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kolezko [41]
3 years ago
5

How do i do 7?im stuck!! please help ahaha

Mathematics
1 answer:
Luden [163]3 years ago
8 0

Answer:

Hey there!

p(x)=7x+25

7x+25=60

7x=35

x=5

Let me know if this helps :)

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Simplify (x2/3)^4/5 I need help will mark brainlist.
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3 years ago
Last year, the 7th grade enrollment at a middle school was 150 students. This year, the enrollment increased by 120%. How many 7
alexira [117]

Answer:

There will be 330 7th grade students in this middle school this year.

Step-by-step explanation:

Last year enrollment = 150 students

As the enrollment increased by 120%.

i.e.

Number of Percentage increase = 120% × 150 = 120/100 × 150

                                                       = 1.2 × 150

                                                        = 180

Thus,

Total students this year = No. of Percentage increase + Last year students

                                       = 180+150

                                        = 330 students

Therefore, there will be 330 7th grade students in this middle school this year.

4 0
3 years ago
What is the square root of -10 degrees C
Ray Of Light [21]

It is an indication that a mistake has been made, or that your imagination is working well.

_____

There are no physical units that correspond to the square root of a degree C. Degrees C is an arbitrary scale, so the square root of a number from that scale has no meaning. In the world of complex numbers, the square root of a negative number is imaginary. By attaching units of degrees C to the number, you have escaped the world of complex numbers and made your way to fantasy land.

In short, it is anything you want it to call it, as it is not anything that is defined in the realm of math or physics in the world we usually deal with.

5 0
3 years ago
CAN SOMEONE PLEASE HELP ME?
maks197457 [2]
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7 0
3 years ago
Find the second derivative at the point (2,2), given the function below. 2x^4=4y^3
Bogdan [553]

The second derivative at the point (2,2) is 34/9

<u>Explanation:</u>

<u></u>

2x⁴ = 4y³

2x⁴ - 4y³ = 0

We first need to find dy/dx and then d²y/dx²

On differentiating the equation in terms of x

dy/dx = d(2x⁴ - 4y³) / dx

We get,

dy/dx = 2x³/3y²

On differentiating dy/dx we get,

d²y/dx² = 2x²/y² + 8x⁶/9y⁵

\frac{d^2y}{dx^2} = \frac{2 X 2^2}{2^2} + \frac{8 X 2^6}{9 X 2^5}\\  \\\frac{d^2y}{dx^2} = 2 + \frac{16}{9}\\  \\

d²y/dx² = 34/9

Therefore, the second derivative at the point (2,2) is 34/9

7 0
3 years ago
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