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azamat
2 years ago
14

A patrol officer used radar to note the speeds of cars, in miles per hour, as

Mathematics
1 answer:
Verizon [17]2 years ago
5 0

Answer: 61 miles per hour.

Step-by-step explanation:

The median is the number that's placed in the middle when the given numbers are either arranged in the ascending it the descending order.

In this case we are already given the speed of the cars as 65, 66, 63, 56, 56 50, 85, 61, 73, 81. We will therefore arrange them in ascending order and this will be:

50, 56, 56, 61, 63, 65, 66, 73, 81, 85.

To change the median speed of

the cars to 63 miles per hour, the 6th number when arranged in ascending order has to be 63. Therefore, in thus case, we will need a speed lessee than 63 miles pee hour. Therefore, option D is the answer.

When we re-arrange with the new speed included. This will be:

50, 56, 56, 61, 63, 63, 65, 66, 73, 81, 85.

Therefore, we can see that the median is 63.

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An art gallery sells paintings at 0.35 per square inch. if a painting is 2 feet 3 inches by 3 feet 5 inches. how much would the
Natalka [10]

Hello!

ANSWER

The painting would cost $387.45.

____________________________________________________________

EXPLANATION

2' 3" = 27"

3' 5" = 41"

Multiply the length by the width (in inches) of the painting.

27 * 41 = 1107

We now know that the area of the painting is 1107in.^{2} Next, multiply the cost per square inch (0.35) by the total amount of square inches (1107).

.35 * 1107 = 387.45



7 0
2 years ago
Someone please help, it was due yesterday UwU
irakobra [83]

Answer:

Step-by-step explanation:

Part A - Where did Phillip make a mistake? Justify your answer using complete sentences.

Use order of operation (PEMDAS)

He should multiply 8 x 4 first

Part B - Solve the expression correctly in the space below.

(5 x 9) - 8 x 4

= 45 - 32

= 13

Part C - Use the same rules of order of operations to solve the expression (8-4) +9 x 3. Explain your steps as you solve it.

(8-4) + 9 x 3

Step 1:   4 + 9 x 3  (Subtract in the parenthesis first)

Step 2:   4 + 27   (Multiply 9 x 3)

Step 3:   31         (Add)

7 0
2 years ago
Harry is making gift bags for a holiday party using two types of candies. He has a total of 84 chocolate candies and 56 peppermi
scoray [572]
What if you add all of those together
4 0
3 years ago
Point LL is located at (4,5)(4,5) on the coordinate plane. Point LL is reflected over the yy-axis to create point L'L ′ . What o
Virty [35]

Answer:

(-4, 5)

Step-by-step explanation:

Since the pint is reflected over the y-axis, its y-coordinate remains the same.

Point (4, 5) has 4 as its x-coordinate. That is 4 units right of the y-axis. The reflection has -4 as its x-coordinate which is 4 units left of the y-axis.

Answer: (-4, 5)

8 0
3 years ago
Solve the inequalities from parts A and D for the variables b and n, respectively.
Greeley [361]

Answer:

Part A: b < 28

Part D: n < 56

Step-by-step explanation:

part A: divide each term in  and simplify.

Inequality Form: b < 28

part d: this is already solved but can be shown in multiple forms.

Inequality Form: n < 56

Interval Notation: ( -∞ , 56)

7 0
2 years ago
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