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77julia77 [94]
3 years ago
7

I'd appreciate the help, its making my brain hurt plus i never was good at algebra

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0

Answer: I got -2

I plugged -6 in for y and then simplified. -6 x -6 = 36. 7 x -6 = -42. So 36 - 42 = -6. -6 + 4 = -2

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Solve the system of equations.<br> 2x + 2y + 3z = 3<br> 6x + 3y + 37 = 3<br> 2x + 5y + z = 6
Lyrx [107]

Answer:

1. x=3/2-y-3z/2

2.x=-y/2-17/3

3.x=3-5y/2-z/2

Step-by-step explanation:

i gusse

3 0
3 years ago
They're just hired a new employee to work in your bike shop in one hour the employee burns 55 chocolate chip cookies if this rep
KATRIN_1 [288]

Answer:

250 cookies

Step-by-step explanation:

The employee burns 55 chocolate chip cookies

if this represented 22% of the days production

Let x = the total production of cookies for the day

how many cookies did you plan on producing that day?

22% of x = 55

22 / 100 * x = 55

0.22x = 55

Divide both sides by 0.22

x = 55 / 0.22

= 250

x = 250 cookies

Therefore, the total production of cookies for the day is 250

6 0
3 years ago
I need help with homework
jeyben [28]
1/6,2/6 not 3/6 because that is 1/2
3 0
3 years ago
Read 2 more answers
Use the method of cylindrical shells to find the volume V of the solid obtained by rotating the region bounded by the given curv
harkovskaia [24]

Answer:

Step-by-step explanation:

Let's give this a go here.  The volume formula for the shell method while rotating about a horizontal line is

V=2\pi \int\limits^a_b {p(y)h(y)} \, dy

where p(y) is the distance from the axis of rotation (the x-axis) to the center of the solid.  This is a positive distance and it is just y.

h(y) is the horizontal height of the function.  Our function starts at x = 0 and ends at the function itself, so h(y) = 3 + y^2.

In the shell method when rotating about a horizontal line, we need to use x = y equations, and y-intervals.  Setting up our integral then:

V=2\pi \int\limits^3_2 {y(3+y^2)} \, dy

We can simplify this a bit by distributing the y into the parenthesis:

V=2\pi \int\limits^3_2 {3y+y^3} \, dy

Integrating gives us

V=2\pi|\frac{3y^2}{2}+\frac{y^4}{4}| from 2 to 3

Using the First Fundamental Theorem of Calculus:

V=2\pi[\frac{135}{4}-\frac{40}{4}] which simplifies down to

V=\frac{95\pi}{2}

8 0
3 years ago
What is 3425030 in scientific notation
dem82 [27]
The answer is 3.42 x 10^6 because we moved the decimal 6 places to the left. Hope this helps:)

~Ash
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3 years ago
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