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3 years ago

Which three-dimensional figure has double the number of edges as faces?

Mathematics

2 answers:

Rudiy273 years ago

7 0

A cube has 2 times more edges than the faces :)

spayn [35]3 years ago

4 0

Cube and rectangular prism

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Is 28 cups greater or less than 14 Pints

marissa [1.9K]

Short answer: NO.

28 cups is exactly equal to 14 pints. (There are 2 cups per pint.)

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3 years ago

Me.Hatch bought 4 round-trip airplan tickets for $417 each. He also paid $50 in baggage fees. How much did Mr.Hatch spend

Stella [2.4K]

4 * 417 + 50

1668+50

1718

Mr Hatch spent $1718

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3 years ago

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The employees of two companies were asked how many times they checked their email during weekends. The table below shows the num

tekilochka [14]

Q1 of company A = 2.5
Q3 of company A = 8
Interquatile range = (Q3 - Q1)/2 = (8 - 2.5)/2 = 5.5/2 = 2.75

Q1 of company B = 2
Q3 of company B = 5.5
Interquatile range = (5.5 - 2)/2 = 3.5/2 = 1.75

Therefore, the interquartile range for Company A employees is 2 more than the interquartile range for Company B employees.

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3 years ago

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the equation of a circle in general form is x squared + y squared + 20x + 12 y + 15 equals 0what is the equation of the circle i

Marrrta [24]

Answer: $(x+10)^2+(y+6)^2=121$

Step-by-step explanation:

The equation of a circle in the general form is:

$ax^{2}+by^2+cx+dy+e=0$

The equaton of a circle in standard form is:

$(x-h)^2+(y-k)^2=r^2$

Where the center is at (h, k) and r is the radius

To write the equation of a circle from general form to standard form, you must complete the squaare, as you can see below:

1- Given the equation in general form:

$x^{2}+y^2+20x+12y+15=0$

2- Complete the square:

-Group the like terms and move the constant to the other side.

- Complete the square on the left side of the equation.

- Add the same value to the other side.

Then you obtain:

$(x^{2}+20x)+(y^2+12y)=-15\\(x^2+20x+(\frac{20}{2})^2)+(y^2+12y+(\frac{12}{2})^2)=-15+(\frac{20}{2})^2+(\frac{12}{2})^2\\\\(x+10)^2+(y+6)^2=-15+100+36\\(x+10)^2+(y+6)^2=121$

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3 years ago

Which equation has no solution?

Licemer1 [7]

The last one Does not have an awnser there is no like terms

3 0

3 years ago