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IrinaK [193]
3 years ago
5

Hey anybody plz help me ;C

Mathematics
1 answer:
jekas [21]3 years ago
3 0

Answer:

her equation should be a² + 3² = 4²

Step-by-step explanation:

a² + 3² = 4²

a² + 9 = 16

a² = 7

a = \sqrt{7}

a ≈ 2.6 inches

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Equivalent expression for (x+6)-5+9
Bumek [7]

Answer:

x + 10

Step-by-step explanation:

(x + 6) - 5 + 9 \\  = x + 6 + 4 \\  = x + 10

7 0
3 years ago
Nora needs at least $115 for a new cell phone. She has already saved $45. She earns $7 an hour at her job. Write and solve an in
Volgvan

Answer:

she only needs to work ten hours

Explanation: if you subtract 45 from 115 you well end up with 70 a and if you work for ten hours 7 ×10=70 so you would have enough.

8 0
3 years ago
d^2y/dx^2=sqrt(1+(dy/dx)^2 state the order of the given ordinary differential equation. Determine whether the equation is linear
Georgia [21]
This is a second-order ODE since the highest order derivative is 2 (from \dfrac{\mathrm d^2y}{\mathrm dx^2}).

It's not linear because it doesn't take the form

F\left(\dfrac{\mathrm d^2y}{\mathrm dx^2},\dfrac{\mathrm dy}{\mathrm dx},y,x\right)=0\iff f_2(x)\dfrac{\mathrm d^2y}{\mathrm dx^2}+f_1(x)\dfrac{\mathrm dy}{\mathrm dx}+f_0(x)y+g(x)=0

and it's not possible to rewrite it as such.
5 0
3 years ago
Need help here!!!!
natulia [17]

A true equation from these numbers can be:

82 ÷ 2 = 41 ÷ 2 = 20.5

Hope this helps!

5 0
2 years ago
Read 2 more answers
Guys help please<br><br> if i get this question wrong i fail....
Nezavi [6.7K]

Answer:

C

Step-by-step explanation:

goodluck <3

8 0
2 years ago
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