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trasher [3.6K]
3 years ago
6

Please help out would really appreciate it

Mathematics
1 answer:
valentina_108 [34]3 years ago
8 0

Answer:

Step-by-step explanation:

1. Apply the Pythagoras theorem to determine the value of x, we have;

/Hyp/^{2} = /Adj 1/^{2} + /Adj 2/^{2}

x^{2} = 15^{2} + 8^{2}

   = 289

x = \sqrt{289}

x = 17

2. Trigonometric ratios of <D.

i. Sin <D = \frac{opposite}{hypotenuse}

              =  \frac{8}{17}

ii. Cos <D = \frac{Adjacent}{Hypotenuse}

                = \frac{15}{17}

iii. Tan <D = \frac{Opposite}{Adjacent}

                 = \frac{8}{15}

3. Trigonometric ratios of <F.

i. Sin <F = \frac{opposite}{hypotenuse}

             = \frac{15}{17}

ii. Cos <F = \frac{Adjacent}{Hypotenuse}

              =  \frac{8}{17}

iii. Tan <F = \frac{Opposite}{Adjacent}

               = \frac{15}{8}

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Mrs Smith has 12 times as many markers as color pencils the total number of markers and colored pencils is 78 how many markers d
yawa3891 [41]
<em>x = markers</em>
<em>y = colored pencils</em>

12x = y

x= 72
y = 6

Okay, so what I did was divide 78 by 12 (to find the number of colored pencils) which gave me 6.5. You can't have half a colored pencil, so I rounded the number down to get 6. To find the number of markers, I multiplied 12 and 6 <em>(12x = 6) </em>which gave me 72. To check my answer I added the two amounts, 72 + 6, which gave me 78.

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3 years ago
Help math word problem
erastova [34]

Lets x = # pounds of coffe

70 - 8.06x = 37.76

- 8.06x = - 32.24

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Answer

4 lbs

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3 years ago
Help answer please! math question
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Answer:

he will use 2 posts.

Step-by-step explanation:

the two posts together will make 1 foot, so with one post on each endof the 7 foot deck, that leaves 6 feet between them.

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Hi guys can you please help me with this test.
Anika [276]
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3 years ago
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DedPeter [7]

Answer:

1. cos = adjacent / hypotenuse

tan = opposite / adjacent

sin = opposite / hypotenuse

2. cos = adjacent / hypotenuse

cos(G) = 429/821 = 0.5225 ≈ 0.523

tan = opposite / adjacent

tan(G) = 700/429 = 1.6317 ≈ 1.632

sin = opposite / hypotenuse

sin(G) = 700/821 = 0.8526 ≈ 0.853

3. Part A:

sin(G) = opp / hyp = 420/427 = 0.9836 ≈ 0.984

Part B:

tan(Z) = opp / adj = 77 / 420 = 0.1833 ≈ 0.183

Part C:

cos(Z) = adj / hyp = 420 / 427 = 0.9836 ≈ 0.984

Part D:

sin(M) = opp / hyp = 427 / 427 = 1

Part E:

The sine value of any right angle is 1. The opposite side to the right angle is the hypotenuse.

Explanation:

1. Use "SohCahToa" to remember the equations.

S = o/h         C = a/h       T = o/a

"o" for opposite; "h" for hypotenuse; "a" for adjacent

"S" is sine; "C" is cosine; "T" is tangent.

2. Use the formulas for sin, cos and tan. Substitute the numbers for each side into the equations.

Since the values depend on ∠G, ∠G determines which side is opposite or adjacent. The adjacent side touches ∠G but the opposite side does not. The hypotenuse is the longest side.

3. Use the sin, cos and tan formulas from question 1. Which side is called opposite or adjacent depends on which angle (G, Z or M).

5 0
3 years ago
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