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TEA [102]
3 years ago
14

List elements in.. {x | x is an even counting number smaller than 8}

Mathematics
1 answer:
ohaa [14]3 years ago
7 0

Answer:

x l 0 2 4 6

Step-by-step explanation:

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10. A trapezold has a base of x and a helght of 3 units. If there is also a square with sides measuring x,
Nookie1986 [14]

Answer:

I Think 0x2 Or 4x + x3 I'm not 100% Sure

Step-by-step explanation:

I Tried..

6 0
3 years ago
X²-y², x²+xy and x² + 2xy + y²<br> plz fast full formula givee​
Scorpion4ik [409]

Answer:

Step-by-step explanation:

x²- y² = (x+y) (x-y)

x² + xy = x(x+y)

x² + 2xy + y² = (x+y) (x+y)

3 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
Need help with math.
nikdorinn [45]
4 / (1/4 - 5/2) 

4 / (1/4 -10/4)

4 / (-9/4)

4 x (-4/9) = -16/9
8 0
3 years ago
What is 292/410 in its lowest terms?
Salsk061 [2.6K]

Answer: 146/205

Step-by-step explanation:

292/410

divide everything by 2 (numerator and denominator)

146/205

you can not put it any simpler in fraction form

in decimal, this is the simplest form

0.712 (rounded to the nearest thousandth)

4 0
3 years ago
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