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mario62 [17]
3 years ago
7

You have 8 hats and sell them for $4 each. How money would you have if you sold only 2 of the hats?

Mathematics
2 answers:
OlgaM077 [116]3 years ago
6 0
8 dollars because you sold them for 4 dollars each and only sold two. 4x2=8
zepelin [54]3 years ago
6 0

Solution

Isn't it just 2 * 4 = 8 dollars.? I almost figured it out using the 8 hats. Nice trick.

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iren [92.7K]

Answer:

The answer is option (B)

Here is the explanation...

5 0
2 years ago
Find the exact value of cos theta​, given that sin thetaequalsStartFraction 15 Over 17 EndFraction and theta is in quadrant II.
vova2212 [387]

Answer:

cos \theta = -\frac{8}{17}

Step-by-step explanation:

For this case we know that:

sin \theta = \frac{15}{17}

And we want to find the value for cos \theta, so then we can use the following basic identity:

cos^2 \theta + sin^2 \theta =1

And if we solve for cos \theta we got:

cos^2 \theta = 1- sin^2 \theta

cos \theta =\pm \sqrt{1-sin^2 \theta}

And if we replace the value given we got:

cos \theta =\pm \sqrt{1- (\frac{15}{17})^2}=\sqrt{\frac{64}{289}}=\frac{\sqrt{64}}{\sqrt{289}}=\frac{8}{17}

For our case we know that the angle is on the II quadrant, and on this quadrant we know that the sine is positive but the cosine is negative so then the correct answer for this case would be:

cos \theta = -\frac{8}{17}

5 0
3 years ago
A piece of wire 2/5 m long is to be cut into six pieces of the same length what is the length of each piece
bonufazy [111]

Answer:

each peice will be 1/15 m long.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Hey guys I have a hard time with these questions. Can someone explain it to me? :)
frutty [35]
The slope would be 0

This is basically how you do it if you need more help let me know

6 0
3 years ago
Read 2 more answers
Help me please I dont understand
Vaselesa [24]

Answer:

42°

Step-by-step explanation:

This is right triangle and sum of 2 angles is 90°:

y+48°=90°

so y= 90°- 48°= 42°

4 0
3 years ago
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