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Y_Kistochka [10]
3 years ago
7

For the equation , y = -3x + 5 , tell whether its graph passes through the first quadrant. Explain how you know.

Mathematics
1 answer:
Vsevolod [243]3 years ago
3 0
For any point to be in the first quadrant, it must have a positive "x" value and "y" value. 
If x = 1 then y = 2, a point with both x and y positive values which would be in the First Quadrant.




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The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose
avanturin [10]
Intensity=k/(distance)² where k is a constant
    8000=k/2²
    8000=k/4
    k=32000

If distance is 11 miles, Intensity=k/11²
                                                 =32000/121
                                                 =264.46units
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6 0
3 years ago
At the spring dance there were 23 more students than 6 times the number of teachers. There were 215 students that attended the d
Mademuasel [1]

Answer: There were 32 teachers.

Step-by-step explanation:

(215 - 23)/6 = amount of teachers

215 - 23 = 192

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8 0
3 years ago
Read 2 more answers
Help me solve this Algebra problem please​
sp2606 [1]

Answer:

39858075

Step-by-step explanation:

Hello,

One basic way to see it is to compute the values.

   75 = 25 * 3

   225 = 75 * 3

   675 = 225 * 3

   etc ...

We can notice that this is multiplied by 3 every 10 years so we can compute as below.

year         population

1970 25

1980 75

1990 225

2000 675

2010 2025

2020 6075

2030 18225

2040 54675

2050 164025

2060 492075

2070 1476225

2080 4428675

2090 13286025

2100 39858075

So the correct answer is 39858075

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

4 0
3 years ago
Helppppppppppp. Pleaseeeeeeeeeeeeeeeeeeeeeeeeeeee
olga55 [171]

Answer:

7

Step-by-step explanation:

form a proportion

12/2=42/x

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12x=84

x=7

6 0
3 years ago
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conner deposited $84 into his checking account. if his new Balance is $451, what was his balance before the deposit
prisoha [69]
His balance was originally $367 
3 0
3 years ago
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