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Bezzdna [24]
3 years ago
10

NEED HELP ASAP ILL MARK BRAINLIEST IF ITS RIGHT!!!​

Mathematics
1 answer:
Leto [7]3 years ago
5 0

Answer:

f(1)=-11

f(n)=f(n-1)+22

Step-by-step explanation:

Base equation:

f(n)=-11+22(n-1)

f(1)=-11+22(1-1)

f(1)=-11+0

f(1)=-11

f(n)=-33+22n

f(n-1)=-11+22(n-2)

f(n-1)=-55+22n

-33+22n=-55+22n+x

22n gets canceled out

-33=-55+x

-33+55=x

x=22

f(n)=f(n-1)+22

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liraira [26]

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8 0
2 years ago
14x5= equeales what.
miskamm [114]
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3 0
1 year ago
Whats the difference between (-6)^2 and -6^2
strojnjashka [21]

Answer:

The answer is below

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6 0
2 years ago
Read 2 more answers
The speed of train A is 6 mph slower than the speed of train B. Train A travels 190 miles in the same time it takes train B to t
Zanzabum

Answer:

train A=38mph train B=44mph

Step-by-step explanation:

Setting up a table:

         s            t           d

A     x            190/x    190

B    x+6      220/x+6  220

Train A was 6mph slower as shown in the table, so to make it easier, train a is identified as x, train b would be x+6

Their distances are put in their respective column.

You find time from distance divided by speed.

So time would be written as such.

Since you know they take the same amount of time, for the equation, you connect them with an equal sign. Cross multiply to something like:

190(x+6)=220x

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1140=30x

x=38

You plug this in and get the speed for train A as 38, and train B as 44.

Hope this helps ^^

5 0
3 years ago
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