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3 years ago

12

The currency in Peru is the Nuevo Sole. The exchange rate is approximately $1 = 3 Nuevo Soles. At this rate, how many dollars wo

uld you get if you exchanged 9 Nuevos Soles?

1 answer:

Alexus [3.1K]3 years ago

4 0

You would get $3 because the conversion rate is 1:3 so divide 9 by three

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Find the value of the six trig functions given the triangle below.

Y_Kistochka [10]

$\text{Here,}\\\\\text{Opposite side,}~ O = 2\\\\\text{Hypotenuse,}~ H = \sqrt 5 \\\\\text{Adjacent side,}~ A = \sqrt{5-4} = \sqrt 1 =1 ~~ ;[\text{By using Pythagorean theorem}]\\\\\\\sin \theta = \dfrac{O}H = \dfrac 2{\sqrt 5}\\\\\\\cos \theta = \dfrac{A}{H} = \dfrac{1}{\sqrt 5} \\ \\\\ \tan \theta = \dfrac{O}{A} = \dfrac 21 = 2$

$csc \theta = \dfrac{1}{\sin \theta} = \dfrac{\sqrt 5}2\\\\\\\sec \theta = \dfrac{1}{\cos \theta} = \sqrt 5 \\\\\\\cot \theta = \dfrac 1{\tan \theta} = \dfrac 12$

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3 years ago

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3 years ago

A screening test for a disease shows a positive result in 91% of all cases when the disease is actually present and in 7% of all

Jobisdone [24]

Answer:

0.0713 = 7.13% probability that the result is positive.

Step-by-step explanation:

Probability of a positive test:

91% of 1/650(has the disease).

7% of 1 - 1/650 = 649/650(does not have the disease). So

$p = 0.91\frac{1}{650} + 0.07\frac{649}{650} = \frac{0.91 + 0.07*649}{650} = 0.0713$

0.0713 = 7.13% probability that the result is positive.

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2 years ago

What is 147.3 as a mixed number and what is 147.3 as a improper fraction

mamaluj [8]

147.3 as a mixed nunber is 147 and 3/10, 147.3 as an improper fraction is 1473/10

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3 years ago

The school café charges $3 for hot lunch. This amount is automatically withdrawn from a student's lunch account each day they pu

Alexandra [31]

Answer:

15 dollars

Step-by-step explanation:

you do 3 × 5 which will give you 15

7 0

3 years ago