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Vadim26 [7]
3 years ago
10

John took a drive to town at an average rate of 40 mph in the evening he drove back at 30 mph if he spent a total of seven hours

traveling what is the total distance traveled by John
Mathematics
1 answer:
USPshnik [31]3 years ago
6 0

Answer: 240 if I'm correct.

Step-by-step explanation: 7 hours + speed given, most likely equals:

40 x 3 =120

30 x 4 = 120

So...

120 miles there, 120 miles back at different speeds, for a total of 240 miles

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ASAP. Can someone help me find the percentage of these please, I can't figure it out. (Pic below)
atroni [7]

Answer:

Interphase: 55.56%

Prophase: 27.78%

Metaphase: 8.33%

Anaphase: 5.56%

Telophase: 2.78%

Step-by-step explanation:

All you need to do is follow the instructions. To get the percentage, all you need to do is divide the part by the whole then multiply it by 100%.

\dfrac{Part}{Whole}\times 100\%

Now let's take your problem:

Number of cells in interphase:

20 this is the part and the whole would be the total cells, which is 36. Now we insert that into our equation:

\dfrac{20}{36}\times 100\%=0.5556\times100\%=55.56\%

So now we apply the same to the rest:

Prophase:

\dfrac{10}{36}\times 100\%=0.2778\times100\%=27.78\%

Metaphase:

\dfrac{3}{36}\times 100\%=0.0833\times100\%=8.33\%

Anaphase:

\dfrac{2}{36}\times 100\%=0.0556\times100\%=5.56\%

Telophase:

\dfrac{1}{36}\times 100\%=0.0278\times100\%=2.78\%

4 0
3 years ago
(x-3) (x-4) polynomial
Debora [2.8K]

Answer:

x^{2} -7x +12

Step-by-step explanation:

Using the Foil method

you multiply x times x and get x^{2}

Then you multiply -4 times X and get -4x

Then you multiply -3 times X and get -3x

then you add -4 and -3 together and get -7x

Lastly you multiply -4 and -3 and get 12

And there you have it

x^{2} -7x +12

8 0
3 years ago
Hey Friends!! Wanna talk and chill?
Ivan

Answer:

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Plz help me with these two questions I have no idea how to do this
viktelen [127]
(7-3+4^3/2) / (9-5)
7-3+64/2) / 4
(7-3 + 32) / 4
(4 + 32) / 4
36/4 = 9

48 + 72
24(2 + 3)

8 0
4 years ago
Perform the indicated operation -3+14= ?
Zigmanuir [339]
The answer is -3+14=11
5 0
4 years ago
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