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vichka [17]
3 years ago
5

a machine takes 2.8 hours to make 9 parts .at that rate how many parts can the machine make in 28.0?

Mathematics
1 answer:
Naily [24]3 years ago
3 0
90. Add the zero in front of the 9.
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Bonjour
solmaris [256]
<span>3 + t = 2 x t + 7    t =4 et x=0   vraie
</span><span>9 x (t-6) = 3 x t     t=4 et x=0    vraie
</span><span>4 x (t - 1) = t x t     t=2 st x=0    vraie

No, 25 cm c'est un 40 ou 41
No 23 cm c'est un 37



</span>
6 0
4 years ago
Help pls I really need it pls
Marianna [84]
The value of x is 7 because 8/24 = 1/3 so find 1/3 of 21
4 0
3 years ago
40 Points please help
insens350 [35]

Answer:

Slope = ⅓ Y-intercept = -2

Step-by-step explanation:

by transforming the equation to y= ⅓x -2

then it becomes Y= ⅓x +(-2)

then you should get m= ⅓ and b = -2

5 0
3 years ago
Read 2 more answers
I ONLY HAVE 2 MINS PLS HELP
stellarik [79]

Answer:

Forgive me if I am wrong, but I beleive the answer is F

Step-by-step explanation:

7 0
3 years ago
Jean drove 64 miles per hour for a total of 448 miles on a trip. She used the equation below to calculate the time, t, it would
Alexandra [31]

Answer:

Step-by-step explanation:

since there is no given formula I'm guessing that's what we want to find?

use the dist. = rate * time   formula for this kind of problem

or  d = r*t     ( this looks like the word  "dirt" to me so I call this the dirt formula partly b/c it's dirt simple, and it's generally about moving across some give dist. of dirt  :P )  

so Jean's rate is 64 MPH

her total distance is 448 miles  

rearrange the  d = rt  formula so that you are solving for the thing you don't know.. yet....   t (time)  for this case

soooo...

d/r = t

plug in number

448 / 64 = t

7 = t  (in hours)

7 0
3 years ago
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