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3 years ago

7%of£40 show working out plz

Mathematics

2 answers:

MaRussiya [10]3 years ago

7 0

Answer:

17.5%

Convert fraction (ratio) 7 / 40

then divide 7 by 40 and multiply by 100 and you get 17.5%

plz mark brainliest

kykrilka [37]3 years ago

6 0

Answer:

7% of 40 is 2.80

Step-by-step explanation:

0.07 x 40 = 2.8

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Step-by-step explanation:

From the picture attached,

(8, -3) is a point on the terminal side of angle θ.

Therefore, distance 'R' from the origin will be,

R = $\sqrt{x^{2}+y^{2}}$

R = $\sqrt{8^{2}+(-3)^2}$

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Therefore, Cosθ = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}=\frac{x}{R}=\frac{8}{\sqrt{73}}$

Sinθ = $\frac{\text{Opposite side}}{\text{Hypotenuse}}=\frac{y}{R}=\frac{-3}{\sqrt{73} }$

tanθ = $\frac{\text{Opposite side}}{\text{Adjacent side}}=\frac{y}{x}=\frac{-3}{8}$

Cscθ = $\frac{1}{\text{Sin}\theta}=\frac{R}{y}=-\frac{\sqrt{73}}{3}$

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