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3 years ago

What is the smallest number that increases by 12 when it is flipped and turned upside down?

Mathematics

1 answer:

Law Incorporation [45]3 years ago

7 0

The smallest number that increases by 12 when it is flipped and turned upside down is 86

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Andre types 208 words in 4 minutes. Noah types 342 words in 6 minutes. Who types faster?

Vesna [10]

Answer:

Noah types faster

Step-by-step explanation:

Andre's typing speed per minute - 52 words per minute

$\frac{208}{4}$ = 52

Noah's typing speed per minute - 57 words per minute

$\frac{342}{6}$ = 57

3 0

3 years ago

Solve the system of equations 3x + y = 3 x + y = 2

Pachacha [2.7K]

Answer:

(1/2, 3/2)

Step-by-step explanation:

solve the 1st variable in one of the equations and then substitute it and the result will be turned into the other equation.

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3 years ago

How much is 109 divided by 5?

butalik [34]

There's more than one way to do this problem.

Try this: Mult. both 109 and 5 by 2, obtaining 218 and 10.

What is 218 div. by 10? Do this in your head.

6 0

3 years ago

Determine if the triangle is similar. If similar, state how and complete the similarity statement.

Yuri [45]

Answer:

It would be...

Step-by-step explanation:

Similar By: 22.5 and 27

ABCD: G AND H AND F

I am not sure but I try hard

8 0

3 years ago

Help with num 9 please. thanks

Alik [6]

Answer:

See Below.

Step-by-step explanation:

We want to show that the function:

$f(x) = e^x - e^{-x}$

Increases for all values of x.

A function is increasing whenever its derivative is positive.

So, find the derivative of our function:

$\displaystyle f'(x) = \frac{d}{dx}\left[e^x - e^{-x}\right]$

Differentiate:

$\displaystyle f'(x) = e^x - (-e^{-x})$

Simplify:

$f'(x) = e^x+e^{-x}$

Since eˣ is always greater than zero and e⁻ˣ is also always greater than zero, f'(x) is always positive. Hence, the original function increases for all values of x.

8 0

3 years ago