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prisoha [69]
3 years ago
8

2(3x + 1) - (x - 5) = 42

Mathematics
2 answers:
melamori03 [73]3 years ago
7 0

Answer:

6x+2-x-5=42

Step-by-step explanation:

lbvjy [14]3 years ago
6 0

Answer:

6x+2-1x+5=42

Step-by-step explanation:

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How to work this out
Burka [1]

Answer:

2x^2+x^2

=3x

ohhhhhhh

ohhhhh

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8 0
2 years ago
F(x) = ( - 3x² + 2 – 2)e". Find f'(x) and f''(x).<br> f'(2) =<br> f''(c)<br> =
prisoha [69]

Answer:

-3x²-5xeˣ-eˣ

-3eˣx²-11eˣx-6eˣ

Step-by-step explanation:

I'm going to go by the picture and not what you wrote in your title.

To find the derivative of this we have to apply the product rule

(a*b)'=

a'*b+a*b'

We plug in our numbers and get

(-3x²+x-2)'*eˣ+(-3x²+x-2)*eˣ'

Now we can evaluate the derivatives and simplify

(-3x²+x-2)'= -6x+1

eˣ'=eˣ

which means we have

(-6x+1)*eˣ+(-3x²+x-2)*eˣ

Simplify

-6xeˣ+eˣ-3x²eˣ+xeˣ-2eˣ

Combine like terms

-3x²eˣ-5xeˣ-eˣ

Now we just need to find the derivative of this

We can apply the same product rule as we did before

(-3x²eˣ)'

Let's start by factoring out the -3 to get

-3(x²eˣ)'

which is equal to

-3(x²eˣ'+x²'eˣ)

Compute this and get

-3(x²eˣ+2xeˣ)= -3x²eˣ-6xeˣ

Now let's find the derivative of the second part

(-5xeˣ)'

-5(x'eˣ+xeˣ')

-5(eˣ+xeˣ)

-5eˣ-5xeˣ

Which means we have

(-3x²eˣ-6xeˣ)+(-5eˣ-5xeˣ)-eˣ

Combine like terms and get

-3eˣx²-11eˣx-6eˣ

3 0
3 years ago
Terrence made a scale drawing of an American football field on a large piece of cardboard. An actual field is
iogann1982 [59]

Answer:

20

9

23

Step-by-step explanation:

4 0
3 years ago
9 4/5 as a decimal help out plz
Helen [10]

9 4/5 as a decimal is 9.8

5 0
3 years ago
Read 2 more answers
PLEASE HELP<br><br> A<br><br> B<br><br> C<br><br> OR<br><br> D
iVinArrow [24]

Answer:

36 cm

Step-by-step explanation:

P = 2l + 2w

Plug in

P = 2(14) + 2 (4)

P = 28 + 8

P = 36

5 0
3 years ago
Read 2 more answers
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