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Svetllana [295]
3 years ago
12

The marked price of a cellphone is $140 after a markup of 25%. Calculate i.) the cost price for this phone. [2]

Mathematics
1 answer:
kicyunya [14]3 years ago
8 0
25/100 * 140= 35
140+35= $175
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What is equidistant from the vertices of a triangle.
docker41 [41]

Answer:

The circumcenter of a triangle is a point that is equidistant from all three vertices.

Step-by-step explanation:

What is equidistant from the vertices of a triangle?

The circumcenter of a triangle is a point that is equidistant from all three vertices.

5 0
2 years ago
I need help on this question
anyanavicka [17]

Remark

There is a very quick way to do this. Scan the numbers. You want 75 to be the mean, so make it so. Then figure out how many up or down you go from 75. I'll make a list of the givens.

72 - 3 72 is three down from 75 so call it - 3

75 0 That is your desired average so it adds nothing to the score.

74 -1 It is one down from 75, so call it -1

76 +1 It is one up from 75

76 +1 it is one up from 75

75 adds 0.

-3 - 1 + 1 + 1 = - 2

That comes - 2/7 which means that you need a score just under 75. So 75 will give you the right average of 75

Answer B <<<<<

7 0
3 years ago
Divide the binomial by the monomial to find the quotient -36x^4y + 144x^2 y^6/ -4x^2y
elixir [45]
The way that you would do this is by taking -4x^{2} out of the binomial, or as I like to think about it, 'un-distributing'. :p
-4x^{2} out of -36x^{2}y, you end up with 12x^{2}. 
When you take -4x^{2} out of 144x^{2}y{6}, you get -36y^{5}. 
Put it together, and the solution is 12x^{2} - 36y^{5}.

Hope I helped!!
 
8 0
3 years ago
Read 2 more answers
Question 6 of 20 :
valentinak56 [21]

Answer:

A. 7.64

Step-by-step explanation:

4 0
3 years ago
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A ball is kicked into the air and follows the path described by h(t)= – 4.9t^2 + 6t + 0.6, where t is the time in seconds and h
miv72 [106K]
The maximum value can be determined by taking the derivative of the function.

(dh/dt) [h(t)] = h'(x) = -9.8t + 6

Set h'(x) = 0 to find the critical point

-9.8t + 6 = 0
-9.8t = -6
t = 6/9.8

Plug the time back into the function to find the height.

h(6/9.8) = -4.9(6/9.8)^2 + 6(6/9.8) + .6
= 2.4

And I don't understand your second question.
5 0
3 years ago
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