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sveticcg [70]
3 years ago
9

Suppose 11 people arrive at a bank at the same time. In how many ways can they line up to wait for the next available teller?

Mathematics
1 answer:
tresset_1 [31]3 years ago
4 0
The answer would be C) because there are 11 possibilities of who can line up first, and after the first person, 10 possibilities, then 9, and so on. So you would need to multiply 11x10x9x8x...x1.
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In ΔHIJ, the measure of ∠J=90°, the measure of ∠I=29°, and JH = 88 feet. Find the length of IJ to the nearest tenth of a foot.
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We have been given that in ΔHIJ, the measure of ∠J=90°, the measure of ∠I=29°, and JH = 88 feet. We are asked to find the length of IJ to the nearest tenth of a foot.

First of all, we will draw a right triangle using our given information as shown in the attachment.  

We can see that in triangle HIJ, the side IJ is adjacent side to angle I and JH is opposite side to angle I.

We know that tangent relates opposite side of right triangle to adjacent side.

\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}

\text{tan}(29^{\circ})=\frac{88}{IJ}

IJ=\frac{88}{\text{tan}(29^{\circ})}

IJ=\frac{88}{0.554309051453}

IJ=158.7562024638191237

Upon rounding to nearest tenth, we will get:

IJ\approx 158.8

Therefore, the length of the side IJ is approximately 258.8 units.

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4 years ago
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Answer:

Step-by-step explanation:

\left \{ {{a+c=123} \atop {7a+5c=829}} \right.

7a + 7c = 861 ...... <em>(1)</em>

7a + 5c = 829 ..... <em>(2)</em>

<em>(1)</em> - <em>(2)</em>

2c = 32

<u><em>c = 16</em></u>

<u><em>a = </em></u>123 - 16 =<u><em> 107</em></u>

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Answer:

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Step-by-step explanation:

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16 is the distance between -7 and 9

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Answer:
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