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kolbaska11 [484]
3 years ago
15

What is x^4+25 factored

Mathematics
2 answers:
mars1129 [50]3 years ago
4 0

Answer:

Step-by-step explanation:

x^4+25 = (x²+5i) (x²- 5i)         i² = -1

OLga [1]3 years ago
3 0

(x^2+5)(x^2-5)

I hope this helps :)

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What you do with value of expressions
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You express the values in which the teacher or tutor or whatever assigned you.

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3 years ago
On a certain hot​ summer's day, 645 people used the public swimming pool. The daily prices are $1.75 for children and $2.50 for
VladimirAG [237]

Answer:

327 children and 318 adults

Step-by-step explanation:

The x be the amount of children and y be the amount of adults that were at the swimming pool. We can use this to set up a system of equations:

x+y=645

1.75x+2.50y=1367.25

Move y to the other side in the first equation to isolate x and solve the system using substitution:

x=645-y

  1.75(645-y)+2.50y=1367.25

Distribute

1128.75-1.75y+2.50y=1367.25

         1128.75+0.75y=1367.25

Subtract 1128.75 from both sides

                        0.75y=238.5

Divide both sides by 0.75

                                y=318

x=645-y

x=645-318

x=327

327 children and 318 adults swam at the pool that day

4 0
2 years ago
Identify the x-intercept
sveta [45]

im quite positive that the x-intercept is 1,6

8 0
3 years ago
Simplify the expression <br> -7(3e-2f+4)+6e-2
Shkiper50 [21]

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3 years ago
Michela’s skateboard ramp is at an incline of 40°. When she attempts a trick on the ramp, she finds that it is too steep. She ad
marissa [1.9K]

Answer:

22.7604763 degrees

Step-by-step explanation:

Note that the answer is NOT 20 degrees.

She adjusted the ramp to half the original <em>incline</em>

Therefore we have tan 40 = x = 0.839099631.

We want an incline of y degrees where tan y = x/2 = 0.839099631/2 = 0.419549815

Taking the arctan of both sides, we get

y = arctan(0.419549815) = 22.7604763 degrees

8 0
3 years ago
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