Mark works at a popular electronics retail store. He earns a fixed income of $18 an hour and a 5% commission on the sales he makes. Let's say,
y = earnings
h = number of hours worked
s = amount of sales

Which of these equations correctly indicates how much Mark earns in a day?

A : y=18h+0.5s
B : y=18h+0.05s
C : y=h/18+5s
D : y=h/18+s/5

Answers

Answer 1

Answer: the answer is B...........

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P(-6,5); y= 2x - 3
What is the equation of the perpendicular line that contains line P?

Answers

Two lines are perpendicular if the product of their slopes is -1.
$y=mx+b \perp y=2x-3 \n \Downarrow \nm * 2=-1 \nm=-(1)/(2) \n \ny=-(1)/(2)x+b \nP(-6,5) \nx=-6, \ y=5 \n\Downarrow \n5=-(1)/(2) * (-6)+b \n5=3+b \n5-3=b \nb=2 \n \n\boxed{y=-(1)/(2)x+2}$

For each hour he babysits, Anderson earns $1 more than half of Carey’s hourly rate. Anderson earns $6 per hour. Which equation can be used to solve for Carey’s hourly rate, c?

Answers

Answer:

The equation is 1/2c + 1 = 6

The answer to this equation is 10.

Step-by-step explanation:

Anderson earns $1 more, so you would put '+1' in the equation. Since it says 'half of Carey's hourly rate', you would put 1/2c in the equation. $6 is the total, so that would go on the other side of the equation, thus creating the final equation 1/2c + 1 =6.

Carey earns c hourly
Anderson earns $6 hourly which is also 1+ c/2
So, 6=1+c/2
12=2+c
c=$10
Carey earns $10 hourly

What is the diagonal of a rectangle with length 48 inches and width 40 inches?

Answers

Use the Pythagorean Theorem: $a^2 + b^2 = c^2$
You can do this because when you cut the rectangle in half with the diagonal, it forms a right triangle, making the diagonal the hypotenuse (c).

$40^2 + 48^2 = c^2$

$1600 + 2304 = c^2$

$3904 = c^2$

$√(3904) = √(c^2)$

$62.48 = c$

Diagonal: 62.48 inches

i think its D=w2+l2=402+482≈ 62.482in

How do you identify a function if you have a TABLE?

Answers

Answer:

You could set up the relation as a table of ordered pairs. Then, test to see if each element in the domain is matched with exactly one element in the range. If so, you have a function!

Step-by-step explanation:

"The sum of three numbers is 48. The second number is three times the first, while the third number is twice the first. Find the numbers What is the average of the numbers" 1. The three numbers are 8, 24, and 16. 2. The three numbers are 12, 36, and 24. 3. The three numbers are 10, 30, and 20. 4. The three numbers are 15, 45, and 30.

Answers

Answer: 1st choice : 8, 24, 16 and the average of the three numbers is 16

Step-by-step explanation:

let these 3 numbers be represented as x, y, z

x is the first, y is the 2nd, and z is the third.

x + y + z = 48

y = 3x

z = 2x

x + 3x + 2x = 48

6x = 48

x = 8

y = 3*8 = 24

z = 2*8 = 16

Average = (x+y+z)/3 = 48/3 = 16

From MysticAlanCheng

The Robinson family goes to the library. There are 5 people in thefamily. Each person borrows 2 books. How many books does the
family borrow in all?
What is the unknown in this problem?
number of people in the family
number of books for each person
number of books in all

Answers

Answer:

10 books

Step-by-step explanation:

5 × 2 = 10

unknown in this problem is number of books in all

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