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konstantin123 [22]
3 years ago
5

Someone please help me. I don't have a pen and paper to work this out

Mathematics
2 answers:
earnstyle [38]3 years ago
5 0
I hope this helps you





GarryVolchara [31]3 years ago
3 0
All the angles have to equal 360 degrees. so that means you would add all the angles together. Since there is one variable and not a lot of multiplication or other things you can just add all like terms so you would have a constant and then an x term that would sum up to 360, make sure to take into account the signs of each number. then solve for x by adding 15 to both sides and then dividing by 25 on both sides to get x=15.

4x+11x+2x+8x-17-3-4+9=360
25x-15=360
25x-15+15=360+15
25x/25=375/25
x=15

So c would be your answer
 
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What is the approximate value of x in the diagram below? (Hint: You will need
Delicious77 [7]

Answer:

B. 39.59

Step-by-step explanation:

So 43 degrees, you know the length of the opposite side (27) and the angle (43 degrees), the only unknown is the hypotenuse. So you're looking for a trigonometric ratio that uses the angle (all of them do, except technically the inverse don't), the opposite side, and the hypotenuse. Sine is defined as \frac{opposite}{hypotenuse}. So let's plug in known values:

sin(43) = \frac{27}{x}

Multiply both sides by x

sin(43) * x = 27

divide both sides by sin(43)

x=\frac{27}{sin(43)}

Normally I would use a calculator, but in this case I'll use the approximation given in the problem of 0.682

x=\frac{27}{0.682}

simplify the fraction

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8 0
2 years ago
Check my work? I came up with 60 degrees. Let me know!
dalvyx [7]
90 minus 32 is 58! You were off by two degrees:)
3 0
3 years ago
Read 2 more answers
A very large book is numbered to 1 to 11521 How many digits are used to print all these page numbers
stealth61 [152]

Answer:

46,499 digits

Step-by-step explanation:

Total pages of book = 11,521

9 pages numbered 1 - 9 that need 1 digit each = 9 × 1

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9000 pages numbered 1000 - 9999 that need 4 digits each = 9000 × 4

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1522 pages numbered 1000 - 11521 that need 5 digits each = 1522 × 5

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Total digits needed = 9 digits + 180 digits + 2,700 digits + 36,000 digits + 7,610 digits

= 46,499 digits

5 0
3 years ago
Dominic observes the number of birds that come to the feeder each day for a
olchik [2.2K]

I think it would be 55

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