3 years ago

Express 4 percent as decimal

Mathematics

1 answer:

malfutka [58]3 years ago

7 0

Answer:

0.04

Step-by-step explanation:

move the decimal over to te left 2 places.

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Please help!!!

Dominik [7]

Answer:

Step-by-step explanation:

8+1=9

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24+3=27

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40+ 5=45

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3 years ago

What is num 2?? I need this done by tonight!

timama [110]

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3 years ago

Evaluate. Write your answers as fractions. 2^2/-5 = -(5/4)^3=

Natalija [7]

2^2/-5=-4/5
-(5/4)^3=-125/64
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1 year ago

What's is 1/4 of $27,00

katovenus [111]

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3 years ago

Read 2 more answers

Solve the equation. StartFraction dx Over dt EndFraction equals StartFraction 1 Over x e Superscript t plus 7 x EndFraction An i

MAVERICK [17]

Answer:

$\frac{1}{49}(7x-1)e^{7x}+e^{-t}=C$

Step-by-step explanation:

We are given that

$\frac{dx}{dt}=\frac{1}{xe^{t+7x}}$

We have to find the implicit function

Using separation variable method

$\frac{dx}{dt}=\frac{1}{xe^t\cdot e^{7x}}$

By using property $x^a\cdot x^y=x^{a+y}$

$xe^{7x}dx=e^{-t}dt$

By using property $\frac{1}{x^a}=x^{-a}$

Taking integration on both sides

$\int xe^{7x}dx=\int e^{-t}dt$

Parts integration method

$\int u\cdot v dx=u\int vdx-\int (\frac{du}{dx}\int vdx)dx$

By parts integration method

$x\int e^{7x}dx-\int (\frac{dx}{dx}\int e^{7x}dx)dx=-e^{-t}+C$

Using formula $\int e^{ax} dx=\frac{e^{ax}}{a}+C$

$\frac{xe^{7x}}{7}-\frac{1}{7}\int e^{7x}dx=-e^{-t}+C$

$\frac{xe^{7x}}{7}-\frac{1}{49}e^{7x}+e^{-t}=C$

$\frac{1}{49}(7x-1)e^{7x}+e^{-t}=C$

We are given that

$F(x,t)=C$

$F(x,t)=\frac{1}{49}(7x-1)e^{7x}+e^{-t}=C$

8 0

3 years ago