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kirill [66]
3 years ago
7

Determine the domain and range for the function m(x)=-x^2+4x-3

Mathematics
1 answer:
jasenka [17]3 years ago
4 0

Answer:

domain is all real numbers

range is y is less than or equal to 1 (it is a downward parabola)

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Researchers studying the relationship between honesty, age, and self-control conducted an experiment on 160 children between the
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Answer:

The population of interest in this study is:

children between the ages of 5 and 15.

Step-by-step explanation:

In research methodology, the population of interest is the comprehensive group of individuals, institutions, objects, and so forth who possess some common characteristics that are the interest of the researchers.  In our example, the researchers are studying the relationship between honesty, age, and self-control. The common characteristic of the group in this case is the age group between the ages of 5 and 15.  This characteristic distinguishes the children of this age group from other individuals, institutions, objects, and so forth.

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PLS HELP THIS IS DUE
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I think the correlation is linear, and the outlier is 26,46
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Simplify. <br> –20 + (–2) • (–6) =
garik1379 [7]
You would do 2 times 6 and get 12. Then you subtract 12 from -20 and you get -8. so -8 is your answer.
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3 years ago
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The bearing of a plane from an airport is 65 degrees. Calculate the bearing of the airport from the plane
olasank [31]

Answer:

245°

Step-by-step explanation:

the bearing is 180° + 65° = 245°


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3 years ago
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if your good at maths this for you, lets see if u get em correct, in return I'll brainlist you/ give u 5 star n a like! ​
k0ka [10]

Answer:

a) 13/20 and 0.65

b) $13

c) $33

d) $455

e) $3.3

f) $29.7

g)$339.5

Step-by-step explanation:

Each hoodie costs the trader $20 and he intends to sell it at a Percentage markup of 65%

a) Write a percentage Markup value as a

I) Fraction

Percentage Markup = 65%

65% = 65/100 = 13/20

II) Decimal

= 65% = 65/100 = 0.65

b) Calculate the value of Markup of each hoodie

This is calculated as:

65% × Cost price

= 65% × $20

0.65 × $20 = $13

c) What price would the hoodies be?

Cost price of hoodie = $20

Percentage Markup = 65%

The selling price = x

Percentage Markup = Selling price - Cost price/Cost price

65% = x - $20/$20

Cross Multiply

0.65 × $20 = x - $20

13 = x - $20

x = $20 + 13

x = $33

Therefore, the selling price = $33

d) If the seller sells 35 hoodies on her first day, what is her profit.

Profit = Selling price - Cost price

Profit = $33 × 35 hoodies - $20 × 35 hoodies

Profit = $1155 - $700

Profit = $455

We are told that to improve sales, the seller gives a discount of 10% on selling price

Hence:

Selling price = $33

e) What is the discount amount for each hoodie

Discount Amount = % Discount × Selling price

Discount Amount = 10% × $33

= $3.3

f) What is the new selling price =

Old selling price - Discount amount

= $33 - $3.3

= $29.7

g) What profit does the seller make on each hoodie after the 10% discount for 35 hoodies

Profit = Selling price - Cost price

Profit = $29.7 × 35 hoodies - $20 × 35 hoodies

Profit = $1039.5 − $700

= $339.5

5 0
3 years ago
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