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IgorC [24]
4 years ago
12

The derivative of y=2x^2+x+2​

Mathematics
1 answer:
Lorico [155]4 years ago
5 0

Answer:

4x + 1

Step-by-step explanation:

y = 2x² + x + 2

dy/dx = 2(2x¹) + 1 + 0

dy/dx = 4x + 1

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Melanie uses 9.3 pints of white paint and blue paint to paint her bedroom walls.
Rasek [7]

Answer:

<u>6.975 pints of blue paint</u>

Step-by-step explanation:

1/4x + 3/4y = 9.3

9.3/4 = 2.325

2.325 = 1/4

2.325 * 3 = 6.975

let me know if I am incorrect

3 0
3 years ago
Help please :)<br> You can have 15 points if you answer it correctly (if I'm not mistaken)
dusya [7]

Answer:

$466

Step-by-step explanation:

Represent her salary by s.  Then the amount spent on rent is s/2.

After spending 168 on her electric and water bills, she had s/2 - 168 dollars left.  She spent half of this on her phone bill, leaving her with

s/2 - 168

-------------- dollars.  

       2

After buying $57 worth of gas, she had

s/2 - 168

-------------- - 57 dollars left, and this came to $92.  

       2

We must now solve for s.

First, multiply all three terms by 2.  We get

s/2 - 168 - 2(57) = 2(92), or

s/2 - 168 - 114 = 184

Simplifying this, we get s/2 = 168 + 114 + 184, or s/2 = 466.

She spent half her salary (that is, half of s) on rent.  As seen above, this is $466.

7 0
3 years ago
Find the area of the regular pentagon. Side length is 8 cm and apothem is 5.5 cm
Yuki888 [10]

Answer:710.4

Step-by-step explanation:

7 0
3 years ago
the perimeter of a rectangle is twice the sum of its length and its width. The perimeter is 34 meters and it’s length is 2 meter
-Dominant- [34]

Here is your answer

Let the widht of rectangle be x metres

Then, its length= x+2 metres

Perimeter= 2 (l+b)

=> 34 = 2 (x+2 + x)

=> 34/2 = 2x+2

=> 17= 2x+2

=> 2x= 17-2

=> x = 15/2 metres

Width= 15/2 metres

Length= 15/2 + 2

= 19/2 metres

HOPE IT IS USEFUL

3 0
3 years ago
Read 2 more answers
Tanaka Madison has part time job. $15.32 per hour. She works 20 hours each week. What is her straight time pay for a week
ra1l [238]

Answer:

$306.40

Step-by-step explanation:

Multiply 15.32 by 20

4 0
3 years ago
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