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Annette [7]
3 years ago
7

How to solve this because i think my steps are wrong ?

Mathematics
2 answers:
wlad13 [49]3 years ago
8 0

Replace x with 3:

h(3) = (3^2 -4) /2

= (9-4 ) / 2

= 5/2

sertanlavr [38]3 years ago
7 0

Answer:

h(3) = \frac{5}{2}

Step-by-step explanation:

To evaluate h(3) substitute x = 3 into h(x)

h(3) = \frac{3^2-4}{2} = \frac{9-4}{2} = \frac{5}{2}

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31 gallons of gas cost $82.15.
Nadya [2.5K]
82.15 / 31 = 2.65 per gallon
8 0
3 years ago
Please help me, its just question 11-14 !!
emmainna [20.7K]

Answer:

11- 64 degrees

12- 66 degrees

13- 89 degrees

14- 99 degrees

Step-by-step explanation:

11. 100 + 130 + 66 = 296

360 - 296 = <u>64</u>

12. 103 + 133 + 58 = 294

360 - 294 = <u>66</u>

13. 154 + 88 + 29 = 271

360 - 271 = <u>89</u>

14. 101 + 92 + 68 = 261

360 - 261 = <u>99</u>

hope this helps :)

4 0
3 years ago
In Exercises 5 and 6, find each missing length.
stira [4]

Answer:

6.21.4

Step-by-step

6 0
3 years ago
Read 2 more answers
Given the following geometric sequence, find the 12th term: {2, -4, 8, ...}.
BaLLatris [955]
2 times what = -4?
-2 does
-2 x 2 = -4

-4 time what = 8?
Again, -2.
-2 x -4 = 8

You could do this over and over again or make a table, or you can make a function.
f(n) = f(1) • r^{n-1}
f(1) in this case is 2.
f(n) = 2 • r^{n-1}
r is rate of change, which is -2.
f(n) = 2 • -2^{n-1}
To find the 12th number in the sequence, just substitute n for 12.
f(12) = 2 • -2^{12-1}
f(12) = 2 • -2^{11}
-2^11 = -2048
2 x -2048 = -4096
So the 12th number in the sequence will be -4096.
3 0
3 years ago
Are the triangles similar ? If so which shortcut (SSS, SAS, AA) proves they are similar?
BARSIC [14]

Answer:

Yes, SAS.

Step-by-step explanation:

3/5 = 0.6 and so does 4.8/8

6 0
2 years ago
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