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klemol [59]
4 years ago
5

Whats 21/41 as a decimal??????????????

Mathematics
2 answers:
Artist 52 [7]4 years ago
8 0

Answer:

0.875

Step-by-step explanation:

Divide the numerator by the denominator.

makkiz [27]4 years ago
7 0

Answer:

0.51219512195122

HOPE THIS HELPS

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What is the volume of a square based pyramid with a side 11 cm and a perpendicular height of 20 cm
Kaylis [27]

V=lw*h/3

So since its a square l and w are the same

11*11 = 121

h=20

20/3=  6.6666666


V=121*6.6666666

V= 806.66667

3 0
3 years ago
A game-show spinner has these odds of stopping on particular dollar values: 40% for $5, 25% for $100, 20% for $500, and 15% for
Yakvenalex [24]

Answer:

13÷ 23

Step-by-step explanation:

The computation of the odds of player winning is shown below;

For $5 it is 40%

And, for $100 it is 25%

so for total it is

= 40% + 25%

= 65%

And, the total percentage is 100%

So, the odds in favor is

65:100

13:20

Now for winning it would be 13÷ 23

5 0
3 years ago
What is the first quartile, Q1, of the following distribution?
Nostrana [21]

Answer:

I would go with C only because you have the find the median of the lower half of the data set This means that about 25% of the numbers in the data set lie below Q1 and about 75% lie above Q1.

Step-by-step explanation:

Lower quartile (xL): 26.5

Median (xm): 37

Upper quartile (xU): 44.5

5 0
4 years ago
What is sin(4a) & cos(4a) if tan(a)=3
ratelena [41]

Answer:

  • sin(4a) = -24/25
  • cos(4a) = 7/25

Step-by-step explanation:

Your calculator can tell you these values:

  sin(4a) = sin(4·arctan(3)) = -0.96 = -24/25

  cos(4a) = cos(4·arctan(3)) = 0.28 = 7/25

_____

Some useful trig identities are ...

  sin(2a) = 2tan(a)/(1 +tan(a)^2)

  cos(2a) = (1 -tan(a)^2)/(1 +tan(a)^2)

Filling in the given value for tan(a), we find ...

  sin(2a) = 2(3)/(1+3^2) = 6/10 = 3/5

  cos(2a) = (1 -3^2)/(1 +3^2) = -8/10 = -4/5

Now, double-angle formulas are useful:

  sin(4a) = 2sin(2a)cos(2a) = 2(3/5)(-4/5) = -24/25

  cos(4a) = 1 -2sin(2a)^2 = 1 -2(3/5)^2 = 7/25

The desired trig function values are sin(4a) = -24/25; cos(4a) = 7/25.

6 0
3 years ago
Help me I need help<br><br> The ones that have the circle in them are wrong can u guys help me fast
gulaghasi [49]
The first one is B and the second one is A
5 0
3 years ago
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