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geniusboy [140]
3 years ago
9

since the base of the refraction cup is a half circle how can you find the radius, what is the radius.

Mathematics
1 answer:
Anettt [7]3 years ago
4 0

Answer:

The radius is half the diameter

Step-by-step explanation: what it is

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gayaneshka [121]

Answer:

29.97cm

Step-by-step explanation:

16.99

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8 0
2 years ago
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The official all-time high temperature in Osoyoos, B.C., was 43°C in July 1998. The official all-time low temperature was –21°C
lesantik [10]

Answer: 64°C

Step-by-step explanation:

Official all-time high temperature = 43°C

Official all-time low temperature = –21°C

The difference between the two temperatures will be calculated by subtracting the low temperature from the high temperature. This will be:

= 43°C - (-21°C)

= 43°C + 21°C

= 64°C

6 0
3 years ago
Prove the identity with steps.
Sav [38]
Remember that a double angle formula for cosine is
\cos(2x)=\cos^{2}x-\sin^{2}x

So
\cos^{2}(2x)-\sin^{2}(2x)=\cos(4x)
\rightarrow \cos^{2}(2x)-\sin^{2}(2x)=\cos(2*2x)
\rightarrow \cos^{2}(2x)-\sin^{2}(2x)=\cos^{2}(2x)-\sin^{2}(2x)
4 0
3 years ago
a model of a car is amde to a scale of 1:40. the volume of the model is 45cm^3. calcualte the volume of the car. give your answe
spin [16.1K]

The volume of the car is 1800cm^3 which is equivalent to 0.0018m^3

<h3>Scale modelling</h3>

Given the scale factor that model of a car is amde to a scale of 1:40, Giving that the model as 45cm^3, this means that;

1 = 45cm^2

Determine the volume of the car

40 = x

Find the ratio

1/40 = 45/x

x = 40*45

x = 1800cm^3

x = 0.0018m^3

Hence the volume of the car is 1800cm^3 which is equivalent to 0.0018m^3

Learn more on scale factor here; brainly.com/question/25722260

#SPJ1

6 0
2 years ago
so i just did a math quiz and i was wondering if im trying to do Equations Involving Addition what to do i thought i was doing g
wlad13 [49]

What do you need help clarifying? Did you want to go over the questions you missed? (:

4 0
3 years ago
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