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Debora [2.8K]
3 years ago
10

Solve for x .. please hurry

Mathematics
1 answer:
defon3 years ago
7 0

Step-by-step explanation:

4x+x-1+2x+1

since any number power zero is one

group like terms

4x +x+ 2x-1+1

7x=0

divide both sides by 7

x= 0

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What is 10 squared plus b squared equals 22 squared
klio [65]
I'm pretty sure you are asking for the value of b. Let's actually write it and then solve it:
10^2 + b^2 = 22^2

Solving for b yields:
b = \sqrt{22^2-10^2} = \sqrt{484-100} = \sqrt{384} = 19.59

So, b = 19.59. If you want the answer in simplified radical form, we can also do that:
\sqrt{384} =  \sqrt{16*24} = 4 \sqrt{24} = 4 \sqrt{4*6} = 8 \sqrt{6}

So, b = 8√6 = 19.59
4 0
3 years ago
The value of a dvd player decreases by 60% each year. If you purchased this dvd player today for $180, how much would the player
Volgvan
The formula is
A=p (1-r)^t
A future value?
P present value 180
R rate of decreases 0.6
T time 2 years
A=180×(1−0.6)^(2)
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3 0
3 years ago
I Need help now!!!!
Kisachek [45]

Answer:

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6 0
3 years ago
Y = –x + 4 in standard form
kompoz [17]

Answer:

x-y=4

Step-by-step explanation:

y=x−4

The standard form of a linear equation is

Ax+By=C.

Rewrite the equation with the sides flipped.

x−4=y

Move all terms containing variables to the left side of the equation.

Tap for more steps...

x−y−4=0 Add 4

to both sides of the equation.

x−y=4

(hope this helps can i plz have brainlist :D hehe)

7 0
3 years ago
8. Calculate the amount of simple interest on $15,500 for 4 years at
kvasek [131]

Answer:

SI=PTR/100

SI=15500*4*6.5/100

SI=403000/100

SI=4030$

3 0
3 years ago
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