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exis [7]
4 years ago
10

PLEASE HELLP PLEASE!!!!! Create a problem that uses the commutative property to find the sum of at least 2 rational numbers. Sho

w how the commutative property is used to solve the problem.
PLEASE HELP ME!!!!!!
Mathematics
2 answers:
gladu [14]4 years ago
7 0
I can show you one in addition and one in multiplication

7 x 1 x 9 = 9 x 1 x 7

The commutative property is like  a mirror it reflect the numbers.

7 x 1 = 7
7 x 9 = 63

9 x 1 = 9
9 x 7 = 63

This can also be applied to addition

(2+3) +5 = 5 + (3 + 2)


lyudmila [28]4 years ago
3 0
<span>2+4 = 4+2 
</span>
would be your answer 
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Describe the position of the polar coordinates on the polar plane for (4,120).
Otrada [13]
Clearly r=4 corresponds to a point on the fourth "circle" in the plane. \theta=120^\circ is a rotation of 120 degrees counter-clockwise relative to the positive side of the horizontal axis, which corresponds to a clockwise turn of 360 - 120 = 240 degrees.

This means (C) is the answer.
6 0
4 years ago
Events A and B are independent. find the missing probability<br> P(A)= 1/4 , P(B)= 3/5, P(B I A) =?
Svetach [21]

Answer:

hello : P(A and B) = 3/20

Step-by-step explanation:

events A and B are independent:

P(A and B) = P(A)×P(B)

P(A and B) = (1/4)×(3/5)

P(A and B) =3/20

continu ....

P(B/A)= P(A and B) / P(A)

3 0
4 years ago
US<br> Find the value of x.<br> 80<br> 93<br> 112<br> y<br> Z<br> x = [?]
Elenna [48]

Answer:

x = 74°

Step-by-step explanation:

The diagram shown in this question, is a Quadrilateral inscribed in a circle

It is important to note that

The sum of opposite angles in a Quadrilateral = 180°

93° + z = 180°

z = 180° - 93°

z = 87°

In a cyclic quadrilateral,

Intercepted angle = 1/2(Intercepted arc)

Intercepted angle = 93°

Intercepted arc = x + 112°

Hence,

93° = 1/2(x + 112)°

93° × 2 = x + 112°

186° = x + 112°

x = 186° - 112°

x = 74°

6 0
4 years ago
Mira bought $500 of Freerange Wireless stock in January of 1998. The value of the stock is expected to
Alexus [3.1K]

Answer:

2002

Step-by-step explanation:

The main topic of the question is compound interest.

If the percentage increase is 7.5%. Then the decimal multiplier would be 1.075. The 1 in front of the decimal represents the increase. 7.5 in decimal form is 0.075, so we just add the two together to get our decimal multiplier.

Now we do trial and error to see when we reach $700. After we get at least $700, we count how many times we multiplied $500 by the decimal multiplier and onwards to figure out the number of years it took and then add that to 1997. We add it to 1997 because the cost of the Freerange Wireless stock must have also been $500 at the end of 1997. The beginning of 1998 is the same as the end of 1997.

1) 500 x 1.075 = $537.50

2) 537.50 x 1.075 = $577.81

3) 577.81 x 1.075 = $621.15

4) 621.15 x 1.075 = $667.74

5) 667.74 x 1.075 = $717.8205

1997 + 5 = 2002

The value of Mira's stock will reach $700 by the end of 2002 because if we know that she used $500 at the beginning of 1998, that also means the cost of the Freerange Wireless stock was $500 at the end of 1997.

I hope this helps.

3 0
4 years ago
I NEED THE ANSWER IN THE NEXT MINUTE
OverLord2011 [107]

Answer:

508.68

*sorry if this is late

Step-by-step explanation:

Divide 36 by 2 to get radius

Multiply 18 by itself to get 324

Multiply 324 by 3.14 to get the area of a circle

Divide it by 2 to get the area of the semi circle

7 0
3 years ago
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