3 years ago

2/5 as a decimal and percent

Mathematics

1 answer:

lukranit [14]3 years ago

7 0

Decimal: .4
Percent: 40%

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Can someone please help me with this please I really need help

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1\2(4-2x) equal to 2-2x

Mrrafil [7]

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3 years ago

I really need some help with this question (Image attached)

ella [17]

Answer:

KL = 23

KM = 29

Step-by-step explanation:

By applying cosine rule in the given triangle KLM,

cos(∠M) = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

cos(52°) = $\frac{LM}{KM}$

cos(52°) = $\frac{18}{KM}$

KM = $\frac{18}{\text{cos}52}$

KM = 29.24

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By applying sine rule,

sin(52°) = $\frac{\text{Opposite side}}{\text{Hypotenuse}}$

sin(52°) = $\frac{KL}{29.24}$

KL = 29.24[sin(52°)]

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3 years ago

F x and r are inversely proportional and x = 9 when r = 72, then what is x when r = 40?

Oksi-84 [34.3K]

Answer:

16.2

Step-by-step explanation:

r = k/x

when x = 9 and r = 72 ,

72 = k/9

k = 72*9

When r = 40 ,

x = k/r

x = 72*9/40 = 16.2

8 0

3 years ago