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KIM [24]
3 years ago
12

1.Draw a linelon the coloured sheet. See Fig. 1.1.1Fig. 1.1​

Mathematics
1 answer:
Lena [83]3 years ago
8 0

Answer:

huh?

Step-by-step explanation:

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A circular sector has a central angle of π6 radians and a radius of 9 ft.
ohaa [14]

Answer:

\approx \: 21.2 \:  {ft}^{2}

Step-by-step explanation:

central \:  \angle   =  \frac{\pi ^{c} }{6}  = 30 \degree \\  \\ area \: of \: the \: sector =  \frac{30 \degree}{360 \degree}  \times \pi {(9)}^{2}  \\  \\  =  \frac{1}{12}  \times 3.14 \times  81 \\  \\  =   \frac{1}{12}  \times 254.34 \\  \\  = 21.195 \:  {ft}^{2}  \\  \\  \approx \: 21.2 \:  {ft}^{2}

8 0
3 years ago
Read 2 more answers
Please help
V125BC [204]

A cone that is sliced through the vertex would make the shape of a triangle.

You are told the h eight is 10 cm and the radius is 4 cm.

The radius would be half the base, so the base would be 4 * 2 =8 cm.

The area of the triangle is found by multiplying the base by the height, then dividing by two.

Area = 8 x 10 = 80

80 / 2 = 40 square centimeters.

3 0
3 years ago
For the equation: D = -0.306c + 0.9979, what is the value of D when c= 1.67? Express answer with the correct number of sig figs?
Gekata [30.6K]

Answer:

<h3>0.48688</h3>

Step-by-step explanation:

Let's solve your equation step-by-step.

d=(−0.306)(1.67)+0.9979

Step 1: Simplify both sides of the equation.

d=(−0.306)(1.67)+0.9979

d=−0.51102+0.9979

d=(−0.51102+0.9979)    (Combine Like Terms)

d=0.48688  

6 0
3 years ago
Match the vocabulary to the part of expression below
Fantom [35]

Answer:

Gas up in my room I don’t know how much you have to do that yet but

Step-by-step explanation:

Abc news I didn’t see you yesterday I didn’t answer you I didn’t answer your phone I didn’t answer your question I don’t understand why

5 0
2 years ago
12(13−14)−15=16+x+4 What is the value of x?
svlad2 [7]
First, distribute the 12
156-168-15=16+4+x
-27=20+x
-47=x
8 0
3 years ago
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