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3 years ago

What is the median of this set of data? 66, 51, 77, 68, 60, 75, 54, 80

Mathematics

2 answers:

olga nikolaevna [1]3 years ago

5 0

67````````````````````````

labwork [276]3 years ago

3 0

51, 54, 60, 66, 68, 75, 77, 80 The median is 67

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A person pay $3500 for 42 lawn mowers, then sells each lawnmower for $99. How much profit does the store make?

masya89 [10]

Answer:

$658

Step-by-step explanation:

42 x 99 = 4,158

4,158 - 3,500 = 658

5 0

3 years ago

Felix Carson is employed at a high school. He has family medical coverage through the school's

Lady bird [3.3K]

Answer:

$56.77 each week

Step-by-step explanation:

He pays for 30% of 9867 per year.

9867*0.3=2960.1

Divide the answer by number of weeks in a year.

= $56.7689

Round.

4 0

3 years ago

Kristen was asked to write each of the numbers in the expression 80,000 x 25 using exponents. Her response was (8 x 10 to the po

Gnom [1K]

Kriste respone is wrong

<em><u>Solution:</u></em>

Given that,

Kristen was asked to write each of the numbers in the expression 80,000 x 25 using exponents

Her response was (8 x 10 to the power of 3) x 5 to the power of 2

No, the response of Kristen is wrong

Let us first understand about exponents

An exponent refers to the number of times a number is multiplied by itself

Given expression is:

$80000 \times 25$

Here, 80000 has 4 zeros

Therefore, it can be raised as 10 power 4

$80000 = 8 \times 10^4$

<em><u>Thus the expression becomes:</u></em>

$80000 \times 25 = 8 \times 10^4 \times 25$

Also, 25 can be written as 5 power 2

$80000 \times 25 = 8 \times 10^4 \times 5^2$

Thus given expression is written as (8 x 10 to the power 4) x 5 power to the power 2

Thus Kristen respone is wrong, because he has raised 10 to power 3

6 0

3 years ago

Please help!!! I’ll mark brainliest!! (Look at picture)

Svetllana [295]

Answer:

$\huge\boxed{\sf (x*4) + (x*5) = 54}$

Step-by-step explanation:

$\sf x(4+5) = 54\\\\Applying \ distributive \ property\\\\(x*4) + (x*5) = 54\\\\Distributive\ Property\ is:\\\\A(B+C) = (A*B)+(A*C)\\\\\rule[225]{225}{2}$

Hope this helped!

4 0

3 years ago

Which of the following is not a function?

rusak2 [61]

Answer: B

Number on the left: x-value
Number on the right: y-value

If there are 2 y-values for one x-value it is NOT considered a function.

For instance in the answer:

(2,3), (2,4), (3,3), (3,4)

You can clearly see that the x-values (2 & 3) repeat more than once; therefore, it is NOT a function.

On the other hand if you have 2 DIFFERENT x-values for the same y-value it IS A FUNCTION.

For ex D: (2,4), (3,4), (5,4), (6,4)

As you can see there are 4 DIFFERENT x-values with same y-value; therefore it is A FUNCTION

To make it easier:

If x-values appear more than once = NOT A FUNCTION

If x-values appear only ONCE = FUNCTION

Remember: y-values are ALLOWED to repeat

I hope this helps. If you have any questions please let me know in the comments.

4 0

3 years ago