2 years ago

Find X and Y I need help plz ASAP

Mathematics

1 answer:

Nezavi [6.7K]2 years ago

4 0

Answer:

x=5.657 y=5.657

Step-by-step explanation:

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What is the reference angle for 7pi/6

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Answer:

$\frac{\pi }{6}$

Step-by-step explanation:

$\frac{7\pi }{6}$ is in the third quadrant

To find the reference angle subtract π from it, that is

reference angle = $\frac{7\pi }{6}$ - π = $\frac{\pi }{6}$

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3 years ago

Find the value of sin pi/4-x cos pi/4-y + cospi/4-x sin pi/4-y

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Use the midpoint formula to estimate the sales of Cars, Inc. in 2009, given the sales in 2008 and 2010. Assume that the sales of

lana [24]

Answer:

The estimated sales were $260 million

Step-by-step explanation:

Assume the endpoints of a segment are (x1,y1) and (x2,y2).

The midpoint (xm,ym) is calculated as follows:

$\displaystyle x_m=\frac{x_1+x_2}{2}$

$\displaystyle y_m=\frac{y_1+y_2}{2}$

The sales ov Cars, Inc. were (2008,240 million) and (2010,280 million). We need to use the midpoint to estimate the sales in 2009:

$\displaystyle x_m=\frac{2008+2010}{2}=2009$

$\displaystyle y_m=\frac{240+280}{2}=260$

The estimated sales were $260 million

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3 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers

The height of one square pyramid is 12 m. A similar pyramid has a height of 6 m. The volume of the larger pyramid is 400 m3. Det

valentinak56 [21]

A) Scale factor of the smaller pyramid to the larger pyramid in simplest form:
6 m / 12 m = 1/2

b) Ratio of the areas of the bases of the smaller pyramid to the larger pyramid:
(1/2)^2 = 1/4 

c) Ratio of the volume of the smaller pyramid to the larger:
(1/2)^3 = 1/8 

d) Volume of the smaller pyramid:
(1/8) * 400 m^3 = 50 m^3

4 0

3 years ago