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dolphi86 [110]
2 years ago
9

Quadrilateral ABCD is cyclic. Identify what the missing angle measures must be.

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
8 0

Check the picture below.

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if selina 8% commission on sales.on one sale,her commission was $20.40.what was the amount of that sales
Art [367]

Answer:

255

Step-by-step explanation:

8

20.40

=

100

x

%

$

8

x

=

20.40

×

100

x

=

20.40

×

100

8

x

=

$

255

Method 2:

20.40 x

% you want

% you've got

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5 0
3 years ago
What is the surface of a cube with the side lenght of 9cm
marissa [1.9K]
<span>The total surface area is SA = 6 </span>× a^{2};
SA = 6 × 9^{2} = 6 × 81 = 486 cm^{2};
5 0
3 years ago
Over the weekend halverson had put together 3/16 if a jigsaw puzzle while jamie put together 10/16 of the puzzle. Who had coplet
Luden [163]

Answer:

Jamie. by 7/16

Step-by-step explanation:

Halverson completed: 3/16

Jamie completed: 10/16.

To understand who completed more, look at the denominator. The common denominator is 16. Assume a puzzle has 16 pieces and Halverson did 3 out of 16 and Jamie did 10 out of 16. This means Jamie did more.

If you want to know by how much Jamie did more, it would be the difference of both the fraction. This means that 10 done by Jamie minus 3 done by Halverson, which is 7. So 7 out of 16 is the difference.

\frac{10}{16} -\frac{3}{16}

7 out of 16 can be written as 7/16

6 0
3 years ago
Solve the quadratic equation:<br> 3x^2+x-5=0
adell [148]

3x²+x-5=0

a = 3, b = 1, c= -5

-> ∆ ( delta ) = b²-4ac = 61 > 0

-> x1 =( -b+√∆ )÷ 2a =...

x2 = (-b-√∆)÷2a =...

p/s: do your teachers teach you how to use ∆ ( delta ) in maths calculation ? i live in europe and our teachers teach us that way. however, it is a rịght and fast way. you should learn it.

4 0
2 years ago
The circle below has center C, and its radius is 5 in. Given that m
yan [13]
What is the question bruh not everybody know what you talkin bout
7 0
3 years ago
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