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faltersainse [42]
3 years ago
8

Add. Express your answer in simplest form 7+1 7/4 10+4 1/4

Mathematics
1 answer:
Goshia [24]3 years ago
7 0
1) 7 + 1 7/4 = 9 3/4

7 + 1 + 7/4
7 + 1 = 8
7/4 = 1 3/4
8 + 1 + 3/4 = 9 3/4


2) 10 + 4 1/4 = 14 1/4

10 + 4 + 1/4
10 + 4 = 14
14 + 1/4 = 14 1/4


Hope this helps :)
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<h3>How to determine the length</h3>

The cosine rule is given as;

c = \sqrt{a^2 + b^2 - 2ab cos \alpha }

c = length of the diagonal

a = base length = 22 feet

b = 7 feet

c = \sqrt{7^2 + 22^2 - 2 * 7 * 22 cos 40}

c = \sqrt{533 - 308 * 0. 7660}

c = \sqrt{533 - 235. 93}

c = \sqrt{297. 072}

c = 17. 24 feet

Using sine rule

\frac{a}{sin A }  = \frac{c}{sin C}

\frac{a}{sin 70}  = \frac{17. 24}{sin 40}

Cross multiply

a × sin 60 = c × sin 70

a × 0. 8660 = 17. 24 × 0. 9397

a = \frac{16. 20}{0. 8660}

a = 18. 7 feet long

Thus, the length of the diagonal and the shorter base are 17. 24 feet and 18. 7 feet long respectively.

Learn more about  isosceles trapezoid here:

brainly.com/question/10187910

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5 0
2 years ago
Over winter break, Raymond worked 12.5 hours at the library and 20.5 hours at a café. The library paid him $13 per hour. If he e
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Answer:

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Answer:

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Step-by-step explanation:

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    The second point that lies on the x axis is (a,0) as it is a distance from the origin, 0 because it's on the x-axis.

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      The fourth point (0,a) because it is on the vertical line (0) and is a distance above the origin.

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2 years ago
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Answer:

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