MATHEMATICS MIDDLE SCHOOL

good job on increasing our team sales from 90 to 130 units per day.” wow i never thought that we could increase our sales by

Answers

Answer 1

Answer:

The percentage increase in team sales is 44% and this can be determined by using the unitary method.

Given :

The sales increase from 90 units to 130 units.

The following steps can be used in order to determine the percentage increase in sales:

Step 1 - The unitary method can be used in order to determine the percentage increase in sales.

Step 2 - According to the given data, the team sales are 90 units which are 100%. After increasing the sales becomes 130 units.

Step 3 - So, let the percentage of 130 units be 'x'. So, the value of 'x' is:

$x = (130)/(90)* 100$

$x = 144\%$

Step 4 - So, the percentage increase in sales is:

${\rm Percentage \; Increase } = 144 - 100$

${\rm Percentage \; Increase } = 44\%$

The percentage increase in team sales is 44%.

For more information, refer to the link given below:

brainly.com/question/11897796

Answer 2

Answer:

The sales was increased by 44.4%.

Step-by-step explanation:

Lets do this cumulative
90 of 10 % = 9 which is 99
90 of 10 % = 9 which is 108
90 of 10% = 9 which is 117
90 of 10% = 9 which is 126
90 of 4 % = 3.6 which is 129.6
90 of 0.044% = 0.0396 which is 129.99
This comes to nearly 44.44 to be closer there was an increase.
Always rule 1 approximation use 50% of 90 if it is above 130.
Down it to 40% of 90 see if the sales is lower than 130.
It should always start with 50,40,30....10 percents.
Alternative should be 10,1 or decimals.
Approximation using decimals rounding up becomes simple.

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A baseball team has three different pitchers. The number of runs allowed by each pitcher is shown in the table below. Pitcher Innings pitched Runs allowed Randy 3 2 Felix 5 1/3 4 Johan 7 5 Which pitcher has the lowest number of runs allowed per inning?
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What is 66253 divided by 317

Answers

When you divide 66253/317 you get 209.

equals 209

If you multiply 209x317 it equals 66253

A study found that a student's GPA, g, is related to the number of hours worked each week, h, by the equation g=-0.0007h^2+0.015h+3.03. Estimate the number of hours worked each week for a student with a GPA of 2.15.

Answers

Answer:

A student with GPA of 2.15 worked 47.8 hours per week.

Step-by-step explanation:

To find the numbers of hours worked when the GPA is 2.15, we solve the equation when $g=2.15$ or:

$2.15= -0.0007h^2+0.015h+3.03$

which can be rewritten as (by subtracting 2.15 from both sides)

$-0.0007h^2+0.015h+0.88=0$ .

We solve this using the quadratic equation which says, for $ax^2+bx+c=0$ ,

$x=(-b\pm√(b^2-4ac) )/(2a)$

in our case

$a=-0.0007$

$b=0.015$ ,

therefore, we have

$x=(-0.015\pm√(0.015^2-4(-0.0007)(0.88)) )/(2((-0.0007) )$

$x=(-0.015\pm0.051856 )/(-0.0014 )$

$\boxed{x=47.8}\n\n \boxed{x =-26.3}$

and since only the positive solution applies to the real word, we choose $x=47.8$ , and therefore, a student with GPA of 2.15 worked 47.8 hours per week.

On a biased dice , the probability of getting a 6 is 4/5. The dice is rolled 500 times. How many sixes would you expect to roll?

Answers

Find 4/5 of 500.

4/5*500=400

You will roll 400 sixes.

Final answer:

Given a biased dice with a probability of 4/5 to show a 6, one would expect to roll a six around 400 times in 500 rolls. This calculation is based on the concept of expected value in probability theory. However, the actual outcome can vary due to randomness.

Explanation:

The student's question deals with the concept of expected value in probability theory. The expected value is calculated by multiplying each possible outcome by their respective probability and then adding these values.

In this scenario, with the dice having a probability of 4/5 to show a 6 on every roll, the expected value of 500 rolls would be: 4/5 * 500 = 400.

That means, if you roll the dice 500 times, you would expect to roll a six around 400 times.

Learn more about Expected Value here:

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On the blueprint of a house, 28 millimeters represents 6 meters. The actual length of the living room is 9 meters. What is its length on the blueprint?

Answers

The length on the blueprint is 42 mm.

What is Scale Factor?

Scale factor is a number by which the size of any geometrical figure or shape can be changed with respect to its original size. It is used to draw the enlarged or reduced shape of any given figure and to find the missing length, area, or volume of an enlarged or reduced figure. It should be noted that the scale factor helps in changing the size of the figure and not its shape.

We have,

On the blueprint of a house, 28 millimeters represents 6 meters.

The actual length of the living room is 9 meters.

Then, 6 meter represents

= 28/6

= 14/3

So, the length of living rooms

= 9 x 14/3

= 42 mm

Learn more about Scale Factor here:

brainly.com/question/30215119

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You could create a ratio.

final answer would be 42

Jordan buys a big drum. The diameter of a drum circle is 12 feet. What is the area of the drum?

Answers

In order to complete this question we would need to know the height of the drum and the diameter. then plug the information into this formula. A=2πrh+2πr2 (r= 1/2 diameter)

PLEASE HELP! Answer quickly for points!! There are 5 times as many tomato plants as there are cucumber plants. The number of pepper plants is 7 more than the sum as tomato and cucumber plants. There are 19 pepper plants in the garden. How many tomato plants are there. How many cucumber plants are there?

Answers

let x= cucumber plants
5x= tomato plants
6x+7= pepper plants
peppers = 19
therefore
6x+7=19
subtract 7 from both sides
6x= 12
divide both sides by 6
x=2
replace the x with 2

2= cucumber plants
10= tomato plants

hope this helps

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