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sergij07 [2.7K]
3 years ago
7

Plz help me out, this is from a study guide for my test today! thank you!

Mathematics
1 answer:
JulijaS [17]3 years ago
3 0
C. t = 2d + 3
That is the equation that represents the chart
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How do I find value
olganol [36]

71

Step-by-step explanation:

subtract all from 360 degrees

6 0
3 years ago
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2) A girl starts from a point A and walks 285m to B on a bearing of 078°. She then walks due south to a point C which is 307m fr
adelina 88 [10]

Answer:

bearing of A from C is - 65.24°

the distance |BC| is 187.84 m

Step-by-step explanation:

given data

girl walks AB = 285 m (side c)

bearing angle B = 78°

girl walks AC = 307 m (side a)

solution

we use here the Cosine Law for getting side b that is

ac² = ab² + bc² - 2 × ab × cos(B)     ...............1

307² = 285² + x²  - 2 × 285 cos(78)

x = 187.84 m

and

now we get here angle θ , the bearing from A to C get by law of sines

sin (θ) = \frac{187.84}{307} \times sin(78)

sin (θ) =  0.5985  

θ = 36.76°

and as we get here angle BAC that is

angle BCA = 180 - ( 36.76° + 78° )

angle BCA = 65.24°

and here  negative bearing of A from C so - 65.24°

7 0
3 years ago
(HELP!!)For which pair of points can you use this number line to find the distance?
mrs_skeptik [129]

Answer:

I think its D but I'm not sure. I think you're right.

Step-by-step explanation:

8 0
3 years ago
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A 6-foot piece of ribbon costs $15.84. What is the price per inch?
sleet_krkn [62]

Answer:

$0.22/inch

Step-by-step explanation:

6 ft = 72 inches

15.84/72 =0.22

6 0
4 years ago
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The Candle Company is having its semiannual sale. All items are 40 percent off. If the original price of a candle basket is $120
Lilit [14]
An easy way to do this question is finding 40% of 120 then subtracting it from $120. This is done in a few ways, i use the unitary method:
120/100= 1% =1.2
     x40 to find 40% = $48
120-48= 72
The sale price is 72

OR

multiply 120 by .6 to find the result with 40% taken away

5 0
4 years ago
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