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EleoNora [17]
2 years ago
12

What is the solution of √1-3x=x+3

Mathematics
1 answer:
grandymaker [24]2 years ago
8 0

Answer:

x = -1

Step-by-step explanation:

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Marlene rides her bicycle to her friend​ jon's house and returns home by the same route. marlene rides her bike at constant spee
riadik2000 [5.3K]

To solve the problem:

<span>Let f = distance one way distance on level ground</span>

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Let h = distance rode on the hill</span>

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Write a time equation; where Time = distance/speed:</span>

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level time + uphill time + downhill time + level time = 1hr</span>

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<span>f/9 + h/6 + h/18 + f/9 = 1 hr</span>

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Multiply equation by 18 to get rid of the denominators</span>

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2f + 3h + h + 2f = 18


4f + 4h = 18


Simplify by dividing this by 4


<span>f + h = 4.5 miles is took her to get to Jon’s house.</span>

6 0
3 years ago
Where is the blue dot on the number line?
earnstyle [38]

<em>Answer:</em>

–6.8

<em>Method:</em>

Counting backwards from –7 to –6.5

5 0
2 years ago
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CAN SOMEONE PLEASE HELP WILL GIVE 20 POINTS AND GIVE YOU A FIVE STAR RATING AND GIVE 20 POINTS
Alla [95]

1. 4^2 +x^2 = 6^2

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2. using the same equation as above: 20 inches

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4. using distance formula answer is 7.07 units

5.volume cylinder: 62.82, volume sphere: 33.51, difference:=62.82 -33.51 = 29.31 cubic inches 


8 0
3 years ago
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What is the scale factor of this dilation? 2/3, 1 1/2, 3, 5?
aleksandr82 [10.1K]

Answer:

Step-by-step explanation:

A scale factor of 1:3 means that one triangle is 3 times bigger than the other, for example. So, if the small triangle has a perimeter of 27, the big triangle has a perimeter 3 times as big.

7 0
2 years ago
What is the inverse of y=2x+7
Katyanochek1 [597]
Y=(0,7)
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3 0
3 years ago
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