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deff fn [24]
3 years ago
9

!PLEASE HELP ME THIS IS 10 POINTS!

Mathematics
2 answers:
ruslelena [56]3 years ago
7 0

Answer:

a i think

Step-by-step explanation:

im not good at math

Finger [1]3 years ago
5 0

Answer:

The answer is C. 42 and 62

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Original price $65.00; Markdown: 12%
MAVERICK [17]
65 x .12 = 7.865 - 7.8 = 57.2

8 0
3 years ago
What is the range of f(x) = – 4?
aliya0001 [1]
Range is the value of the output
basically
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not listed
7 0
3 years ago
Find k given that these three points are collinear.<br> A(0, -2), B(2, 0), and C(5, k)
goldfiish [28.3K]

Answer:

k = 3.

Step-by-step explanation:

If they are collinear the slope of AB = the slope of BC, so :-

(0- (-2)) / (2 - 0) = (k - 0) / (5 - 2)

2/2 = k/3

1 = k/3

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7 0
3 years ago
Determine (without solving the problem) an interval in which the solution of the given initial value problem is certain to exist
yuradex [85]

Answer:

0 < t < 5 is the required interval for the differential equation (t - 5)y' + (ln t)y = 6t to have a solution.

Step-by-step explanation:

Given the differential equation

(t - 5)y' + (ln t)y = 6t

and the condition y(1) = 6

We can rewrite the differential equation by dividing it by (t - 5) as

y' + [(ln t)/(t - 5)]y = 6t/(t - 5)

(ln t)/(t - 5) is continuous on the interval (0, 5) and (5, +infinity).

6t/(t - 5) is continuous on (-infinity, 5) and (5, +infinity)

We see that for these expressions, we have continuity at the intervals (0, 5) and (5, +infinity).

But the initial condition is y = 6, when t = 1.

The solution to differential equation is certain to exist at (0, 5)

Which implies that

0 < t < 5

is the required interval.

3 0
3 years ago
An international calling plan charges a rate per minute plus a flat fee. A 10-minute call to France costs $3.19. A 15-minute cal
Vinil7 [7]

y = 0.22(12) + .99 = 3.63

A 12 minute call will cost $3.63

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3 years ago
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