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Inessa05 [86]
3 years ago
9

The numbers 12, 34, 56, 78, 90 are five two-digit numbers that use

Mathematics
1 answer:
Slav-nsk [51]3 years ago
6 0

Answer:

90, 81, 72, 63, 54

Step-by-step explanation:

I think that these numbers make up the most possible product. Having the larger numbers on the side as the tens digit would be a better way of making the product bigger so that you can leave the smaller numbers for the smaller ones digit.

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What is the radius and center of the circle given by the equation (x-5)^{2}+(y+2)^{2} = 81/4
artcher [175]

Answer:

The center is (5, -2) and the radius is 9/2

Step-by-step explanation:

The equation of a circle can be written by

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

where (h,k) is the center and r is the radius

(x-5)^{2}+(y+2)^{2} = 81/4

( (x-5)^{2}+(y- -2)^{2} = (9/2)^2

The center is (5, -2) and the radius is 9/2

6 0
3 years ago
Write the sum of 27+63 as a product of there gcf and a another sum
Sloan [31]

Answer:

27+63=90

9(3+7) is the same as 27+ 63

3 0
3 years ago
Threeangles of a quadrilateral are equal and its fourth angel is 120° . Find all the angels
lilavasa [31]

Answer:

80°

Step-by-step explanation:

Three angles are equal

Let the equal angle be x

3x+120=360

3x=240

x=240/3

=80

Hence the three angles are 80∘


6 0
3 years ago
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A rectangle is removed from a right triangle to create the shaded region shown below. Find the area of the shaded region. Be sur
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4 0
3 years ago
Quadrilateral ABCD ​ is inscribed in this circle.
Sedbober [7]
The answer to this is 65. 

Remember that the angles opposite of each other equal to 180. So a+c=180 and b+d=180. 

First, we solve for x. Since we know that b and d equal to 180, we subtract 148 from 180. 
180-148=32. x=32. 

Then we plug that in the expression for angle a. 
2x+1 becomes 2(32)+1
2*32=64
64+1=65.
a=65
4 0
3 years ago
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