If a supermarket sells 5 bags of grapes for Rs. 16.60, what is the unit price of a bag of grapes?

Mathematics

1 answer:

Effectus [21]3 years ago

3 0

Answer:

It's A

Step-by-step explanation:

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Find the value of x.<br> please help me!!!!!!!!

Zanzabum

Answer:

x = 55° (nearest degree)

Step-by-step explanation:

Trig ratios:

$sin(\theta)=\dfrac{O}{H} \ \ \ cos(\theta)=\dfrac{A}{H} \ \ \ tan(\theta)=\dfrac{O}{A} \ \ \$

where $\theta$ is the angle, O is the side opposite the angle, A is the side adjacent to the angle, and H is the hypotenuse of a right triangle

Given:

$\theta=x$
A = 3.3
H = 5.7

$\implies cos(x)=\dfrac{3.3}{5.7}$

$\implies x=\arccos \dfrac{3.3}{5.7}=54.623459...$

⇒ x = 55° (nearest degree)

5 0

2 years ago

Read 2 more answers

Knots are a unit of speed used for sailing. 1 knot is equal to 1.2 miles per hour. Jesse travels 15 miles by boat in 2.5 hours.

Alinara [238K]

Answer:

5 knots

Step-by-step explanation:

In order to find the speed Jesse travels in knots, you need to find his unit rate, or miles per hour. Setting up a fraction and dividing will give you how many miles her traveled per hour:

$\frac{miles}{hour}=\frac{15}{2.5}=\frac{6}{1}or6mph$

Since Jesse traveld at 6mph, you can set up a proportion (equivalent ratios) using the ratio of 1 knot to 1.2 miles per hour to find the number of knots in 6mph:

$\frac{1.2}{1}=\frac{6}{x}$ where x = the number of knots