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allochka39001 [22]
3 years ago
9

Solve: x^4 + 2x^3 - x^2 - 4^x - 2 = 0.​

Mathematics
1 answer:
natta225 [31]3 years ago
7 0

By defferentiating the about using product rule

vdyu/dx +udvdx

dy/dx 4×^3 +6×^2-4× -4=o

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A basic cellular package costs $20 per month for 60 minutes of calling, with an additional charge of $0.20/min beyond that time.
Anika [276]

Answer: you can use 260 min, 60 min at a fixed price ($20) and extra 200.

Step-by-step explanation:

C(x) = 20 + 0.20(x − 60)

C(x) ≤ 60

20 + 0.20(x − 60) ≤ 60

0.20(x − 60) ≤ 60 - 20

0.20x - 12 ≤ 40

0.20x ≤ 40 + 12

0.20x ≤ 52

x ≤ 52/0.2

x ≤ 260

This way, you can use 260 min, 60 min at a fixed price ($20) and extra 200.

7 0
3 years ago
Choose the odd one out. Give a reason for your answer. 75%. 3/4. 0.75. 7.5
kumpel [21]

Answer:

7.5

Step-by-step explanation:

when implementing the joe mama constant into our quadratic formula, we can solve to find that 7.5 does not uphold when subjected to the same peen coefficient checks that all other values held true for.

6 0
3 years ago
Read 2 more answers
How can the product of 7 and 0.2 be determined using this number line?
sdas [7]

Answer:

The product is <u>1.4</u>

Step-by-step explanation:

Every time you multiply 0.2 by a number you will add 0.2 to the last number.

0.2 x 1 = 0.2

0.2 x 2 = 0.4

0.2 x 3 = 0.6

0.2 x 4 = 0.8

0.2 x 5 = 1.0

0.2 x 6 = 1.2

0.2 x 7 = 1.4

Hope this helps :)

sorry if im wrong

5 0
2 years ago
PLEASE HELP! I AM REALLY CONFUSED! find the value of a if X^3+8x^2+ax-2 is divisible by x-1
WARRIOR [948]

The value of a from the equation is -63.

Here we have to find the value of a.

Given data:

The equation is = x³ + 8x² + ax -2

The equation is divisible by x -1

So we have:

x -1 = 0

x = 1

Now putting the value in the equation we get the remainder as o because the equation is divisible by x -1.

So;

1³ + 8² + a(1) - 2 = 0

63 + a = 0

a = -63

Therefore we get the value of a as -63.

To know more about the equation refer to the link given below:

brainly.com/question/14107099

#SPJ4

4 0
2 years ago
The following shows the process a student used to determine the number of yards in 3,218 meters.
Yakvenalex [24]
I would say step 2 hope this helps
4 0
4 years ago
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