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Diano4ka-milaya [45]
3 years ago
10

Its at the tip of my mind, but I just can’t solve it.

Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0

Answer: 8.75 dollars

Work Shown:

Plug in n = 275 and evaluate

0.15*(n-250) + 5

0.15*(275 - 250) + 5 .... n is replaced with 275

0.15*(25) + 5

3.75 + 5

8.75

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Calculate the speed of an object from 0-1 sec.
boyakko [2]

Answer:

. 2 m/s

Step-by-step explanation:

Speed is defined as the rate of change in distance per time.

in this case you can simply observe the graph to get the final and initial distances & time.

The motion starts from 0 and moves to 2 if you look at the y axis of the graph.

Thus, the initial distance is 0m & the final distance is 2m

The time is specified in the question to have an initial of 0 sec and a final of 1 sec.

now let's plot our values out as a given.

S1 = 0m t1 = 0 sec

S2 = 2m t2 = 1 sec

and so you're going to have to find the change in time and displacement individually to later engage both in your formula which is - ∆V = ∆S / ∆t

∆S = S2 - S1 = 2m - 0m = 2m.

∆t = t2 - t1 = 1 sec - 0 sec = 1 sec.

∆V = ∆S / ∆t = 2m / 1 sec = 2m/sec (2m/s)

3 0
3 years ago
Of 80 t shirts 10% are white, 30% are blue and the rest are red how many are red ?
satela [25.4K]

10 % + 30 % = 40 %

100% - 40% = 60%

60% are red

Multiply total shirts by 60%

80 x 0.60 = 48

48 shirts are red

6 0
3 years ago
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wlad13 [49]

Answer:

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8 0
3 years ago
50000 is 10 times as much as what number
Morgarella [4.7K]
5000, would be your answer.
7 0
3 years ago
Select all that apply.
Mila [183]

First we need to have same units before comparing them. That is, either both of them are in cm or both of them are in mm. So if we need to convert 12.5 cm to mm, we know that 1 cm =10 mm. So we have to find out how many mm are in 12.5 cm. And let 12.5 cm =x mm. So to find the value of x , we set a proportion and solve for x. That is

\frac{1cm}{10mm}=\frac{12.5cm}{x mm}

The units cancel out and we do cross multiplication. That is

1*x =12.5*10

x=125

So 12.5 cm =125 mm. Therefore the correct proportion is C.

3 0
3 years ago
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