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SIZIF [17.4K]
3 years ago
12

Help please 31-33 I'm very confused

Mathematics
1 answer:
Alexxandr [17]3 years ago
5 0
I'm not going to dignify this question with a response. xD
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2 years ago
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A circular plate has a circumference of 119.32cm. Calculate the diameter.
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Answer:

Diameter is equal to 38 cm.

Step-by-step explanation:

We know that the circumference equals  πd (where d is the diameter).

If we round the value of π to 3.14 then we will get...

πd = 119.32

(3.14)d = 119.32

d = 119.32 / 3.14

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Therefore the diameter is equal to 38 cm

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2 years ago
What are the values of x and y?
tresset_1 [31]

Step-by-step explanation:

y is easy.

it is the Hypotenuse (baseline) of the small right-angled triangle created by the height (8) of the main triangle, the segment 6 of the main Hypotenuse and y.

so, Pythagoras :

y² = 8² + 6² = 64 + 36 = 100

y = 10

x is a bit more complex.

I think the easiest way to get it is to know that the height of a right-angled triangle to the Hypotenuse is the square root of the product of both segments of the Hypotenuse.

so, if we call the segments of the Hypotenuse a and b with a = 6, we have

x = a + b = 6 + b

height (8) = sqrt(a×b) = sqrt(6b)

therefore,

6b = height² = 8² = 64

b = 64/6 = 32/3 = 10 2/3 = 10.66666666...

so,

x = 6 + 10.66666... = 16.666666666...

round it to what is needed. e.g. 2 positions after the decimal point (hundredths) ? then it would be 10.67

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2 years ago
If V = 12R / (r + R) , then R =
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3 years ago
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Please answer for me as I need help ASAP
tamaranim1 [39]

Answer:

Step-by-step explanation:

In the multiple you add the power and in the ÷ ye substract the power as in firts one it is 4 power 3+9

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2 years ago
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