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3 years ago

6

Jake and Logan are partners in business. Jake makes $2in profit for $5 that Logan makes. if Logan makes $20 profit on the first

item they sell, how much profit does jake make

1 answer:

nordsb [41]3 years ago

7 0

Answer:

Jake will make 8$

Step-by-step explanation:

20/5=4

4x2=8

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You were given the polynomial f(x)=3x^3+13x^2+19x+k and you know that f(-2)=0find k

eduard

Answer:

k = 10

Explanation:

The initial polynomial is:

$f(x)=3x^3+13x^2+19x+k$

If f(-2) = 0, then when we replace x by -2, the result will be 0. It means that we can write the following equation:

$\begin{gathered} f(-2)=3(-2)^3+13(-2)^2+19(-2)+k=0 \\ 3(-2)^3+13(-2)^2+19(-2)+k=0 \end{gathered}$

Therefore, we can solve for k as follows:

$\begin{gathered} 3(-8)+13(4)+19(-2)+k=0 \\ -24+52-38+k=0 \\ -10+k=0 \\ -10+k+10=0+10 \\ k=10 \end{gathered}$

So, the value of k is 10

6 0

1 year ago

Solve the polygon for x

wariber [46]

Octagon has sum of angles 1080°

$\\ \rm\Rrightarrow 5(10x+15)+2(14x)+6x-3=1080$

$\\ \rm\Rrightarrow 50x+75+28x+6x-3=1080$

$\\ \rm\Rrightarrow 84x+72=1080$

$\\ \rm\Rrightarrow 84x=1008$

$\\ \rm\Rrightarrow x=1008/84$

$\\ \rm\Rrightarrow x= 12$

4 0

3 years ago

A: HL<br> B: ASA<br> C: SSS<br> D: SAS

evablogger [386]

Answer:

D: SAS

Step-by-step explanation:

6 0

3 years ago

The length of a rectangle is 4 more than 3 times the width if the perimeter of the rectangle is 18.4 cm what is the area of the

garik1379 [7]

Let's call the width: w

the lenght is then 3w+4 ("4 more than 3 times the width")

and the parameter would be 2(w+3w+4), that is 2*(4w+4), that is 8w+8.

this is also equal to 18.4:

8w+8=18.4
8w=10.4
w=1.3

this is the width, and the lenght is:
4+3*1,3=4+3.9=7.9

and the area is their product:
1.3*7.9=10.27

6 0

3 years ago

What is 15% of 60?? Can someone plz tell me how to calculate this as well??? Thanks!!!

earnstyle [38]

To convert a percentage to a decimal you move the decimal two places to the left. Therefore:

15.% becomes .15

You then multiply this decimal to the number you are trying to find the percentage of.

.15 × 60 = 9.

9 is 15% of 60.

4 0

3 years ago