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adoni [48]
2 years ago
14

K(x) = 2x – 4; Find k (x + 4)

Mathematics
1 answer:
Iteru [2.4K]2 years ago
5 0

Answer:

k=  −2x−16 /x

Step-by-step explanation:

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going against the current a boat takes 6 hours to make a 120 mile trip when the boat travels with the current on the return trip
Irina18 [472]
Speed against current = 120 miles / 6 hours = 20 miles / hour
Speed with current = 120 miles /5 hours = 24 miles / hour.

Speed of boat in still water = (20+24)/2 = 22 miles / hour
6 0
2 years ago
On a​ map, 1 inch equals 15 miles. Two cities are 2 inches apart on the map. What is the actual distance between the​ cities?
BabaBlast [244]
Since the scale is 15 miles per inch all you need to do is multiply.
2in(15)=30
The cities are 30 miles apart.
4 0
2 years ago
Hey what's the answer ?<br><img src="https://tex.z-dn.net/?f=%28%20%7By%7D%5E%7B2%7D%20%20%2B%20%20%5Cfrac%7B5%7D%7B7%7D%20%29%2
3241004551 [841]

Answer: y^4 + \frac{-73}{35}y^2- 2

Step-by-step explanation:

Use FOIL:

y^4 + \frac{-14}{5}y^2 + \frac{5}{7}y^2 + \frac{-70}{35}

Make  \frac{-14}{5}y^2 and \frac{5}{7}y^2 have the same numerator:

\frac{-14*7}{5*7}y^2 =\frac{-98}{35}y^2

\frac{5*5}{7*5} y^2=\frac{25}{35} y^2

Then add like terms and simplify:

y^4 + \frac{-98}{35}y^2 + \frac{25}{35} y^2 + \frac{-70}{35}

y^4 + \frac{-73}{35}y^2- 2

7 0
3 years ago
Read 2 more answers
If you deposit $300 in an account with a 6% interest rate, how much will be in your account after 1 year? $
Fynjy0 [20]

Answer:

336

Step-by-step explanation:

The first year added $18 so just double the lat 2 digits

8 0
2 years ago
Can you help me solve for x
astraxan [27]
X=2 I believe but I need to keep typing to make it longer
3 0
2 years ago
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