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3 years ago

Which equation best represents the relationship between x and y in the graph?

Mathematics

1 answer:

kakasveta [241]3 years ago

5 0

Answer:

Step-by-step explanation:

trust me dude

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Special Triangles

Ugo [173]

Answer:

see explanation

Step-by-step explanation:

Using the cosine and tangent trigonometric ratios and the exact values

cos30° = $\frac{\sqrt{3} }{2}$ and tan30° = $\frac{1}{\sqrt{3} }$ , then

cos30° = $\frac{adjacent}{hypotenuse}$ = $\frac{6}{m}$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

$\sqrt{3}$ × m = 12 ( divide both sides by $\sqrt{3}$ )

m = $\frac{12}{\sqrt{3} }$ ← rationalise by multiplying numerator/ denominator by $\sqrt{3}$ )

m = $\frac{12}{\sqrt{3} }$ × $\frac{\sqrt{3} }{\sqrt{3} }$ = $\frac{12\sqrt{3} }{3}$ = 4 $\sqrt{3}$

-------------------------------------------------------------------------------

tan30° = $\frac{opposite}{adjacent}$ = $\frac{n}{6}$ = $\frac{1}{\sqrt{3} }$ ( cross- multiply )

$\sqrt{3}$ × n = 6 ( divide both sides by $\sqrt{3}$ )

n = $\frac{6}{\sqrt{3} }$ ← rationalise the denominator

n = $\frac{6}{\sqrt{3} }$ × $\frac{\sqrt{3} }{\sqrt{3} }$ = $\frac{6\sqrt{3} }{3}$ = 2 $\sqrt{3}$

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7 0

3 years ago

41. Write a proof of the theorem that states if an angle of a quadrilateral is supplementary to both of its consecutive angles,

Amiraneli [1.4K]

Answer:

there's proof that opposite sides are parallel so it must be a parallelogram

Step-by-step explanation:

7 0

3 years ago

Please show working out

alekssr [168]

Answer:

x= 14.84cm

Step-by-step explanation:

cos(52)=x/28

cos(52)*28=x

x=14.84 cm

7 0

4 years ago

Read 2 more answers

Joe's Plumbing charges $75 for a service call, plus $30 for each hour of work. Maggie's Plumbing uses the equation y = 40x + 50

Anika [276]

Answer:NO

Step-by-step explanation:

4 0

3 years ago

What is the volume of this cone?

Katyanochek1 [597]

There is no image but I would likely be glad to help! :)

4 0

3 years ago