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Keith_Richards [23]

4 years ago

5

I need help ASAP!!!!!

1 answer:

Strike441 [17]4 years ago

8 0

Please, would you present only one problem at a time, and (hopefully) do whatever you can to solve that problem before asking for help.

Problem 5: we focus exclusively on "red notebooks," of which there are (55+60+23), or 138. Of all the red notebooks, 60 have 150 pages. So the answer to this question is 60/138, which can be reduced.

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Help please!!! Find the sum of the series show your work

AleksAgata [21]

Answer:

$\sum_{i=1}^{12}(3i-1) = 222$

Step-by-step explanation:

The given series is

$\sum_{i=1}^{12}(3i-1)$

The first term is

$f(1) = 3 \times 1 - 1 = 2$

The last term is

$f(12) = 3 \times 12 - 1 = 35$

To find the number of terms in the sequence, solve,

$3i - 1 = 35$

$3i = 36 \\ i = 12$

The sum of the first i-terms of an arithmetic sequence is:

$S_i = \frac{i}{2} (f(1) + f(2))$

We substitute the values to get;

$S_ {12}= \frac{12}{2} (2+ 35)$

$S_ {12}=6(37)$

$S_ {12}= 222$

6 0

4 years ago

F(x)=|3x+5|+6<br> g(x)=7<br> find (f+g) (x).

horrorfan [7]

Answer:

$(f+g) (x)=\mid 3x+5\mid+13$

Step-by-step explanation:

<u>Operation of Functions</u>

Given:

$f(x)=\mid 3x+5\mid+6$

$g(x)=7$

The sum of (f+g) (x) is:

$(f+g) (x)=\mid 3x+5\mid+6+7$

We cannot operate with the expression inside the absolute bars, thus:

$\boxed{(f+g) (x)=\mid 3x+5\mid+13}$

8 0

3 years ago

PLEASE HELP! I WILL GIVE BRAINLIEST! Nate and 2 friends share a pizza equally. If Nate eats half of his share of the pizza, what

Yakvenalex [24]

Answer:

1/3

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Y and x have a proportional relationship, and y = 15 when x = 3. What is the value of x when y = 4?

allsm [11]

Y = kx
k = y/x = 15/3 = 5
<span>when y = 4
5 = 4/x
x = 4/5

answer
</span><span>when y = 4 , x = 4/5</span>

8 0

3 years ago

Read 2 more answers

Find the break-even point for the given cost and revenue equations. Round to the nearest whole unit. C = 20n + 134,000 R = 160n

Harman [31]

At break-even C = R so we have:-

20n + 134,000 = 160n

140n = 134,000

answer = 134,000 / 140 = 957

8 0

3 years ago