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S_A_V [24]
3 years ago
10

Trigonometry please help thank youuuu

Mathematics
1 answer:
DerKrebs [107]3 years ago
7 0

Answer:

x=6.3m

Step-by-step explanation:

Let the opposite side be y in 2nd triangle.

tan 27° = y/9

=> tan 27° X 9 = y

∴ y = 4.585m ≈ 4.59m

cos 43° = y/x

=> cos 43° = 4.59/x

=> cos 43° X x= 4.59

=> x = 4.59/cos 43°

∴ x =  6.276m ≈ 6.3m (corrected to 1 dp)

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Use the equation y = 2/3 x - 1/5 to complete the following the slope is the y intercept is
Naddik [55]

Answer: -1.5

Step-by-step explanation:

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3 years ago
HELP!!!!! part A: Ms.Donaldson earns $18.80 per hour for the first 40 hours she works in a week. She earns 1 1/2 times that amou
Elena-2011 [213]

Answer: A. $907.10

B. $628.236

Step-by-step explanation:

For the first 40 hours, Ms.Donaldson will earn: = 40 × $18.80 = $752.0

We are informed that Ms.Donaldson worked 45.5 hours, this means that she worked an extra 5.5 hours. The amount paid for the extra hour will be:

= 5.5 × 1.5 × 18.8

= $155.10

The amount she earned will be:

= $752.0 + $155.10

= $907.10

B. A health incurrence payment of $34.55 was deducted from Ms.Donaldson's earnings for the week. Therefore, the amount she will have after the deduction will be:

= $907.10 - $34.55

= $872.55

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This will be:

= $872.55 - (28% × $872.55)

= $872.55 - (0.28 × $872.55)

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7 0
3 years ago
A) an = 30 + 12<br> Find the 15th term
Softa [21]
A(15) = 30(15) + 12
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3 0
3 years ago
Read 2 more answers
Which expression is equivalent to 2n + 3n - 0.32n? A.5.32n
il63 [147K]

Answer:

B. 4.68n

Step-by-step explanation:

Given

2n + 3n - 0.32n

= 5n - 0.32n

= 4.68n

Hope it will help :)❤

3 0
3 years ago
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raketka [301]
There is missing information about this question that I found online.
Given function is:
N(t) = 300\cdot 2^{-\frac{t}{8}}
The question is:
<span>Is this exponential growth or decay? Explain using your understanding of the properties of exponents.
</span>This is an exponential decay. 
In general, we can write down exponential functions like this:
f(x)=b^{ax}
Parameter a is the key parameter that will tell how exponential function behaves. If it is positive we have an exponential growth. If it is negative we can rewrite function like this:
f(x)=b^{-ax}=\frac{1}{b^{ax}}
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5 0
4 years ago
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