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3 years ago

11

amal distributed 12 more questionnaires than Pat. Eli distributed 15 fewer questionnaires than Pat. Martine distributed the same

number of questionnaires as Amal. What is the difference between the number of questionnaires distributed by amal and the number distributed by Eli?

1 answer:

Nimfa-mama [501]3 years ago

6 0

<span>A=12+P
E=P-15
to find the difference,
A-E = 12+P -P+15 = 27</span>

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Virty [35]

In order to solve the given expression follow these steps:

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1 year ago

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3 years ago

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4 years ago

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3 years ago

Can someone answer with steps and explanation? Thanks.

12345 [234]

Answer:

$BC=9\sqrt{3}\approx15.59\text{ units}$

Step-by-step explanation:

Since Segment BOA is a diameter:

$m\angle ACB=90$

Arc Ac and Arc CB are in a ratio of two to four. Since Segment BOA is a diameter, Arc ACB measures 180°. Letting the unknown value be <em>x</em>, we can write that:

$2x+4x=180$

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Thus, Arc CB = 120°. By the Inscribed Angle Theorem:

$\displaystyle m\angle A=\frac{1}{2}\left(\stackrel{\frown}{CB}\right)=\frac{1}{2}\left(120)=60$

Therefore, ΔABC is a 30-60-90 triangle. Its sides are in the ratios shown in the image below.

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We are given that AC = 9. Hence, <em>a</em> = 9.

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3 years ago