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Drupady [299]
3 years ago
7

Help please, thank you

Mathematics
1 answer:
Lynna [10]3 years ago
5 0
Abc 2+2=4 i think Fortnite
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How does writing equivalent equations help you solve a system of equations?
Alexus [3.1K]
Writing equivalent equations help you solve system of equations because it sets it up for being broken down part by part.

3 0
3 years ago
5-2x=15<br><img src="https://tex.z-dn.net/?f=5%20-%202x%20%3D%2015" id="TexFormula1" title="5 - 2x = 15" alt="5 - 2x = 15" align
padilas [110]
<span>5-2x=15

</span>5-2x=15 \\  \\ -2x= 15-5  \\  \\ -2x= 10 \\  \\ x=  \dfrac{10}{-2} \to  \boxed{x= -5}<span>
</span>
6 0
3 years ago
A sphere has a radius of 2x + 5. Which polynomial in standard form best describes the total surface area of the sphere? Use the
faust18 [17]
Start with the given formula for the surface area of a sphere.

S = 4 \pi r^2

Now substitute 2x + 5 in for r, the radius.
Then simplify the expression and write it in standard form.

S = 4 \pi (2x + 5)^2

S = 4 \pi (4x^2 + 20x + 25)

S = 16 \pi x^2 + 80 \pi x + 100 \pi
5 0
3 years ago
How do i convert 6 cm cubed to meters cubed??
Svet_ta [14]
6cm^3 =
6* 0.001dm^3=
6*10^(-3)dm^3=
6*10^(-3)*10^(-3)m^3=
6*10^(-6)m^3

or 0.000006 meters cubed
4 0
3 years ago
The function y = –0.296x2 + 2.7x models the length x and height y that your sister's pet rabbit can jump, in centimeters. How hi
Ne4ueva [31]
To figure out the solution in a problem related to calculate maximum or minimum of something, you've to derive the involved equation, and make it equal to 0, solving the x.

So:
y = -0'296x² + 2'7x
y' = -0'592x + 2'7
0 = <span>-0'592x + 2'7
</span><span>-0'592x = 2'7
</span>x = 4'56

And if we substitute 4'56 on the first equation:
y = -0'296·<span>4'56² + 2'7·4'56
y = 6'16

So the length of the jump is 4'56cm, and the height 6'16cm.</span>
8 0
4 years ago
Read 2 more answers
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