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3 years ago

14

I need the answer please

1 answer:

KatRina [158]3 years ago

6 0

The correct answer is D

Solving for x
2x+6=x+5
2x-x=5-6
X= -1

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Please help! 30 points!

Rashid [163]

Answer: $64.2^{\circ}$

Step-by-step explanation:

According to the cosine rule

$\cos C=\dfrac{a^2+b^2-c^2}{2ab}$

Here, $a=83, b=111, c=165,\ C=180^{\circ}-\theta$

Putting values

$\Rightarrow \cos (180^{\circ}-\theta)=\dfrac{83^2+111^2-165^2}{2\times 83\times 111}\\\\\Rightarrow \cos(180^{\circ}-\theta)=\dfrac{6889+12321-27225}{18426}\\\\\Rightarrow \cos(180^{\circ}-\theta)=\dfrac{-8015}{18426}=-0.4349\\\\\Rightarrow 180^{\circ}-\theta=\cos^{-1}(-0.4349)=115.77^{\circ}\\\Rightarrow \theta=64.23\approx 64.2^{\circ}$

So, the ship turns by $64.2^{\circ}$ north of west

8 0

3 years ago

Which triangle is similar to △ABC if sin(A) = One-fourth, cos(A) = StartFraction StartRoot 15 EndRoot Over 4 EndFraction, and ta

KiRa [710]

Answer:

The answer is D) triangle XYZ

8 0

3 years ago

Read 2 more answers

Which is the value of x in the equation 5x= 15

MatroZZZ [7]

It is 3 because you take 5 times 3 and it equals 15

7 0

3 years ago

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Find the coordinates of all points where the given parabola and line intersect each other

umka21 [38]

The answer is y+d =I 8c 9k

4 0

3 years ago

What is the value of (20−1+52−0)−1×5

lara [203]

<span>19+52−0−(1)(5)</span>
<span><span><span>71−0</span>−<span><span>(1)</span><span>(5)
</span></span></span></span><span><span>71−<span><span>(1)</span><span>(5)
</span></span></span></span><span><span>71−5
</span></span><span><span>Answer:
66</span></span>

4 0

3 years ago