3 years ago

Which equation is correct?

Mathematics

1 answer:

olga2289 [7]3 years ago

8 0

Equation which is correct

792 × 5 = 700 × 5 + 90 × 5 + 2 × 5

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Trigonometric functions: what is the value of x?

Airida [17]

Answer:

x ≈ 19.7

Step-by-step explanation:

Using the sine ratio in the right triangle.

sin66° = $\frac{opposite}{hypotenuse}$ = $\frac{18}{x}$ ( multiply both sides by x )

x × sin66° = 18 ( divide both sides by sin66° )

x = $\frac{18}{sin66}$ ≈ 19.7 ( to the nearest tenth )

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4 years ago

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AleksAgata [21]

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Step-by-step explanation:

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3 years ago

What’s the answer to -x= -14 How do you do it?

denis23 [38]

Step-by-step explanation:

multiply both sides by -1

x = 14

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3 years ago

Find an equation of the tangent line to the curve at the given point. y = 3x3 â x2 + 3, (2, 23)

klasskru [66]

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3 years ago

2x squared minus 50 factored completely

8090 [49]

$2{ x }^{ 2 }-50\\ \\ =2\left( { x }^{ 2 }-25 \right) \\ \\ =2\left( { x }^{ 2 }-{ 5 }^{ 2 } \right) \\ \\ =2\left( x+5 \right) \left( x-5 \right) \\$

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3 years ago