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sattari [20]
3 years ago
7

Which expression is equivalent to (5 x 6)x(3 x 2)?

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0

Answer:

30x6

Step-by-step explanation:

5x6=30

3x2=6

Elanso [62]3 years ago
7 0

Answer:

you have to give us answer choices, but one possible one would be: (3 x 10) x (36 / 6)

Step-by-step explanation:

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Don’t need to explain, but if you want to then go ahead!
drek231 [11]

Answer:a

Step-by-step explanation:

3 0
3 years ago
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The equation x ^ 2 - 2x + y ^ 2 - 4y = 20 defines a circle in the xy-coordinate plane What is the radius of the circle?
Helga [31]

Answer:

I'll set up the problem and you can do the calculation

Step-by-step explanation:

we need to complete the squares to get the equation in the general form:

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

where h = the x coordinate of the center

k = the y coordinate of the center

r = the radius

so looking at

{x}^{2}  - 2x

we can see that if use -1 as the constant we have

{(x - 1)}^{2}  =  {x}^{2}  - 2x   + 1

doing the same for y

{y}^{2}  - 4y

we can use -2 as the constant (basically you that the s

quare of the y coefficient )

{(y - 2)}^{2}  =  {y}^{2}  - 4y   + 4

so now we have to add or subtract the constant on the RHS to see what the square of the radius is according to the general form of the equation at the top

20 +1+4=25

Take the square root and you have the radius

4 0
3 years ago
A stained glass window is going to be installed in a semi-circular opening, which is above a 30 inch wide door. If the stained g
krek1111 [17]
You will need half of the circle with radius of 15 inches.
Area of semi-circle = (<span>πr^2)/2 = 353.25 x $1.40 = $494.55 </span>
8 0
3 years ago
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What is 3,567,194 rounded
coldgirl [10]
4,000,000 is 3,567,194 rounded (-:
4 0
3 years ago
How many inches is each slice of pizza?
mariarad [96]

Hey!


First, let's find the area. The formula for finding area of a circle is: π · r²


Radius is ½ of the diameter. Divide the diameter by 2 to get the radius.


d = 18

18 ÷ 2 = 9


r = 9

r² = 9 × 9 = 81


The area of the whole pizza is 81π. There are 10 slices. Divide the area of the whole pizza by 10 to find the area of 1 slice.


81π ÷ 10 = 8.1π


<em>That means each slice is 8.1π inches²</em>

4 0
3 years ago
Read 2 more answers
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