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Ksenya-84 [330]
3 years ago
6

Solve 0.7cos(x)-sin(x)=r for x

Mathematics
1 answer:
lianna [129]3 years ago
4 0

Try this solution (see the attachment), note:

1. the word 'ctgx' means 'cotangens x'; 2. this equation has roots not for all the real number 'r', it is shown in the 2-d line of the answer; 3. the answer is marked with red colour.

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3<br> 100°<br> B.<br> 48<br> 270<br> o<br> ZA=<br> degrees<br> b=<br> (=
solong [7]

Answer:

Angle A = 53

Step-by-step explanation:

All triangles add up to 180 so...

Lets use x to describe angle A

100+27+x=180

127+x=180

x=53

I'm confused what its asking about b and c but hope this helps a bit :)

6 0
3 years ago
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Varvara68 [4.7K]

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2 years ago
Depreciation is the decrease or loss in value of an item due to age, wear, or market conditions. We usually consider depreciatio
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Answer:The value of the bulldozer after 3 years is $121950

Step-by-step explanation:

We would apply the straight line depreciation method. In this method, the value of the asset(bulldozer) is reduced linearly over its useful life until it reaches its salvage value. The formula is expressed as

Annual depreciation expense =

(Cost of the asset - salvage value)/useful life of the asset.

From the given information,

Useful life = 23 years

Salvage value of the bulldozer = $14950

Cost of the new bulldozer is $138000

Therefore

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The value of the bulldozer after 3 years would be

V = 138000 - 5350×3 = $121950

4 0
3 years ago
Jane used a total of 7 1/4 gallons of gas while driving her car. Each hour she was driving, she used 5/6 gallons of gas. What wa
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Answer:si

Step-by-step explanation:

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4 years ago
Twice the quantity of a number plus two is greater than the number plus five.
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2(x+2) > x+5
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2x+4-x > x+5-x
x+4 > 5
x+4-4 > 5-4
x > 1
7 0
4 years ago
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