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marshall27 [118]
3 years ago
6

What's the answer plz help?

Mathematics
1 answer:
UNO [17]3 years ago
6 0
I hope this helps you

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Diagram of x+3 and of 2x when x is 2
Naya [18.7K]

Answer:

5 and 4

Step-by-step explanation:

So if, x equals 2 then all you do is turn the x into a 2.

So you rewrite the equation into,

2 + 3 and 2 x 2,

Which would be 5 and 4

Hope this helps!

7 0
3 years ago
There is a 15% it will rain on both Saturday and Sunday. There is a 60% chance of rain on Saturday. What is the chance of
Artemon [7]

Answer:

25%

Step-by-step explanation:

This question is about conditional probability. Let's say that the probability of raining on Saturday is X=true and the probability of raining on Sunday is Y=true. There is a 15% it will rain on both Saturday and Sunday, to put into the equation it will be:

P(X= true ∩ Y = true) = P(X = true) * P(Y = true)= 0.15

There is a 60% chance of rain on Saturday, mean the  equation is

P(X = true) = 0.6

The question is asking for the chance of rain on Sunday or P(Y = true). If we substitute the second equation to first, it will be:

P(X = true) * P(Y = true)= 0.15

0.6* P(Y = true)= 0.15

P(Y = true)= 0.15/0.6

P(Y = true)= 0.25 = 25%

5 0
3 years ago
What is the perimeter of a triangle with sides the following lengths: 3a + 2c,5c + 9 and 5a - 6. Simplify the expression.
Svetach [21]

Answer:

8a+7c-3

Step-by-step explanation:

8 0
3 years ago
Please show your work! :)))
Naddika [18.5K]

Answer:

-8 3/4

Step-by-step explanation:

1. Simplify it.

15 - 24 + 1 divided by 4

2. Divide.

15 - 24 + 1/4

3. Add and subtract.

-9 + 1/4

-8 3/4

3 0
3 years ago
PERE
Verdich [7]

Answers:

  • A) Definition of right angles
  • B) Substitution
  • C) Definition of congruence

=========================================

Explanation:

  • A) The term "right angle" is another way of saying "90 degree angle". This is a definition. Think of a definition in a dictionary.
  • B) The substitution property allows us to replace one thing for another, as long as the two things are equal. The transitive property works as a similar idea.
  • C) If two angles have the same measure, then they are congruent. This is the definition of congruence (or one form of it).
5 0
3 years ago
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