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Arte-miy333 [17]
2 years ago
9

What is the solution to the following system of equations?

Mathematics
1 answer:
babunello [35]2 years ago
3 0

Answer:

simple quadratics

Step-by-step explanation:

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Find 5 rational numbers between 2/3 , 4/5​
iris [78.8K]

Answer:

0.67, 0.68, 0.69, 0.7, 0.71. (67/100, 68/100, 69/100, 70/100, 71/100)

Step-by-step explanation:

A rational number is a number that can be expressed as a fraction.

2/3 is approximately equal to 0.66.

4/5 is equal to 0.8

Thus, we just need to find 5 numbers between 0.66 and 0.8.

Some numbers that you could use are: 0.67, 0.68, 0.69, 0.7, 0.71

Hope this helps :)

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2 years ago
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7, 2x+2y= 16<br> 2x + (y= 28
timofeeve [1]

Answer:

its k haha

Step-by-step explanation:

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3 years ago
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A bag contains 56 marbles: 7 red, green, 11 yellow, 17 brown, and 13 blue.
pav-90 [236]

Answer:

8/56

Step-by-step explanation:

Add up all other marble colors then find the difference from the total.

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3 years ago
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What is another way to write 17 tens 6 ones​
Alisiya [41]

Answer:

176

Step-by-step explanation:

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3 years ago
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A thermometer is taken from a room where the temperature is 20°C to the outdoors, where the temperature is 3°C. After one minute
IrinaVladis [17]

Answer:

A. T=7.12°C; B. t=3.32min

Step-by-step explanation:

In order to find the answer we can use the Newton's law of cooling:

y(t)=y0e^{kt} where:

y0=initial temperature - room temperature

k=coefficients

t=time

Because the outdoors temperature is 3°C, the initial temperature is 20°C, and because the thermometer reads 11°C after 1min we have:

11=(20-3)e^{k*1}

ln(11/17)=k

-0.4353=k

A. Temperature after an extra minute.

y(2)=17e^{-0.4353*2}

y(2)=7.12 so the answer is 7.12°C

B. Time in order to read 4°C

4=17e^{-0.4353*t}

ln(4/17)/(-0.4353)=t}

3.32min=t

6 0
3 years ago
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