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lora16 [44]
3 years ago
9

(x+2 3/13 ) - 1 7/26 =4 5/39

Mathematics
1 answer:
ser-zykov [4K]3 years ago
3 0

x+3-1.26923+4.12821 so if I am wrong it took me a while to work this out

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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
Use a protractor to measure the angle formed by each pair of lines
Dominik [7]
40, 75, 80 Summee bridge? I love them. You’ll have to tell me what grade level. I did them for years.
5 0
3 years ago
Using a Celsius scale, water freezes at 0°C and boils at 100°C. Using a Fahrenheit scale, water freezes at 32°F and boils at 212
natulia [17]
Y= (x(9/5)) + 32; Ex: y=(100(9/5)) + 32 —> 100 x 1.8 (or 9/5) = 180–> 180 + 32= 212 F
5 0
3 years ago
The difference of six times a number and four is twenty. Find the number.
lys-0071 [83]

Answer:

8/3 or 2.667

Step-by-step explanation:

6x+4=20

20-4= 16

6x/6=x

16/6=8/3 or 2.667

8 0
3 years ago
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Would you say that pythagoras’ theorem holds true for hexagons as well? why or why not
kifflom [539]
No, the Pythgorean Theorem only applies to right triangles. To get two right triangles, you divide a rectangle diagonally. Dividing a hexagon into two pieces produces trapezoids or pentagons depending where it is divided. 
7 0
4 years ago
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