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slava [35]
3 years ago
11

Help pleasee, its past due , im sufferingggg

Mathematics
1 answer:
jeyben [28]3 years ago
5 0

Answer:

-11

Step-by-step explanation:

First we plug -2 in for c

4(-2)-3=-8-3=-11

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use Euler's method with a step size of 0.4 to approximate the solution of the differential equation y'=2xy; y(1)=2, at x=3
NISA [10]

Answer:

Approximate solution is 541.

Step-by-step explanation:

y' = 2xy, Δx = 0.4.

Make a table:

x       y            y'            y' Δx + y

1        2           4             4*0.4 +  2 = 3.6   <---this is the new y value.

1.4    3.6        10.08      7.632

1.8    7.632    27.48     18.624

2.2  18.624   81.95      51.70

2.6  51.70    268.85   159.24

3     159.24  955.44    541.4

3 0
3 years ago
What is the factor for x^2-4x-21
7nadin3 [17]
(x+7) (x-3) is the anwer

5 0
3 years ago
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What is 1/5 expressed as a percent? A. 10% B. 20% C. 30% D. 50%
Serggg [28]

Answer:

I'm pretty sure it's B.20%

8 0
3 years ago
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I must be s.tupid but someone plzzzzzzzz help!
Gala2k [10]

Answer:

=

Step-by-step explanation:

8.5 is also 8 and 1/2, it just has negative signs infront

3 0
3 years ago
A truck is carrying 10 cars weighing an average of 3,500 pounds each. What is the total weight in tons of the cars on the truck?
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