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Roman55 [17]
2 years ago
7

What is the surface area & volume of each of the shapes?

Mathematics
1 answer:
shusha [124]2 years ago
7 0
Its asking for the units being used so the answer is Inches
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Find the value of the expression
KATRIN_1 [288]

Answer:

13

Step-by-step explanation:

16 - 3

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3 years ago
Help me factor this completely
Tanya [424]
-12z^4 (x y^2 z^3 + 1)
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2 years ago
In triangle JKL, tan(bº) =
VikaD [51]
This is the working outs

8 0
3 years ago
What is the value of tan (-2pi/3)?
wolverine [178]
This revolves around exact trig values - no easy way to say this, you just need to memorise them. They are there for sin cos and tan, but I will give you the main tan ones below - note this is RADIANS (always work in them when you can, everything is better):

tan0: 0
tanpi/6: 1/sqrt(3) 
tanpi/4: 1
tanpi/3: sqrt(3)
tanpi/2: undefined

Now we just need to equate -2pi/3 to something we understand. 2pi/3 is 1/3 of the way round a circle, so -2pi/3 is 1/3 of the way round the circle going backwards (anticlockwise), so on a diagram we already know it's in the third quadrant of the circle (somewhere between pi and 3pi/2 rads).
We also know it is pi/3 away from pi, so we are looking at sqrt(3) or -sqrt(3) because of those exact values.

Now we just need to work out if it's positive or negative. You can look up a graph of tan and it'll show that the graph intercepts y at (0,0) and has a period of pi rads. Therefore between pi and 3pi/2 rads, the values of tan are positive. Therefore, this gives us our answer of sqrt(3).
4 0
3 years ago
Read 2 more answers
What does the line y=-2x+5 look like?
Usimov [2.4K]

\huge{\boxed{\text{D}}}

This line is in the format y=mx+b, where m is the slope.

A horizontal line has a slope of 0.

A vertical line has an undefined slope.

A positive slope makes the line go upwards and to the right.

<em>A negative slope makes the line go downwards and to the right.</em>

5 0
3 years ago
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