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pashok25 [27]
3 years ago
6

Please see attachment to help. I really need it.

Mathematics
1 answer:
telo118 [61]3 years ago
6 0
(fg)(x) = (x^3 -4x+2)(x^2+2)
(fg)(x) = x^5 - 4x^3 + 2x^2 + 2x^3 -8x + 4
(fg)(x) =x^5 - 2x^3  + 2x^2  -8x + 4

answer
x^5 - 2x^3  + 2x^2  -8x + 4
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Which irrational number can be multiplied by - J41 to get a product that equals 1?
andreyandreev [35.5K]

Answer: -√1/✓41

Step-by-step explanation:

Let y be the irrational number that will be multiplied by -√41 to get the product that equals 1.

y × (-√41) = 1

We then solve for y, by dividing through with -√41. This will be:

[y × (-√41)]/-√41 = 1/-√41

y = -1/√41

y = -√1/✓41

The irrational number is negative root one over root forty one.

8 0
3 years ago
Please this is my last point I really need help <br> Show workings
Lisa [10]

Answer:

x = 14.375

Step-by-step explanation:

Ok, so we know that a triangle has a total interior degree of 180°. And since we already have a 95° angle, we just need to subtract 95 from 180.

180° - 95° = 85°

Now, we already have indicators that two of the three sides are equal. And we already got the angle of the side that does not have a matching partner. So we just need to divide what we already have by 2.

85° / 2 = 42.5°

Now that we know each side is 42.5 degrees, we just need to grab our given equation and put and equal sign at the end with what we already know is the answer (since we are trying to solve for <em>x</em>).

(4x - 15) = 42.5

Now, let's just get rid of those useless parentheses.

4x - 15 = 42.5

Next, we just need to have the variable on its own side, all by itself. So, in order to do that, we just add 15 to both sides.

4x = 57.5

Now, for our final step, we just need to divide each side by our variables' factor (which is a positive 4). In which we get our final answer of:

x = 14.375

4 0
3 years ago
Read 2 more answers
sierra wants to run a total of 5 1/2 miles. Each lap around the track is 1/4 mile. How many laps around the track does sierra ne
icang [17]

Answer:

She has to run 22 laps around the track.

Step-by-step explanation:

It is 22 laps because each mile means 4 laps on the track and 5 miles multiplied by 4 laps it 20 laps to do 5 miles, and then 1/2 mile times two is 2/4 which is 2 laps. 2 plus 20 is 22 laps.

5 0
3 years ago
Solve for A <br>A 30 Degrees <br>B 60 Degrees <br>C 120 Degrees<br> D 45 Degrees​
Lena [83]

Answer:

Its, D = 45, just had this question

Step-by-step explanation:

6 0
2 years ago
Simplify each expression using the order of operations<br> 6 + 4/a + b/3 when a = 4 and b = 3
kolbaska11 [484]
6+4/4 + 3/3 (substitute variables)
10/4 + 3/3 (add 6+4)
5/2 + 1 (Simplify fractions)
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