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ankoles [38]
3 years ago
14

Please help me… As soon as possible..

Mathematics
1 answer:
Maksim231197 [3]3 years ago
8 0
Number 2. 0.4x=3 is the answer
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If these two triangles are similar, find the vale of x.
MA_775_DIABLO [31]

Answer:

24

Step-by-step explanation:

just use sss theorem and get the answer

8 0
3 years ago
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David is the captain of the school soccer team. Last year, the team won four more games than it lost. If the team won 46 games,
natita [175]
<u>C) 42 </u>since 46-4=42 The team lost 42 soccer games last year.
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4 years ago
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When Malika buys a bicycle she must pay the bicycle's price plus tax.the city sales tax rate is 0.2 times the state sales tax ra
goldfiish [28.3K]
0.016 is the city tax I got this by multiplying 0.2 times 0.08
and whenever you multiply smaller number the number go down
 
helpful tips.....................
whenever you want to find the percentage  of something just multiplay by the percentage by the full number
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3 years ago
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For the function y=-1+6 cos(2pi/7(x-5)) what is the minimum value?
Ad libitum [116K]
Usually one will differentiate the function to find the minimum/maximum point, but in this case differentiating yields:
\frac{2\pi}{7(x-5)^{2}}\sin{\frac{2\pi}{7(x-5)}}}
which contains multiple solution if one tries to solve for x when the differentiated form is 0.

I would, though, venture a guess that the minimum value would be (approaching) 5, since the function would be undefined in the vicinity.

If, however, the function is
-1+\cos{\frac{2\pi}{7}(x-5)}}
Then differentiating and equating to 0 yields:
\sin{\frac{2\pi}{7}(x-5)}}=0
which gives:
x=5 or 8.5

We reject x=5 as it is when it ix the maximum and thus,
x=8.5\pm7n, for n=0,\pm 1,\pm 2, ...
3 0
3 years ago
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Please help me with this
erma4kov [3.2K]

Answer:

3/8

Step-by-step explanation:

Find the height of the trapezoids

20 - 10 = 10

10/2 = 5

Find the area of the trapezoids

5*(20+10)/2 = 75

The formula for the area of the trapezoid is the height * the bases added together divided by 2

75*2(this is because there are 2 trapezoids) = 150

Put this to proportion of the total area of the dart board

150/20^{2} = 150/400 = 3/8

3/8 is the probability that you score 3 points

5 0
3 years ago
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