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maksim [4K]
3 years ago
6

Angel and jayden where in track practice . the track is 2/5 kilometers around.

Mathematics
1 answer:
Luden [163]3 years ago
3 0
Distance equals velocity times time.

d=vt

v=d/t

v=(3*2/5)km/5min

v=(6/5)/5

v=6/25 km/min

v=0.24 km/min
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A cube has and edge length of 2 centimeters. What is it’s volume, in cubic centimeters?
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Answer:

8

Step-by-step explanation:

2x2 is 4 and x 2 is 8. I think im right?

5 0
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Please help I,think it's A but I don't know what to do ​
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(x,y) - (x,-y)

Step-by-step explanation:

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Write down the equation that could be a correct equation for linear regression prediction function?
user100 [1]

If the question meant that we should write a linear prediction function ;

Answer:

y = bx + c

Step-by-step explanation:

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y = bx + c

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6 0
3 years ago
A local sawmill sells a total of 250,000 board feet of hardwood each year. The ratio of softwood sold to hardwood sold is 5: 3.
IrinaK [193]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Jan bought 6 cookies and 4 doughnuts for 3.50. Tom bought 12 cookies and 5 doughnuts got 5.23. Write and solve a system of equat
iren2701 [21]
0.19 for one cookie and 0.59 for one doughnut

x for how much one cookie costs and y for how much one doughnut costs
6x+4y=3.5
12x+5y=5.23

solve by substitution: (elimination would work too)
4y=3.5-6x
y=0.875-1.5x
12x+5(0.875-1.5x)=5.23
12x+4.375x-7.5x=5.23
4.5x=0.855
x=0.19
now use x to solve for y:
6(0.19)+4y=3.5
1.14+4y=3.5
2.36=4y
y=0.59

Check the work: 6(0.19)+4(0.59)=3.5
4 0
3 years ago
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