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Stella [2.4K]
3 years ago
6

Write an equation to find the missing side lenght. use ? for the number you do not know

Mathematics
1 answer:
Whitepunk [10]3 years ago
6 0
There isn't enough information; however, let's say you were to find the missing side length of a rectangle. The perimeter is 52 and the two given side lengths are both 16. You would set up an equation to find the missing side lengths:
52 = 16 + 16 + ? + ?
52 = 32 + ? + ?
20 = ? + ?
Since this is a rectangle, the two other sides have to be equal. Therefore, you would divide the number by 2.
10 = ?
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Charlie is watching hot air balloons. Balloon A has risen at a 60° angle. Balloon B has risen at an 82° angle. If the distance f
babymother [125]

Answer:

(B)1005 feet

Step-by-step explanation:

In the attached diagram

\angle y =82^\circ\\\angle x =60^\circ

|AG|=1400 feet

Distance from point C to point G=|CG|

Using Trigonometry in Triangle ACG

\tan 60^\circ=\dfrac{1400}{CG}\\ CG=\dfrac{1400}{\tan 60^\circ}\\\approx 808$ feet

Using Trigonometry in Triangle BCG'

\tan 82^\circ=\dfrac{1400}{CG'}\\ CG'=\dfrac{1400}{\tan 82^\circ}\\\approx 197$ feet

Therefore, the distance from balloon B from balloon A

=CG+CG'

=808+197

=1005 feet

4 0
4 years ago
Inqualities question pls help!
Margaret [11]

Answer:

B

Step-by-step explanation:

The closed circle at - \frac{3}{2} indicates that x can equal this value

The open circle at \frac{7}{2} indicates that x cannot equal this value.

All values of x between - \frac{3}{2} and \frac{7}{2} are valid, thus

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5 0
3 years ago
Find the size of angle X.
Olin [163]

Answer:

108°

Step-by-step explanation:

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6 0
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Read 2 more answers
The statewide pass rates for ENGL&amp;101 across Washington state community colleges is 68%. An instructor in the English depart
Mila [183]

Answer:

<em>The calculated value Z=1.2413 < 1.96 at 0.05 level of significance</em>

<em>Null hypothesis is accepted </em>

<em>An instructor in the English department at CBC believes rates at CBC may be equal to the state average</em>

Step-by-step explanation:

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

<em>Given Population proportion </em>

<em>                                     P=68%= 0.68</em>

<em>Sample proportion </em>

<em>                             </em>p^{-} =\frac{x}{n} = \frac{179}{250} = 0.716<em></em>

<em>Null hypothesis : H₀ : p = 0.68</em>

<em>Alternative Hypothesis :H₁ : p > 0.68</em>

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

<em>Test statistic</em>

<em>                          </em>Z = \frac{p^{-}-P }{\sqrt{\frac{P Q}{n} } }<em></em>

<em>                         </em>Z = \frac{0.716-0.68 }{\sqrt{\frac{0.68 X 0.32}{250} } }<em></em>

<em>                        Z = 1.2413</em>

<em>Level of significance </em>

<em>              </em>Z_{0.05} = 1.96<em></em>

<em>The calculated value Z=1.2413 < 1.96 at 0.05 level of significance</em>

<em>Null hypothesis is accepted </em>

<em>An instructor in the English department at CBC believes rates at CBC may be equal to the state average</em>

<em></em>

<em></em>

6 0
4 years ago
How are the quotients shown below related?
barxatty [35]

Answer:

the quotient of -30/6 and 30/ -6 are same ie. -5, because if the numerator or denominator is negative the quotient will be negative.

hope it helps!

6 0
3 years ago
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