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77julia77 [94]
3 years ago
6

Help with math 8th grade

Mathematics
1 answer:
kolbaska11 [484]3 years ago
3 0
64
take 180 subtract 26 twice bc line ge is also 26 then divide by two
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The accounting department analyzes the variance of the weekly unit costs reported by two production departments. A sample of 16
andreev551 [17]

Answer:

Test Statistic is 2.34

Step-by-step explanation:

File Attached. kindly view it.

5 0
3 years ago
Suppose a football player kicks a ball and gives it an initial upward velocity of 47 ft/s. Use the formula h(t)= -16t^2+47t+3 wh
statuscvo [17]

Answer:

Step-by-step explanation:

a. when t=0,h=3ft

h(t)=-16 (t^2-\frac{47}{16}x+(\frac{47}{32} )^2)+\frac{47^2}{32^2} *16+3\\=-16(t-\frac{47}{32})^2+\frac{2209}{64}+3\\=-16(t-\frac{47}{32})^2+\frac{2209+192}{64}\\when~ t=\frac{47}{32}\\h=\frac{2301}{64}\\or~v^2-u^2=2gh\\\\0^2-47^2=2*(-32)h\\or h=\frac{47^2}{64}=\frac{2209}{64} \\height from the ground=\frac{2209}{64} +3=\frac{2301}{64}

c.t=47/32 sec

d.

time taken to fall 2301/64 ft=0*t+\frac{1}{2}*32*t^2

t^2=\frac{2301}{64*16}

t=\frac{\sqrt{2301}}{8*4}=\frac {47.97}{32}

total ~time=\frac{47+47.97}{32}=\frac{94.97}{32} sec

4 0
3 years ago
The tide, or depth of the ocean near the shore, changes throughout the day. The depth of the bay can be modeled by d = 35 - 28 c
Bess [88]
I don’t know what that is tbh sorry hope you found it
7 0
3 years ago
Without dividing or listing multiples, how can you tell if 61 is a multiple of 6?
Slav-nsk [51]
You check if it is even and that the sum of the digits is divisible by 3. That's the divisibility rule of 6.
6 0
3 years ago
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john borrowed $5 dollars per month from his mom to pay for his art supplies at the end of the course he owed his mom $65 dollars
Kobotan [32]

$65 total ÷ $5 a month = 13 months total

John borrowed money from his mom for 13 months.

5 0
3 years ago
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