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2 years ago

Ab - bc if a = 5, b = 3, and c = 4

Mathematics

2 answers:

timama [110]2 years ago

4 0

Answer:

Step-by-step explanation:

Substitute

(5)(3)-(3)(4)

solve

15 - 12 = 3

juin [17]2 years ago

3 0

Reviewing the given clues:

Given expression:

ab - bc

Given values:

a = 5
b = 3
c = 4

Solution:

ab - bc

Substituting the given values:

=> (5)(3) - (3)(4)

Solving:

=> 15 - 12

Answer:

=> 3

Hence, the answer is 3.

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goldenfox [79]

Answer: $\frac{8}{17}$ or 8:17

Step-by-step explanation:

For any angle x (other than right angle) in a right triangle ,the trigonometric ratio of sin x is given by :-

$\sin x=\frac{\text{side opposite to x}}{\text{Hypotenuse}}$

Given: A right triangle with hypotenuse = 68 units

The side adjacent to S = 60

Let h be the side opposite to S, then using Pythagoras in the given right triangle, we get

$(68)^2=60^2+h^2\\\\\Rightarrow\ h^2=68^2-60^2\\\\\Rightarrow\ h^2=1024\\\\\Rightarrow\ h=\sqrt{1024}=32$

Thus, the side opposite to S = 32 units

Now, the trigonometric ratio for sin S is given by :-

$\sin S=\frac{\text{side opposite to S}}{\text{Hypotenuse}}\\\\\Rightarrow\sin S=\frac{32}{68}=\frac{8}{17}$

Hence, the trigonometric ratio for sin S = $\frac{8}{17}$ or 8:17

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Answer:

Step-by-step explanation:

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