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Ostrovityanka [42]
2 years ago
14

What is the area of the sector that is not shaded?

Mathematics
1 answer:
Elza [17]2 years ago
6 0
There’s no photo attached but i’ll be happy to help you with the question!
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i need help with 3 (along with 3a-c) i am confused on what to do with the numbers that are in degrees...
iVinArrow [24]

Answer:

The answer to your question is below

Step-by-step explanation:

Let p = \frac{cos x + siny}{\sqrt{w^{2} - z}}

x = 36°

y = 18°

w = 29

z = 21.8

- Substitution

p = \frac{cos 36 - sin 18}{\sqrt{29^{2} - 21.8}}

- Simplification

p = \frac{0.809 - 0.309}{\sqrt{841 - 21.8}}

p = \frac{0.5}{\sqrt{819.2}}

p = \frac{0.5}{28.622}

a) Result

p = 0.017469281

b) Three significant figures

p = 0.017

c) Scientific notation

p = 1.7 x 10⁻²

a = 1.7   k = -2

7 0
3 years ago
Read 2 more answers
30 preschoolers are going to a field trip 60% of them will be bringing their own lunch how many lunches does the teacher need to
sweet-ann [11.9K]

Answer:They will need to make 18 lunches

Step-by-step explanation: How I did it was use the website demos scientific calculator and put the question of what is 60% of 30 and it gave the answer!

3 0
3 years ago
Read 2 more answers
Sam Houston's Arms
OLga [1]

Answer:

The length of the statue's arm is<u> 26.22 ft.</u>

Step-by-step explanation:

Let the length of the statue's arm be 'x'.

Given:

Height of statue is, H=67\ ft

Height of male is, h=5\ ft\ 9\ in=5\ ft+\frac{9}{12}\ ft=5+0.75=5.75\ ft

Length of the male's arm is, l=27\ in=\frac{27}{12}=2.25\ ft

Now, as the size of Sam Houston's statue is proportional to that of an adult male, therefore, their heights and arm lengths will also be in proportion. So,

\frac{H}{h}=\frac{x}{l}\\x=\frac{H}{h}\times l

Now, plug in the given values and solve for 'x'.

x=\frac{67}{5.75}\times 2.25\\x=26.22\ ft

Therefore, the length of the statue's arm is 26.22 ft

7 0
3 years ago
A box is filled with 5 brown cards, 4 red cards, and 5 green cards. A card is chosen at random from the box. What is the probabi
DENIUS [597]

Answer:

10 out of 14

10/14

5/7

Step-by-step explanation:

3 0
3 years ago
Hey, can anyone help me with this pls
poizon [28]

Answer:

it's B

Step-by-step explanation:

I'm quite sure it is. Hope it helps u

3 0
3 years ago
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