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trapecia [35]
3 years ago
9

Gina says that for all real numbers a and b, ab=ba. is this statement true or false? If false, give a counterexample

Mathematics
2 answers:
Anika [276]3 years ago
6 0

Answer:

True

Step-by-step explanation:

The communative property states that the order in addition and multiplication dosen't matter.

Yakvenalex [24]3 years ago
3 0

Answer:

true

Step-by-step explanation:

the commutative property of multiplication says that the order of the factors does not change the equation. For Example, 2*3=3*2, =6

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What will happen if Pinocchio says "my nose will grow now" ??
Anna [14]
Maybe he lies under his breath right after saying that, then his nose will grow. 
5 0
3 years ago
27. In the figure, AFJD, BGFE, CHGA, DIHB and EJIC are straight lines.<br> Find a + b + C + d + e.
aalyn [17]
It is just asking to find the sum of interior angles
So follow this rule 180(n-2)
180(5-2)
180(3)= 540
So in another words: a+b+c+d+e=540
5 0
3 years ago
⦁ A total of 640 people voted in an election. The circle graph shows the results. ⦁ How many people voted for Goron? Show your w
Bezzdna [24]

Circle graphs or pie charts are used to represent data in percentages or proportions

  • 192 voted for Goron
  • 288 voted for Smith or Fishman

<h3>People that voted for Goron</h3>

The total number of votes is given as:

Total = 640

The circle chart is not given.

So, we make use of an assumed value

Assume 30% voted for Goron

The number of people would be:

Goron = 30% * 640

Evaluate

Goron = 192

Hence, 192 voted for Goron using the assumed value

<h3>People that voted for Smith or Fishman</h3>

Assume 45% voted for Smith or Fishman

The number of people would be:

Smith or Fishman = 45% * 640

Evaluate

Smith or Fishman = 288

Hence, 288 voted for Smith or Fishman using the assumed value

Read more about circle graphs at:

brainly.com/question/24461724

8 0
3 years ago
A travel website sells tickets to a city for two airlines. Among those buying tickets, 20% fly airline A, and 80% fly airline B.
Naddika [18.5K]

Answer:

The expected revenue of an airline ticket sold by this travel website is $408

Step-by-step explanation:

For the revenues per ticket we have;

airline A; 600

airline B; 360

For the probability of choosing the airlines we have;

airline A; 20% = 0.2

airline B; 80% = 0.8

Therefore, the expected revenue of an airline ticket sold by this travel website is;

600(0.2) + 360(0.8) = 408

Therefore, the expected revenue of an airline ticket sold by this travel website is $408

7 0
3 years ago
A tower is 105' tall. it casts a shadow 33' long. what is the angle of depression?
KiRa [710]
Tan(x)= 33/105

x = arctan(33/105)

x = 17.44718842 degrees.
7 0
2 years ago
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