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3 years ago

PLS PLS PLS HELP ME WITH THESE 2 PROBLEMS 20 POINTS

Mathematics

1 answer:

Grace [21]3 years ago

5 0

Answer: 17

Step-by-step explanation: Trust me, G!

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Does anyone else agree that the answer for this family of curves question is E, dy/dx = x + y?

neonofarm [45]

Yes this is the correct answer. The slope field shown is the differential equation dy/dx = x+y

All points along the line x+y = k, for some constant k, will have the same tangent slope k. For example, the line x+y = 0 will have every point with tangent slope 0 for the solution y(x). It may not be 100% clear, but this graph has horizontal tickmarks on the line x+y = 0, or the tickmarks are close to being horizontal. Using geogebra, I checked the others and they produced completely different graphs, which allowed me to rule them out.

6 0

3 years ago

The interior angle sum of a convex polygon is 330, how many sides does the polygon have?

MissTica

let the number of sides be n.

Thus,

(n-2)x180=330

n-2=1.83

n=3.83

Rounding off we have, n=4.

Thus the total number of side is 4.

4 0

1 year ago

Sam needs to make a long-distance call from a pay phone. With his prepaid phone card, he will be charged $1.00 to connect and $0

Mademuasel [1]

Answer: The required system of equations representing the given situation is

$y=1+0.5x\\\\y=3+0.25x$

Step-by-step explanation: Given that Sam needs to make a long-distance call from a pay phone.

We are to write a system to represent the situation.

Let x represent the number of minutes Sam talked on the phone and y represents the total amount that he paid for the call.

According to the given information,

with prepaid phone card, Sam will be charged $1.00 to connect and $0.50 per minute.

So, the equation representing this situation is

$y=1+0.5x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

Also, if Sam places a collect call with the operator he will be charged $3.00 to connect and $0.25 per minute.

So, the equation representing this situation is

$y=3+0.25x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)$

Thus, the required system of equations representing the given situation is

$y=1+0.5x\\\\y=3+0.25x$

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3 years ago

Resolver esta ecuación

igomit [66]

Answer:

Step-by-step explanation:

f(x)/g(x) = (x+6)/[(x+6)(x-6)]

Cancel (x+6)

Answer is 1/(x-6)

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3 years ago

Write the inequality described then solve for the variable.

Marina86 [1]

Answer:

Step-by-step explanation:

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3 years ago