 3

y = 7

Answer:

The answer for this case is given by:

y = 2 ^ (x + 2) +3

option 2

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Answer:

Step-by-step explanation:

The terms are:

Given:

Use the nth term formula:

Substitute:

Divide the second equation by the first:

Use the first equation to find the first term:

We have two sequences:

r = 4

r = -4

Answer:

30 yards of fence

Step-by-step explanation:

First, convert 60 feet to yards and 30 feet to yards. Remember, 1 foot= 3 yards.

60/3= 20 yards

30/3= 10 yards

Then you add the length and the width of the fence (in yards) to find the total yards of fence.

20+ 10= 30 yards of fence

Answer:

40%

Step-by-step explanation:

Answer:

40%

Step-by-step explanation:

Answer:

(photo)

Step-by-step explanation:

Since the b in the format is +3 you would have to graph it on the positive three on the y axis then you graph the rise/ run which is 3x

Answer:

Step-by-step explanation:

Find the roots of x² - 17x - 60

Quadratic formula

x = [17 ± √(17² – 4·1(-60))] / [2·1]

 = [17 ± √529] / 2

 = [17 ± 23] /2

 = -3, 20

x² - 17x - 60 = (x+3)(x-20)

Answer:

(x+3)(x-20)

Step-by-step explanation:

x^2+3x-20x-60

x(x+3)-20(x+3)

= (x+3)(x-20)

Answer:

hi thx................

Answer:

5.2 feet

Step-by-step explanation:

It helps if you can make a drawing.

You are looking for the adjacent side of the 71° angle in a right triangle and 15 is the opposite side of the angle.

Let x = the distance from the building to the base of the ladder

Tan 71 = 15/x

xtan71 = 15

x = 15/tan 71 = 5.2 feet