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hodyreva [135]
3 years ago
9

Joe went to the hobby shop and bought 2 model sports cars at $8.95 each and some paints. If he spent a total of $23.65, what was

the cost of the paints
Mathematics
1 answer:
Gala2k [10]3 years ago
8 0
Since he bought 2 model cars for $8.95 each, he bought both for $17.90. Now, subtract this from the total cost to get the cost of paint. $23.65-$17.90=$5.75. So, the total costs of paints are $5.75. Hope this helped!
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What’s the correct answer?
AleksAgata [21]

Answer:

1/7

Step-by-step explanation:

1 - 0                   1

------        =      -------

0 - ( - 7)             7

3 0
3 years ago
Easy question
Leviafan [203]
\dfrac{\mathrm dy}{\mathrm dt}=ky\iff\dfrac{\mathrm dy}y=k\,\mathrm dt

Integrating both sides, we get

\ln|y|=kt+C
\implies y=e^{kt+C}=e^{kt}e^C=Ce^{kt}

When t=0, we have y=10000, so that

10000=Ce^{0k}\implies C=10000

When t=4, we have y=8000, which means

8000=10000e^{4k}\implies k=\dfrac14\ln\dfrac{8000}{10000}\approx-0.0558
5 0
3 years ago
Plz help me with my hw plz it's proportional relationships and please include the equation
Sphinxa [80]
The constant of proportionality is k = y/x.....k = 40/200 = 1/5

y = mx + b
slope(m) = 1/5
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now we sub...we r looking for b, the y int

40 = 1/5(200) + b
40 = 40 + b
40 - 40 = b
0 = b

so ur equation is : y = 1/5x

if pop star earned 800
800 = 1/5x
800 * 5 = x
4000 = x
3 0
3 years ago
Idkkkkkkkkkkkkkkkkkk
charle [14.2K]
Sameeeeeeeeeeeeeeeeee
8 0
3 years ago
Read 2 more answers
Plz help meh!!!!! <br><br> I will give u brainliest 
Aleksandr-060686 [28]
18000 dividenby 60 seconds equals 300 minutes....300 minutes divided by 60 min is 5 houre
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