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slava [35]
3 years ago
15

HELP ME HELP ME 10 POINTS

Mathematics
1 answer:
wel3 years ago
7 0

Answer:

N+P or number 3

Step-by-step explanation:

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Find the value of x and y from ordered pair.<br>(x+y,2x-y)=(13,2)​
Katarina [22]

Answer:

x=5, y=8

Step-by-step explanation:

x+y=13

2x-y=2

add these two equations

3x=15

therefore x=5

apply this value in x+y=13

5+y=13

then y=13-5 = 8

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2 years ago
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What is 66 1/2 converted to in feet? HURRY PLEASE
astraxan [27]

Step-by-step explanation:

66 1/2= 5ft. and 6 1/2in.

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3 years ago
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Point M is the midpoint of segment AB. If AM = 50 – 3x and MB = –20 + 4x, find the value of AM
love history [14]
The answer to your question is 20
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2 years ago
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A solution is heated from 0°C to 100°C. Between 0°C and 50°C, the rate of temperature increase is 1.5°C/min. Between 50°C and 10
muminat

Answer:

0.6 °C/min

Step-by-step explanation:

The relationship between rates and movement is ...

time = distance/speed

Here, the "distance" is measured in °C, and the "speed" is the rate of change of temperature.

For the first half of the heating, the time required is ...

(50°C -0°C)/(1.5 °C/min) = 50/(3/2) min = 100/3 min

For the second half of the heating, the time required is ...

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Then the total time is ...

((100/3) +125) min = (475/3) min

And the average rate of temperature increase is ...

total temperature change / total time

= (100°C -0°C)/(475/3 min) = 300/475 °C/min = 12/19 °C/min ≈ 0.6 °C/min

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3 years ago
Y = f(x) = 25x<br><br> Find f(x) when x= 1/2
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Answer:

12.5

Step-by-step explanation:

f of x just means y, so you're just finding y when x = 1/2

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