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oksano4ka [1.4K]
2 years ago
12

Two classes at Liberty Middle School are setting up imaginary banks for an economics project. Class 1 has $50 in a savings accou

nt and makes a $5 deposit each day. Class 2 has $110 in a savings account and makes a $5 withdrawal each day. After how many days will both classes have the same amount of money in their savings accounts?
Mathematics
1 answer:
ivolga24 [154]2 years ago
6 0
In 2 days, class 1 has 60 and class 2 has 100, in 4 days, class 1 has 70 and class 2 will have 90, in 6 days both classes will have 80. so 6 days is the answer
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Sladkaya [172]
Normally, to find the area of a circle you'd do π × r^{2} so you have to find the radius by dividing 5 by 2 to get 2.5. Approximating pi as 3.14, you would do 3.14 × 2.5^{2} = 19.625. Because the porch is a quarter circle, you would then divide this by 4 to get 4.906. Rounded to the nearest square foot, your answer would therefore be 5 ft. I hope this helps!
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At tire Depot a green pair of new tire sells for $216 the managers special advertises the same tire selling at a rate of $380 fo
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6 0
3 years ago
Which of these is a lower price than 6 f for 9$
Gnesinka [82]

Answer:

Step-by-step explanation:

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7 0
3 years ago
Use the definition of the logarithmic function to find x. log4 0.25=x x=?
GREYUIT [131]
The answer is -1.

log_4(0.25)  =log_4( \frac{1}{4})= log_4(4^{-1} ) \\  \\ 
log(x^{a} ) = a*log(x) \\  \\ 
log_4(4^{-1} )= -1 *log_4(4) \\  \\ 
log_y(x) =  \frac{log(x)}{log(y)}  \\  \\ 
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5 0
3 years ago
Ricky can ride 17 km on his bike in the same length of time ha can walk 9 km.if his riding speed is 4 kph faster than his walkin
aivan3 [116]
Distance=speed times time
if they take the same time, we cal the time , t

b=bike speed
w=walking speed

bikedistnace=17=bt
walkdistance=9=wt

b is 4 more than w
b=4+w

we have
17=bt
9=wt
b=4w

ok so
multiply first equation by 9 and 2nd by 17

153=9bt
153=17wt
set equal
9bt=17wt
divide both sides by t
9b=17w
sub b=4+w for b
9(4+w)=17w
distribute
36+9w=17w
minus 9w both sides
36=8w
divide both sides by 8
4.5=w

he walks 4.5kph
5 0
3 years ago
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