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LenKa [72]
3 years ago
13

First 5 terms of 2n^2+4

Mathematics
1 answer:
adell [148]3 years ago
8 0

This may be wrong I am not sure so let me know... (edited)

h(4)=−28

Explanation:

If h(n)=−2n2+4

then h(4)=−2(4)2+4

=−2×16+4

=−32+4

=−28

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Step-by-step explanation:

Use COS method (Cos Angle = adjacent/hypotenuse)

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\cos(x)  =  \frac{adjacent}{hypotenuse}  \\  \cos(x)  =  \frac{14}{67}  \\ x =  {cos}^{ - 1} ( \frac{14}{67} ) \\  = 78 \: deg(nearest \: degree)

5 0
3 years ago
Am i doing this right. someone help me.
Sav [38]

Answer:

Hi there!

It looks like to me you are doing this right!

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6 0
4 years ago
7. What is the next fraction in each of the following patterns?
serious [3.7K]

Answer:

36/40, 47/101, 192

Step-by-step explanation:

(a)The numerator (top number of the fraction) is adding up by odd numbers in order.

From 1/40 to 4/40 you add 3, from 4/40 to 9/40 you add 5, from 9/40 to 16/40 you add 7, and from 16/40 to 25/40 you add 9.

The next number to add would logically be 11. So from 25/40 you would go to 36/40.

36/40 is your next fraction.

(b)

3+4=7,4+7=11,7+11=18,11+18=29,18+29=47

(c) 1*2=2,2*2=4,2*4=8,4*8=32,8*32=256,32*256=8,192

4 0
3 years ago
A box has dimensions of 19 inches long, 1.7 feet wide, and 6 inches high. What is the volume of the box? The formula for the vol
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4 0
3 years ago
The ratio of peanuts to raisins in a snack mix is 5 to 4. A bag of the snack mix contains 200 peanuts. How many raisins are in t
uranmaximum [27]

Answer:

Hey there!

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We multiply 5 by 40 times to get 200.

We multiply 4 by 40 times to get 160.

There are 160 raisins in the bag.

Let me know if this helps :)

Step-by-step explanation:

5 0
3 years ago
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