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Mrac [35]
3 years ago
8

B1%7D%7B3%7D%20%286k%20-%205%29%287k%20-%203%29" id="TexFormula1" title="expand \: and \: simplify \: \\ a. \: \frac{1}{3} (6k - 5)(7k - 3)" alt="expand \: and \: simplify \: \\ a. \: \frac{1}{3} (6k - 5)(7k - 3)" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
gayaneshka [121]3 years ago
4 0

Answer:

14k²-(53/3k)+5

Step-by-step explanation:

To expand, remove brackets:

1/3(6k-5)(7k-3)=1/3(42k²-53k+15)

=14k²-(53/3k)+5

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Pls help. Take a pic of your work on paper thanks.
artcher [175]

Answers:

1.) -x - 5

2.) 11x^2 + 5x

3.) 13x + 2y +3y^2

4.) -12x - 2

5.) -24

Sorry, it won’t somehow let me attach a picture of my work on paper :(

But hopefully this helps! :)

6 0
3 years ago
Read 2 more answers
There are 6 pretzel sticks. 5 friends want to share them evenly. How much would each friend get?
scoray [572]

Well, there is one for you, the. there is your five friends which both recieve one. if you don't want to give one to yourself and just ur friends you divide 6 and 5 they all would get 1.2

4 0
3 years ago
If f(x) = 8^x , find the value of f(2/3).
Licemer1 [7]

Answer:

4

Step-by-step explanation:

This is a substitution question

So we will have to substitute the value of x given into the given question

f(x)=8^x

And x is given as 2/3

So let's get to work

8^2/3 which means that cube root of 8 then square the answer

(3√8)^2

Cube root of 8 is 2

So we will have to square 2 to get 4

Therefore the final answer is 4

I believe you understand

8 0
4 years ago
What represents the range of books that Kenneth can purchase?
Zarrin [17]

Answer: B

Step-by-step explanation:

5 0
3 years ago
A company deposits $5,000 into an account that earns interest. The rate at which the value changes is given by dA/dt=0.0225A, wh
xxMikexx [17]

Answer:

  $6261.61

Step-by-step explanation:

The solution to the differential equation is the exponential function ...

  A(t) = 5000e^(0.0225t)

We want the account value after 10 years:

  A(10) = 5000e^(0.225) = 6261.61

The value of the account after 10 years will be $6,261.61.

_____

The rate of change equation basically tells you that interest is compounded continuously. After working interest problems for a while you know the formula for that is the exponential formula A = A0·e^(rt).

Or, you can solve the differential equation using separation of variables:

  dA/A = 0.0225dt

  ln(A) = 0.0225t +C . . . . integrate

  A(t) = A0·e^(0.0225t) = 5000·e^(0.0225t) . . . . solution for A(0) = 5000

7 0
3 years ago
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