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pantera1 [17]
3 years ago
5

Find x. Round your answer to the nearest tenth of a degree.

Mathematics
1 answer:
viktelen [127]3 years ago
3 0

Answer: x=52.6°

Step-by-step explanation:

To find the value of x, we have to use our SOHCAHTOA. We can eliminate sine and cosine because both uses hypotenuse, which is not labelled. Therefore, we use tangent.

tan(x)=\frac{17}{13}

To find x, we want to use inverse tangent.

x=tan^{-1}(\frac{17}{13} )      [plug into calculator]

x=52.6

Now, we know that x=52.6°.

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ddd [48]
AVERAGE between 90 and 100%
means not including 90 and 100% but not including 90 or 100%


average=(sum of values in set)/(how many values in the set)

so
4 exams, so there are 4 values
average=(sum)/4

the sum is the known+unknwon
sum=76+99+86+x

so
90<span><</span>average and average <span><</span>100
or
90<span><</span>average<span><</span>100


lets say average=a

a=sum/number
a=(76+99+86+x)/4

90<(76+99+86+x)/4<100
90<(76+99+86+x)/4 and (76+99+86+x)/4<100

solve each for x and find intersection

90<span><</span>(76+99+86+x)/4
times 4 both sides
360<span><</span>261+x
minus 261 both sides
99<span><</span>x


(76+99+86+x)/4<u><</u>100
times 4 both sides
261+x<u><</u>400
minus 261 both sides
x<u><</u>139


so

99<u><</u>x<u><</u>139
since max score is 100
99<u><</u>x<u><</u>100

interval notaion is
[99,100]


answer is 2nd one


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3 years ago
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svetlana [45]
For ∆RNM ~ ∆RPQ
=> RN/RP = RM/RQ
=> 7/8 = 10/14 which is wrong
So ∆RMN is not similar to ∆RQP
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yan [13]

Answer:

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Step-by-step explanation:

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Distribute the 2x

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The Cupcake Factory makes the pattern shown to the right using candy hearts on its Friday Special cupcake. Write an equation usi
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Answer:

A

Step-by-step explanation:

if these are fractions than its A.

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