3 years ago

Solve for X (round to the nearest hundred)

Mathematics

1 answer:

LekaFEV [45]3 years ago

4 0

Step-by-step explanation:

We use tangent because it uses opposite over adjacent.

So,

tan 33 = x/46

46 * tan 33 = x

Type this into the calculator and you get around 29.87

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2 years ago

Solve 9x^2- 17x- 85 = 0 Give your solutions correct to 3 significant figures.

dybincka [34]

Answer:

$x =\frac{17}{18} +\frac{1}{18} \sqrt{3349}$ OR $x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

Step-by-step explanation:

9x2−17x−85=0

For this equation: a=9, b=-17, c=-85

9x2+−17x+−85=0

Step 1: Use quadratic formula with a=9, b=-17, c=-85.

$x =\frac{-b + \sqrt{b^{2}-4ac } }{2a}$

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2 years ago

5. Solve for x.

exis [7]

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12*56-56+11=12

Step-by-step explanation:

12 for 56

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3 years ago

Iris wants to buy sneakers at $15 each and high heels at $30 each. Write an algebraic expression to find the total cost of the s

kogti [31]

Answer: 30y + 15x

If x is for sneakers, and y is for high heels, plug 15 in for a and 30 in for b. This means that x is how many sneakers she buys, and y is how many high heels she buys. The equation altogether represents the total amount of her purchases.

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