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Ilia_Sergeevich [38]
3 years ago
12

Is negative 2.34 rational or irrational?

Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0
It is a rational number.
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Hat value is needed to fill in the blank to make this trinomial a perfect square trinomial. 4x2 + __x + 81?
Doss [256]
36, because the square root of 4 is 2 and the square root of 81 is 9. You multiply those and then double it to get 36.
4 0
3 years ago
36x^3a+45xa^2=9xa( ) complete the statement.
Dafna1 [17]
9xa is the common factor.

You can complete the statement by dividing the two terms of the expression of the left side by 9xa, and you will get:

36x^3a + 45xa^2 = 9xa ( 4x^2 + 5a)
6 0
4 years ago
Three coins are tossed in the air, one at a time. What is the probability that the third coin will be heads?
marishachu [46]

Answer:

1/2

Step-by-step explanation:

We only care about the third coin

we could get heads or tails on the third flip

P (third coin will be heads) = outcome heads / total

                                            =1/2

8 0
3 years ago
Read 2 more answers
(x <br> 3<br> +y <br> 3<br> )(xy <br> 4<br> +7)
KonstantinChe [14]

Answer:

question is not proper

Step-by-step explanation:

question is

5 0
3 years ago
∠1 ​ and ∠2 are supplementary. ∠1=124°∠2=(2x+4)° Select from the drop down menu to correctly answer the question.
Alex_Xolod [135]
Remark
Supplementary angles add up to 180o. 

Givens
<1 = 124
<2 = 2x + 4

I imagine you are looking for either x or <2. 

Equation
<1 + <2 = 180          Substitute the givens
124 + 2x + 4 = 180  Collect like terms on the left.
128 + 2x = 180         Subtract 128 from both sides
2x = 180 - 128          Collect like terms on the right   
2x = 52                     divide by 2
x = 52/2
x = 26 <<<<<<<<< answer

<1 = 124
<2 = 2x + 4 = 2*26 + 4
<2 = 52 + 4
<2 = 56  <<<<<<<< answer

We need choices if you want an exact answer.

3 0
4 years ago
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