The circumference of Earth is 40,000 kilometers. How many trips around Earth could you

Mathematics

1 answer:

puteri [66]3 years ago

7 0

I’m answer is around 40

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Determine the standard form of the equation for the circle with center (h,k) = (-5 ½) and radius r =1

wariber [46]

Asuuing yo meant (h,k)=(-5,1/2)

equation is $(x-h)^2+(y-k)^2=r^2$
(h,k) is center and r=radious
given that (h,k)=(-5,1/2) and r=1
h=-5
k=1/2

$(x-(-5))^2+(y- \frac{1}{2} )^2=1^2$
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if you wanted us to expand
x²+y^2+10x-y+25.25=1

8 0

3 years ago

Help<br><br><br><br><br><br>What should be added to –7mn+2m2+3n2<br><br>to obtain 5m2+2mn-9n2

aalyn [17]

The polynomial to be added to –7mn + 2m² + 3n² to obtain 5m² + 2mn - 9n² is: 3m² - 11n² + 9mn.

<h3>Addition of Polynomials</h3>

Like terms should be combined together when adding polynomials.

Let x represent the polynomial expression that would be added to –7mn + 2m² + 3n² to obtain 5m² + 2mn - 9n².

Therefore:

–7mn + 2m² + 3n² + x = 5m² + 2mn - 9n².

x = 5m² + 2mn - 9n² - (-7mn + 2m² + 3n²)

x = 5m² + 2mn - 9n² + 7mn - 2m² - 3n²