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Anettt [7]
3 years ago
14

Combine like terms: -4x+3-7x-8

Mathematics
1 answer:
Sedaia [141]3 years ago
4 0

Answer:

Basicly you just combine the terms that are the same. Combine -4x and -7x. Also combine 3 with -8.

Step-by-step explanation:

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Find the derivative of f(x)= e^(4x) + e^-(4x)
ololo11 [35]

Answer:

f'(x)=4e^{4x} -4e^{-4x}

Step-by-step explanation:

To find this derivative, we will need to use the chain rule.

As there is a variable in the exponent we can use this formula:

f'(x)=u'e^u

In this case, u=4x and u=-4x

This means that u'=4 and u'=-4 respectively

This gives us f'(x)=4e^{4x} -4e^{-4x}

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3 years ago
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You have $30 to buy muffins. However, at the shop you can buy 1 muffin for $4. (a) Write an inequality from the above informatio
sattari [20]

Answer:

Let m be the number of muffins.

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8 0
2 years ago
if you save 75$ every week and your friend saves 50$ a week, after how many weeks will both of you have he same amount of money
s2008m [1.1K]
If you keep getting money he wont catch up, but if not he'll get $7.14 a day up to $100. He will be pass you so you will take out some days so you both are at $75 on the 4 day of the next day you guys will be close he will have $78.56.
5 0
3 years ago
Y2-2y+6 for y=2is who did first is the brainliest and you will be followed only the first person
shusha [124]

Answer:

<h2>6</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • algebra
  • PEMDAS
<h3>given:</h3>
  • y²-2y+6
  • y=2
<h3>let's solve:</h3>
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3 years ago
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Andre45 [30]

Answer:

a) Let Kim's age be k, then Kim's sister's age is k/2

k+\frac{k}{2}=24

b) k+\frac{k}{2}=24

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Kim's age is 16 while her sister's age is 8.

5 0
3 years ago
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