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3 years ago

Find the midpoint of the segment with the following endpoints. (-10, 2) and (-5, -1)

Mathematics

2 answers:

Dafna11 [192]3 years ago

6 0

Answer:

(4, 5)

Step-by-step explanation:

makkiz [27]3 years ago

4 0

Answer:

(4,5)

step by step example

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Solve the initial value problem yy′+x=x2+y2‾‾‾‾‾‾‾√ with y(1)=8‾√. To solve this, we should use the substitution u= x^2+y^2 help

leva [86]

Looks like the equation is

$yy'+x=\sqrt{x^2+y^2}$

Substitute $u(x)=x^2+y(x)^2$ , so that $u'=2x+2yy'$ . Then the equation is the same as

$\dfrac{u'-2x}2+x=\sqrt u\implies u'=2\sqrt u\implies\dfrac{\mathrm du}{2\sqrt u}=\mathrm dx$

Integrate both sides to get

$\sqrt u=C\implies\sqrt{x^2+y^2}=C$

Given that $y(1)=\sqrt8$ , we have

$\sqrt{1^2+(\sqrt8)^2}=C\implies C=3$

so the solution is

$\sqrt{x^2+y^2}=3$

7 0

3 years ago

What is the unit rate for this?<br> Time: 1, 2, 3, 4 <br> Amount: 0.6, 1.2, 1.8, 2.4

Debora [2.8K]

Answer:

1:0.6

Step-by-step explanation:

4 0

3 years ago

The diameter of a circle is 19 m. What is the circumference of the circle? Use 3.14 for pi.

Arlecino [84]

Answer:

D) 59.66 m

Step-by-step explanation:

circumference = 19π = 59.66 m

6 0

2 years ago

! PLEASE HELP QUICKLY !

Travka [436]

Answer:

see below

Step-by-step explanation:

y= 1/2x - 2

To find the x intercept, set y =0 and solve for x

0= 1/2x - 2

Add 2 to each side

2 = 1/2x -2+2

2 = 1/2x

Multiply by 2

2*2 = 1/2x *2

4 =x

The x intercept is 4

3 0

3 years ago

PLEASE HELP ME PLZ!!

vichka [17]

Answer:

1. Formula is A2 : A9 = COUNT( A2: A9 ) = 8

2. Formula is SUM( A2: A9 ) = 36

3. Formula is B2 : B9 = COUNT( B2: B9) = 8

4. Formula is MAX( C2: C9) = 5

5. Formula is MIN( C4: C8) = 3

6. Formula is SUM( C5 - C6) = 0

7. Formula is AVERAGE( C2: C9) = 4

Step-by-step explanation: Have a nice day! ✌️

7 0

2 years ago