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marta [7]
2 years ago
15

(please help!) Add −1.25+2.5 Plot the first addend and the sum on the number.

Mathematics
2 answers:
AVprozaik [17]2 years ago
3 0

Answer:

the answer of this question is 1.25

jenyasd209 [6]2 years ago
3 0
-1.25+2.5 = 1.25.
___
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What is the sum of the first five prime numbers? A 13 B 26 C 28 D 29
slavikrds [6]
The first prime numbers are 1 and 3 ,5,7,9 Added together the total is 25
6 0
2 years ago
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If a denotes some​ event, what does upper a overbara ​denote? if ​p(a)equals=0.9930.993​, what is the value of ​p(upper a overba
masya89 [10]
P(A) = 0.993 is the probability of event A
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P(A) is the probability of not A (note that I am trying to place a bar over A. I hope you can see it, else it is because the editor did not show it as I intended)

Then, use the fact that the probability of A plus the probability not A is equal to 1:
                    _
=> P(A) + P(A) = 1
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=> P(A) = 1 - P(A) = 1 - 0.993 = 0.007

So, the answers are:
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1) P(A) = 0.07
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2) Yes, A is unlikely because its probability is very low.
5 0
3 years ago
What is x-7=-16 and witch property of equality did you use to solve x
elena-14-01-66 [18.8K]

Answer: x = -9/ addition property of equality

Explanation: In this problem, we're given that x - 7 = -16 and we're asked to solve the equation and explain which equality we used.

The first statement we have will be

the given statement which is x - 7 = -16.

Now, we just solve the equation.

Our first and only step will be to add 7 to both sides.

Then, we find that x = -9.

The property we used here was the addition property of equality.

This property tells us that we can add the same quantity,

or equal quantities, to both sides of an equation.

5 0
3 years ago
The 200th term of the arithmetic progression 10 97,94,91,.............is​
azamat

Answer:

-500

Step-by-step explanation:

Given sequence;

    97, 94, 91 ......

Unknown;

The 200th term of the sequence;

Solution:

Since we were given an arithmetic progression, we need to first find the common difference;

 Common difference  = second term - first term

                                     = 94 - 97  

                                     = -3

To find the 200th term, we use the expression below;

     Sn  = a + (n-1)d

   a is the first term

    n is the nth term

   d is the common difference

 S₂₀₀ = 97 + (200 - 1 ) x -3 = -500

5 0
3 years ago
An igneous rock may change into which of the following?
Sergio [31]
Since you don't have b and c as a answer choice cause those are the answer
4 0
3 years ago
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