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3 years ago

Show how 4×3/4 can be solved using multiplication and division.

1 answer:

3 0

All you have to do is times 4 by both the numerator and denominator therefore the answer is 12/16
Or in its simplest form 3/4

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What is the center of the ellipse x2+5y2–45=0?

jeka94

Answer:

Center is at (0,0)

Step-by-step explanation:

An equation of ellipse in standard form is:

$\displaystyle{\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2} = 1$

Where center is at point (h,k)

From the equation of $\displaystyle{x^2+5y^2-45=0}$ . First, we add 45 both sides:

$\displaystyle{x^2+5y^2-45+45=0+45}\\\\\displaystyle{x^2+5y^2=45}$

Convert into the standard form with RHS (Right-Hand Side) equal to 1 by dividing both sides by 45:

$\displaystyle{\dfrac{x^2}{45}+\dfrac{5y^2}{45}=\dfrac{45}{45}}\\\\\displaystyle{\dfrac{x^2}{45}+\dfrac{y^2}{9}=1}$

Therefore, the center of ellipse is at (0,0) since there are no values of h and k.

8 0

2 years ago

Estimate area pls i

NNADVOKAT [17]

Answer:

The simplest (and most commonly used) area calculations are for squares and rectangles. To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.

3 0

3 years ago

Bill has $35 more than Jill. After Jill gave Bill $13, Bill had twice as much money as Jill. How much money did they have altoge

kozerog [31]

Answer:

48 all together

7 0

3 years ago

What is 36-8z by factoring

tatyana61 [14]

Answer:

z=9/2

Step-by-step explanation:

36-8z=0

36=8z

z=36/8

z=9/2

8 0

3 years ago

Please help (long division)

Ivanshal [37]

Answer:

8y^5-6y⁴+1 is the answer

5 0

3 years ago