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kifflom [539]
3 years ago
5

The pair of variables x=5, y=7 is the solution to the equation ax–2y=1. Find the coefficient a.

Mathematics
2 answers:
Wewaii [24]3 years ago
5 0

Answer:

a=3

Step-by-step explanation:

This should be very simple, just substitute xy and y for 5 and 7 respectively, so 5a-2*7=1, or 5a-14=1, or 5a=15, if we divide both sides by 5, we get a=3

yanalaym [24]3 years ago
4 0

Answer:

A=3 5a-14=1

Step-by-step explanation:

Add 14 to both sides then divide 5 and 15 to get 3

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As given that Roscoe rides his bike at least 10 miles and not more than 30 miles, so the domain will lie in this range which is 10 and 30.

So, correct answer is option C: all real numbers from 10 to 30, inclusive .Real because this domain range will contain fractional units also.

5 0
3 years ago
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Tanzania [10]

Answer:

Is there any choices? I'd either say 3/5 or 60/100.

Step-by-step explanation:

The reason being, both would equal around 60% I believe. 60% is 3/5th's of a 100, and 60/100 is simply 60 out of 100. Unless your going farther than I'm not entirely sure. I'm sorry.

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3 years ago
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The radius of a circle is 3 miles. What is the circle's area?​
BARSIC [14]

Answer:

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3 0
2 years ago
Help me find the solution set for 8x-3=2(x-1/2)
daser333 [38]
8x -3 = 2(x-1/2)
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The final answer is x= 1/3~
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Mekhanik [1.2K]

Answer: independent variable: time (t). Dependent variable: distance (d).

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