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kvasek [131]
4 years ago
11

Solve this system of equation Question number 5

Mathematics
1 answer:
GrogVix [38]4 years ago
6 0
The answer is s=(1/3) t=-1 r=3

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Solve for x. 4x^2+23x=−28
frutty [35]
4x² + 23x = -28

4x² + 23x + 28 = 0     move all terms to one side.

4x² + 16x + 7x + 28 = 0   split the second term into two terms

4x(x + 4) + 7(x + 4) = 0    factor.

(x + 4)(4x + 7) = 0    factor.

x = -4, -7/4

hope this helps, God bless!
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The graph shows a proportional relationship between the number of kilometers traveled by a bicycle (y) and the number of minutes
yaroslaw [1]

The unit rate of the bicycle is 0.3 kilometers per minute.

<h3>Linear equation</h3>

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the rate of change and b is the y intercept (initial value of y).

Let y represent the km travelled by the bicycle after x minutes. From the graph using the point (0, 0) and (40, 12), hence:

Unit rate (m) = (12 - 0)/(40 - 0) = 0.3 km/min

The unit rate of the bicycle is 0.3 kilometers per minute.

Find out more on Linear equation at: brainly.com/question/14323743

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Joe had $2. He found a quarter but he lost a dollar in the vending machine. How much money does he have now
luda_lava [24]
1.25$ ( 1 dollar and 25 cents )
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alexira [117]
<em><u>There is no solution!</u></em>
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