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DanielleElmas [232]
2 years ago
12

Which of the following operations could you perform on both sides of the given equation to solve it? Check all that apply. 8x -

6 = 2x + 24
Mathematics
1 answer:
rodikova [14]2 years ago
7 0
It equals 26x because you add the 24 to the 2x
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For the following cylinder, what is the area of the two bases in square centimeters?
Bezzdna [24]
Cylinder formula is 2pi(r)^2 + 2pi(r)h

2pi(0.25)^2 + 2pi(0.25)(1)

Chuck that in calculator and evaluate
8 0
3 years ago
A sphere has a diameter of 14.5 inches.
dlinn [17]

Answer:

≈ 660.5 in²

Step-by-step explanation:

The surface area (A) of a sphere is calculated using the formula

A = 4πr² ← r is the radius

Given diameter = 14. 5 then radius = 7.25, thus

A = 4π × 7.25² = 4π × 52.5625 ≈ 660.5 in²

4 0
3 years ago
Mr. Johnson bought 22 cupcakes and 30 drinks for his class. Ms. Richards bought 30 cupcakes and 35 drinks for her class. Mr. Joh
Lostsunrise [7]
Cupcakes =c
Drinks = d
22 c + 30d = $44.40...eqn 1
30c + 35d = $53.75...eqn 2
Multiply eqn 1 by 7 and eqn 2 by 6
154c +210d =$310.80...eqn 3
180c+ 210d = $322.5...eqn 4
Eqn 4 - eqn 3
26 c = $11.70
C = 11.7/26 = 45c
Subst c = 45c in eqn 1
$9.90 + 30d =$44.40
d = ($44.40-$9.90)/30 = $1.15
4 0
3 years ago
Dy/dx if y = Ln (2x3 + 3x).
NeTakaya

Answer:

\frac{6x^2+3}{2x^3+3x}

Step-by-step explanation:

You need to apply the chain rule here.

There are few other requirements:

You will need to know how to differentiate \ln(u).

You will need to know how to differentiate polynomials as well.

So here are some rules we will be applying:

Assume u=u(x) \text{ and } v=v(x)

\frac{d}{dx}\ln(u)=\frac{1}{u} \cdot \frac{du}{dx}

\text{ power rule } \frac{d}{dx}x^n=nx^{n-1}

\text{ constant multiply rule } \frac{d}{dx}c\cdot u=c \cdot \frac{du}{dx}

\text{ sum/difference rule } \frac{d}{dx}(u \pm v)=\frac{du}{dx} \pm \frac{dv}{dx}

Those appear to be really all we need.

Let's do it:

\frac{d}{dx}\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot \frac{d}{dx}(2x^3+3x)

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (\frac{d}{dx}(2x^3)+\frac{d}{dx}(3x))

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (2 \cdot \frac{dx^3}{dx}+3 \cdot \frac{dx}{dx})

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (2 \cdot 3x^2+3(1))

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (6x^2+3)

\frac{d}{dx}(\ln(2x^3+3x)=\frac{6x^2+3}{2x^3+3x}

I tried to be very clear of how I used the rules I mentioned but all you have to do for derivative of natural log is derivative of inside over the inside.

Your answer is \frac{dy}{dx}=\frac{(2x^3+3x)'}{2x^3+3x}=\frac{6x^2+3}{2x^3+3x}.

3 0
3 years ago
The graph given above shows the following function.
serg [7]

Answer:

I think its A

Step-by-step explanation:

8 0
2 years ago
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