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4vir4ik [10]
3 years ago
11

X=6{2+3[2(7-3)+(7+1)-5]} can someone help?

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
3 0

270 solve that yourself lol

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Dustin is standing at the edge of a vertical cliff, 40 meters high, which overlooks a clear lake. He spots a fluffy white cloud
Licemer1 [7]

Answer:

53.33 meters

Step-by-step explanation:

Let AB represents the height of the cliff,

( where, A is top and B is bottom ),

Also, C and D represents the shadow of the cloud and cloud in the sky respectively,

Suppose E is a point in the segment CD,

Such that,

AB = DE = 40 meters,

According to the question,

m\angle CAE = 30^{\circ}

m\angle EAD = 60^{\circ}

Since,

\tan =\frac{\text{Perpendicular}}{\text{Base}}

\implies \tan 60^{\circ}=\frac{DE}{AE}

\sqrt{3}=\frac{40}{AE}

\implies AE = \frac{40}{\sqrt{3}}

Now,

\tan 30^{\circ}=\frac{CE}{AE}

\frac{1}{\sqrt{3}}=\frac{\sqrt{3}CE}{40}

\implies CE = \frac{40}{3}

Hence,

The height of the cloud above the lake = CE + ED

=\frac{40}{3}+40=13.33+40 = 53.33\text{ meters}

3 0
3 years ago
A pencil box in the shape of a rectangular prism measures 3 inches by 4 inches by 12 inches. What is the length of the longest p
stepan [7]

Answer:

(square root of 160)in

Step-by-step explanation:

the longest 2 sides are 4 and 12

4^2 + 12^2 = c^2

16+144=c^2

160=c^2

c = square root of 160

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Shiloh is doing a survey to find the time her classmates spend at the beach. She asks the following question:
belka [17]
You would expect her to gather everyone’s time being at the beach and to compare them. Also, yes it is a statistical question because they are trying to find numerical data( whoever spends the most time at the beach)
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Find the equation of a line with the following characteristics: slope=1/2;goes through (4,-1)​
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Answer:

the answer is 9 14

Step-by-step explanation:

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3 years ago
Help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
statuscvo [17]
Hello!!!

the answer here is the 3rd one!

hope this helps!
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3 years ago
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