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xxMikexx [17]
3 years ago
11

Don’t understand. Pls explain :)

Mathematics
1 answer:
sveta [45]3 years ago
8 0

Step-by-step explanation:

  1. put your finger on zero and move it to -1 then go up to positive 1 and put ur dot there.
  2. put ur finger on 0 again then go to -1 but now u move down to -2 and put ur dot there.
  3. now put ur finger on the zero and go to the opposite side to positive 2 then go down to -2 and put ur dot there. Hope that helps :)
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Julia sells subs for $6 each. How many subs will she need to sell to break even each month based on the costs listed below?
andrey2020 [161]

Answer:

2777.7777... subs

Step-by-step explanation:

11000+400+1300+300=13000

6-1.32=4.68

13,000/4.68

=2777.777777...

3 0
1 year ago
Consider the differential equation: y′′−8y′=7x+1. Find the general solution to the corresponding homogeneous equation. In your a
Margaret [11]

Answer:

yp = -x/8

Step-by-step explanation:

Given the differential equation: y′′−8y′=7x+1,

The solution of the DE will be the sum of the complementary solution (yc) and the particular integral (yp)

First we will calculate the complimentary solution by solving the homogenous part of the DE first i.e by equating the DE to zero and solving to have;

y′′−8y′=0

The auxiliary equation will give us;

m²-8m = 0

m(m-8) = 0

m = 0 and m-8 = 0

m1 = 0 and m2 = 8

Since the value of the roots are real and different, the complementary solution (yc) will give us

yc = Ae^m1x + Be^m2x

yc = Ae^0+Be^8x

yc = A+Be^8x

To get yp we will differentiate yc twice and substitute the answers into the original DE

yp = Ax+B (using the method of undetermined coefficients

y'p = A

y"p = 0

Substituting the differentials into the general DE to get the constants we have;

0-8A = 7x+1

Comparing coefficients

-8A = 1

A = -1/8

B = 0

yp = -1/8x+0

yp = -x/8 (particular integral)

y = yc+yp

y = A+Be^8x-x/8

3 0
3 years ago
What is the value of this expression? 4/15+3/5−2/3 Quick
VMariaS [17]

Answer:

I  think that would be 1/5

Explanation:

Hope this helps!

3 0
2 years ago
What where's the next expression 24 - 6 + 3
Kazeer [188]
<span>24 - 6 + 3
Subtract 6 from 24
18 + 3
Add
Final Answer: 21</span>
5 0
3 years ago
David correctly factored the expression m^2 ─ 12m ─ 64. Which expression did he write?
julia-pushkina [17]

Answer:

3

Step-by-step explanation:

because it's got factors of 64 which when u add gives -12

7 0
3 years ago
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