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pickupchik [31]
3 years ago
12

How do you work out percentages

Mathematics
1 answer:
mezya [45]3 years ago
3 0
If you are converting, make the denomenator 100 for fractions or look at 2 decimal places for decimals. if you want to find a certain percentage for a total, make the total of the item 100% and from there find 1% and multiply to the wanted percentage
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Divde 3/4÷5/7 what was the error 5/7÷3/4=5/7*4/3=20/21
Setler79 [48]

instead of changing the 5/7 u change the 3/4

7 0
3 years ago
In the equation x/35 = 7, what is the value of x? <br> A. 35 <br> B. 245 <br> C. 7 <br> D. 5
tensa zangetsu [6.8K]
The equation given in the question has one unknown variable in the ofrm of "x" and there is also a single equation. So it can be definitely pointed out that the exact value of the unknown variable "x" can be easily determined. Now let us focus on the equation given in the question.
x/35 = 7
x = 35 * 7
x = 245
So we can find from the above deduction that the value of the unknown variable "x" is 245. The correct option among all the options given in the question is option "B". I hope the procedure is not complicated for you to clearly understand.
8 0
3 years ago
I don’t know how to do this one.
serious [3.7K]

Answer:

(a) The unit circle is centered at (0,0) with a radius of 1.

(b) The equation of a circle of radius <em>r</em>, with a center located at (0,0):

<em>x</em>²<em>+ y</em>² <em>= r</em>².

(c) (i) P(1,0)

    (ii) P(0,1)

    (iii) P(-1,0)

    (iv) P(0,-1)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The diameter of a sphere is 21.6 cm. What is the sphere's volume? Round to the nearest tenth, if necessary.
NeX [460]
By definition, the volume of a sphere is:
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 V = 5274.0 cm ^ 3&#10; Answer:
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5 0
3 years ago
Which function has zero at x=10 and x=2
Marizza181 [45]

Answer:

Step-by-step explanation: A function y=(x-10)(x-2) will have its zeros at x=10 and x=2. y=x²-12x+20.

Step-by-step explanation:

3 0
3 years ago
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