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Mice21 [21]
3 years ago
13

PLEASE HELP, 20 POINTS

Mathematics
1 answer:
iragen [17]3 years ago
6 0

Answer:

#2

Step-by-step explanation:

i just know it and ive done it before bro.

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What equation represents a circle with its centre at the origin, and a radius measuring 12 units
Nastasia [14]

Answer:

The equation is x² + y² = 144.

Step-by-step explanation:

This works the same way as before.

You know that at the origin, it equals (0, 0). So, we have no need to insert values for h and k. Therefore, it will just be x² + y² = r².

R is your radius, and this is given as 12 units. So, r = 12. Therefore, r² = 144.

Your final equation is x² + y² = 144.

3 0
3 years ago
Onondaga Electronics operates on a net-profit rate of 20% on its printer cables. If the markup is $8.95 and the overhead is $4.3
asambeis [7]

Answer:

The selling price be $79.56 .

Step-by-step explanation:

Let us assume that the cost price be x.

As given

If the markup is $8.95 and the overhead is $4.31 .

Selling price = Cost price + Markup price + Overhead price

                    =  x + 8.95 + 4.31

                    = x + 13.26

Profit = Selling price - Cost price

         =  x + 13.26 - x

         = $ 13.26

Formula

Profit\ percentage = \frac{Profit\times 100}{Cost\ price}

Putting the values in the above formula

20= \frac{13.26\times 100}{x}

x= \frac{13.26\times 100}{20}

x= \frac{1326}{20}

x = $ 66.3

Thus cost price be $66.3 .

Thus

Selling price =  $66.3 + $13.26

                     = $ 79.56

Therefore the selling price be $79.56 .


5 0
3 years ago
Consider the scatter plot.
julia-pushkina [17]

Answer:

A

Step-by-step explanation:

An outlier is a data point that seems like it shouldn't belong; it could be extremely small or extremely big or simply not even a part of the correlation.

Looking at the scatter plot, it's quite clear that there is one point far from the others. This will be the outlier.

Observe its coordinates; they are about (8.8, 5.2).

So, the answer is A.

Hope this helps!

5 0
3 years ago
Read 2 more answers
A principal of $4,570 is placed in an account that earns 4.5% interest. If the interest is compounded annually, how much money w
tensa zangetsu [6.8K]

Answer:

$5695.05

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The graph h = −16t^2 + 25t + 15 models the height and time of a ball that was thrown off of a building where h is the height in
Olenka [21]

Answer:

A

Step-by-step explanation:

If you graph the equation f(x) = -16x^2+25x+15. You would need to pay attention to the x value which is somewhere in between 0.75-0.9.

Another way is to convert the equation into vertex form.

6 0
3 years ago
Read 2 more answers
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