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3 years ago

A sales agent makes 40 calls a day. About 15% he calls result in a sale. How many days

Mathematics

1 answer:

Tems11 [23]3 years ago

6 0

Answer: 20 days

Step-by-step explanation:

Since the sale agent makes 40 calls a day and about 15% he calls result in a sale. This means the number of sales will be:

= 15% × 40

= 0.15 × 40

= 6

6 sales out of every 40 calls per day.

The number of calls to make 120 sales will be:

= 15% of x = 120

0.15 × x = 120

0.15x = 120

x = 120/0.15

x = 800 calls

Since he needs 800 calls and he makes 40 calls per day, the number of days needed will be:

= 800/40

= 20 days

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The “strike zone” or distance across home plate is 17 inches. Determine how long a baseball pitched at 90 mph is in the strike z

klemol [59]

Answer:

2.98×10^-6 hrs

Step-by-step explanation:

Speed = Distance/Time

Time = Distance/speed

Given

Distance = 17in

Speed= 90mph

Convert inches to miles

1in = 1.578 × 10-5 mile

17in = 17(1.578 × 10-5) mile

17in = 26.826×10^-5miles

Get the time

Time =26.826×10^-5/90

Time = 0.298×10^-5

Time = 2.98×10^-6 hrs

6 0

3 years ago

Find the range of the following piecewise function.

mash [69]

Answer:

$\huge\boxed{[-5;\ -2)\ \cup\ [3;\ 13)}$

Step-by-step explanation:

The following piecewise functions are linear functions. The graph of any of them is a line segment.

We just need to calculate the value of the function at each end specified in the brace.

$y=3x-2\ \text{if}\ -1\leq x$

Substitute x =-1 and x = 0:

$x=-1\\y=3(-1)-2=-3-2=-5\\\\x=0\\y=3(0)-2=0-2=-2$

Range of this piece is [-5; -2)

$y=2x+3\ \text{if}\ 0\leq x$

Substitute x =0and x = 5:

$x=0\\y=2(0)+3=0+3=3\\\\x=5\\y=2(5)+3=10+3=13$

Range of this piece is [3; 13)

Therefore the range of the following piecewise function is:

$[-5;\ -2)\ \cup\ [3;\ 13)$

Look at the picture.

6 0

3 years ago

Burnem Inc. manufactures thumb drives and sells them to a distributor. Burnem's total cost and total revenue (in dollars) for x

AlladinOne [14]

Answer:

444 thumb drives

Step-by-step explanation:

Break even is the point at which the proceeds are equal to the costs i.e. when Total cost = Total revenue. So using the equations provided, the breakeven point for Burnem Inc. will be 4x + 4884 = 15x, where x is number of thumb drives. We solve for x to get the answer:

4x + 4884 = 15x

4884 = 15x - 4x

4884 = 11x

x = 4884/11

x = 444 thumb drives

3 0

3 years ago

Item 18 You estimate that a puppy weighs 12 pounds. The actual weight of the puppy is 14 pounds. Find the percent error. Round y

Morgarella [4.7K]

Hi!

First find how much you were off by.

14-12=2

Now set up a proportion and cross multiply to solve.

$\frac{2}{14} \frac{x}{100}$

2 x 100 = 200
200/14 = 14.29

The answer is 14.29%

4 0

3 years ago

A skydiver is 760 meters above the ground when he opens his parachute. After opening the parachute, he descends at a constant sp

defon

Answer:

Part A: A linear function because there is a constant rate change.

Part B: y = 760 - 17x

Hope this helps!

4 0

4 years ago