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3 years ago

What is 5 times 3/4.

Mathematics

1 answer:

Radda [10]3 years ago

7 0

Answer: 15/4 OR 3.75

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Find sinθ if cosθ = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D" id="TexFormula1" title="\frac{2}{3}" alt="\frac{2}{

stepan [7]

Answer:

$sin = \frac{\sqrt{5} }{3}$

Step-by-step explanation:

Where:

s = sin

c = cos

t = tan

o = opposite

a = adjacent

h = hypotenuse

cos = 2/3 where 2 is adjacent side and 3 is hypotenuse, now find opposite side using a^2 + b^2 = c^2 //c is hypotenuse side

2^2 + b^2 = 3^2

4 + b^2 = 9

b^2 = 9 - 4

b^2 = 5

b = square root (5) = 5^(1/2) //opposite side

sin = O/H

$sin = \frac{\sqrt{5} }{3}$

//Hope it helps.

4 0

4 years ago

What is the reciprocal of 1 and one half??

yuradex [85]

Answer:

2/3

Step-by-step explanation:

turn the fraction into a improper 3/2 then flip the fraction 2/3 thats the reciprocol

3 0

3 years ago

Last month Leonhard Euler's Watch kiosk at the mall had total sales of $9,489. Merchandise totaling $225 was returned. The goods

DerKrebs [107]

Answer:

463 dollars

Step-by-step explanation:

4 0

4 years ago

Solve the system<br> 3x+5y=2<br> -9x-15=-9

Dennis_Churaev [7]

Answer:

x=-2/3

y=4/5

Step-by-step explanation:

solve for the first variable in one of the equations and then substitute the result into the other equation

3 0

3 years ago

Jevan must paint 3 rooms in a house.Room A can be painted orange,red or green.Room B can be painted orange,white or red.Room C c

lora16 [44]

Answer:

2) 26

Step-by-step explanation:

The first thing to paint is to divide it into three parts, like this:

1st part:

Room A can be painted orange, red or green.

Therefore, we have 3 ways to do it.

2nd part:

Room B can be painted orange, white or red.

Therefore, we have 3 ways to do it.

3rd part:

Room C can be painted white, red or green.

Therefore, we have 3 ways to do it.

To know the total number, each part must be multiplied, that is:

3 * 3 * 3 = 27

However, some of these 27 possible results break the condition that the 3 rooms cannot be painted the same color, that only happens when the three rooms are painted red.

Therefore, the number of times would be:

27 - 1 = 26

4 0

3 years ago