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2 years ago

11

I struggled with these as u can see, but pls answer all 3 questions and show how you set all the problems up (ill be giving brai

nliest)

2 answers:

olga55 [171]2 years ago

8 0

Answer:

1+1-2 its 2

Step-by-step explanation:

anygoal [31]2 years ago

7 0

4 because you need to know it’s 345

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a shopkeeper buys coffee at 4.20 per kg and sells it at 63 cents per 100 g Calculate his profit percentage

Bingel [31]

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7 0

2 years ago

Please help ??????????

iragen [17]

$\bold{ANSWER:}$

5•2/3

$\bold{EXPLANATIONS:}$

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2 years ago

The United States govermoment produced about 10.25 billion pennies in one year. How is 10.25 billion written in scientific notat

Margarita [4]

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4 0

3 years ago

Read 2 more answers

Aleksandr-060686 [28]

Answer: #2

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

(1 point) Consider the function f(x)=−x3+2x2+2x+1 Find the average slope of this function on the interval (−2,6). equation edito

Whitepunk [10]

Answer:

Step-by-step explanation:

Given is a function

$f(x)=-x^3+2x^2+2x+1$

$f(6) = -6^3+2(6^2)+2(6)+1\\=-131\\$

$f(-2) = -(-2)^3+2(-2)^2+2(-2)+1\\=13$

Average slope of this function is change of f(x) in (-2,6)/change of x in (-2,6)

= $\frac{-131-13}{8} \\=-18$

By mean value theorem there exists a c such that f'(c) = -18

i.e. $-3x^2+4x+2 =-8\\3x^2-4x-10 =0\\$

Using quadratic formula

x = 2.61, -1.277

Out of these only 2.61 lies in the given interval

c = 2.61

7 0

3 years ago