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nadezda
3 days ago
7

Jai Narayan sells two radio sets for 2288 each.

Mathematics
1 answer:
tester [3.9K]3 days ago
5 0

Answer:

1%

Step-by-step explanation:

The selling price for each radio is $2288.

Total selling price is 2\times 2288=$4576.

Profit is 10%.

Loss is also 10%.

Cost price=\frac{S.P\times 100}{100+gain(in\;percent)}

Cost price=\frac{S.P\times 100}{100-loss(in\;percent)}

Utilizing the formula,

Cost price of the first radio is \frac{2288\times 100}{110}=$2080.

Cost price of the second radio is \frac{2288\times 100}{100-10}=$2542.2.

The combined cost price for both radios totals 2080+2542.2=$4622.2.

Total cost price exceeds total selling price.

Loss equals selling price minus cost price.

Loss is calculated as 4622.2-4576=$46.2.

Loss%=\frac{Loss}{C.P}\times 100

Loss percentage is \frac{46.2}{4622.2}\times 100=1%.

Thus, the loss is 1%.

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Leona [4166]

Let's sketch the triangle.

The sides are a= 37.674 miles

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We'll apply the cosine rule for angle calculations

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The cosine law is given by

c^{2} = a^{2} +b^{2} -2ab cos C

Substituting the values results in

(36.318)^{2} = (37.674)^{2} + (11.164)^{2} - 2(37.674)(11.164). Cos C

1318.997 = 1419.33 + 124.634 - 841.184. Cos C

1318.997 = 1543.964 - 841.184. Cos C

841.184. Cos C = 1543.964-1318.997

841.184. Cos C = 224.967

Cos C = \frac{224.967}{841.184}

cos C = 0.267

C = 74.48°

We can find angle A using the sine law

\frac{a}{SinA} = \frac{c}{Sin C}

\frac{37.674}{Sin A} = \frac{36.318}{Sin 74.48}

Sin A = \frac{37.674. sin 74.48}{36.318}

Sin A = \frac{37.674 X 0.963}{36.318}

Sin A = 0.998

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A = 87.38°

The third angle B can be determined by calculating 180° minus the sum of angles A and C

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B = 180 - 161.86

B = 18.14°

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7 0
6 days ago
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Response:

x=1\,,\,y=t\,,\,z=t

Step-by-step explanation:

A line is defined as a one-dimensional entity that lacks thickness and stretches infinitely in both directions.

A line segment contains two endpoints, while a ray consists of a single endpoint.

The equation given is x^2+y^2-z^2=1.

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Verification:

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Thus, x=1\,,\,y=t\,,\,z=t fulfills the criteria of the given equation.

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2 days ago
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