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ioda
2 years ago
13

I need help ASAP please and thank you

Mathematics
1 answer:
Cloud [144]2 years ago
6 0

Answer:

x=93°

Step-by-step explanation:

Angles in a triangle equals 180°

Represent the unknown angle in the triangle with y.

35°+58°+y=180°

93°+y=180°

y=180°-93°

y=87°

Angles on a straight line equals 180°

x=180°-87°

x=93°

As always, willing to help...

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6. Can an isosceles triangle be an obtuse triangle? Explain.
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Answer:

No. It can be obtuse angle are angles greater than 90° but less than 180°

And for an isosceles triangle, two angles must be equal so if two angles are greater than 90° that mean the sum of angle in a triangle is above 180° which is not possible

Step-by-step explanation:

5 0
3 years ago
Based on data collected 5 years ago, a hotel expects that 24% of all guests will request smoking rooms. The hotel suspects that
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Answer:

The calculated value Z = 2.3084 > 1.96 at 5% level of significance

Null hypothesis is rejected

Alternative hypothesis is accepted

The hotel does not expects that 24% of all guests will request smoking rooms

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given the hotel takes a random sample of 223 guests. Out of this sample, 39 guests requested smoking rooms.

Sample proportion

                          p = x/n = 39/223 = 0.174

Given Population proportion 'P' = 0.24

Given random sample size 'n' = 223

Level of significance ∝ =0.05

The critical value Z₀.₀₅ = 1.96

<u><em>Null Hypothesis</em></u> (H₀) : P=0.24

<u><em>Alternative Hypothesis</em></u> (H₁) : P≠ 0.24

<u><em>Step(ii)</em></u>:-

<em>Test statistic </em>

            Z = \frac{p-P}{\sqrt{\frac{PQ}{n} } }

           Z = \frac{0.174-0.24}{\sqrt{\frac{0.24 X 0.76}{223} } }

           |Z| = | -2.3084|= 2.3084

The calculated value Z = 2.3084 > 1.96 at 5% level of significance

Null hypothesis is rejected

Alternative hypothesis is accepted

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7 0
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Answer:

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Given,

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Thus, probability that a randomly selected person is not color blind,

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4 0
3 years ago
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Answer:

try your best

Step-by-step explanation:

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