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3 years ago

Which of these equations shows a proportional relationship?

Mathematics

1 answer:

andre [41]3 years ago

3 0

Answer:

I believe it is Oy=4x-1

I'm sorry if i'm wrong

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Sin (3x) dx = ? find the integral

AVprozaik [17]

Answer:

$\displaystyle \displaystyle \int {sin(3x)} \, dx = \frac{-cos(3x)}{3} + C$

General Formulas and Concepts:

Calculus

Antiderivatives - Integrals

Integration Constant C

Integration Property [Multiplied Constant]: $\displaystyle \int {cf(x)} \, dx = c \int {f(x)} \, dx$

Trig Integration: $\displaystyle \int{sin(x)} \, dx = -cos(x) + C$

U-Substitution

Step-by-step explanation:

Step 1: Define

$\displaystyle \int {sin(3x)} \, dx$

Step 2: Identify Substitution Variables

u = 3x

du = 3dx

Step 3: Integrate

[Integral] Rewrite: $\displaystyle \frac{1}{3}\int {3sin(3x)} \, dx$
[Integral] U-Substitution: $\displaystyle \frac{1}{3}\int {sin(u)} \, du$
[Integral] Trig Integration: $\displaystyle \frac{1}{3}[-cos(u)] + C$
[Expression] Multiply: $\displaystyle \frac{-cos(u)}{3} + C$
[Expression] Back-Substitute: $\displaystyle \frac{-cos(3x)}{3} + C$

8 0

3 years ago

Ms. Silvia earns $3 every time she sells a cupcake. If she earns $15, how many cupcakes did she sell?

3241004551 [841]

Answer:

Okay very easy, The answer is: She sold 5 cupcakes.

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

The formula to find the spring constant, , for a spring with potential energy, , that has been stretched by length, , is shown b

aivan3 [116]

Answer:

the potential energy of the spring

5 0

3 years ago

Read 2 more answers

I could really use some help !! Thank you !! (The question is in the photo)

____ [38]

Answer:

Step-by-step explanation:

5 0

3 years ago

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Pls help me out!! Ill be so happy!! TYSM

mr Goodwill [35]

Answer:

Hey there!

The line 4x-3y=-9 can be converted to y=mx+b form.

4x-3y=-9

-3y=-4x-9

3y=4x+9

y=4/3x+3

The slope of a line perpendicular to this line would be -3/4.

The slope of a line parallel to this line would be 4/3.

Hope this helps :)

6 0

3 years ago