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ycow [4]
3 years ago
6

X²-6x+13=0 X^2+x+2=0

Mathematics
1 answer:
Jet001 [13]3 years ago
6 0

Answer:x

3 + 2 i , 3 − 2 i (The first one)

X=√−x−2X=−√−x−2(The second one)

Step-by-step explanation:

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a student scored 78 and 95 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz scor
kicyunya [14]
He gets an average between 80 and 90
 It is between these two values
 So it could be 80 or higher but it must be 90 or belowe so it can be equal to 80 or above and it can be equal to 90 or below
 This gives two inequalities 80 ≤ x and x ≤ 90
 This can be written as 1 inequality 80 ≤ x ≤ 90
 ≤ this means less than or equal to the one that points the opposite way would be greater than or equal to think of it as a number line pointing right is positive meaning the numbers get bigger, getting greater pointing left is getting smaller so it gets less and less 
5 0
3 years ago
In a conjunction, / is true when both / and / are _____; otherwise, / is _____. A. true . . . true B. true . . . false C. false
elena-14-01-66 [18.8K]
The answer to this question would be OPTION B.In a conjunction, / is true when both / and / are TRUE; otherwise, / is FALSE.

A conjunction refers to a compound statement, developed by combining two statement often through the use of the word 'AND'.  For example, the two statements, 'Roses are Red' (statement p) .... 'Violets are Blue' (statement q), can be combined to form a conjunction that reads 'Roses are Red and Violets are Blue.'  When it comes to conjunctions, it is or equivalent to the intersection of the two sets of statements (p and q → p ∩ q) which therefore means that in order for the conjunction to be true, both statements must be true, otherwise, the conjunction is false.

Attached below is a truth table that seeks to further explain the point (note: ^ represent the conjunction).

6 0
3 years ago
Read 2 more answers
A fast-food restaurant sold 54 burgers with cheese. If the ratio of burgers sold with cheese compared to without cheese was 9: 5
alex41 [277]

Answer:

Step-by-step explanation:

We can write an relationship for this as:

3

:

2

→

24

:

b

Where  

b

is the number of burgers sold without cheese.

We can rewrite the relationship as an equation and solve for  

b

:

3

2

=

24

b

2

3

=

b

24

24

×

2

3

=

24

×

b

24

48

3

=

24

×

b

24

16

=

b

b

=

16

The restaurant would of sold  

16

burgers without cheese with the information provided in the problem.

4 0
3 years ago
Help with math pretty please!
alex41 [277]
<span>1. 
A.There are no participants who won exceptionally large or small number of matches.

2. 
C. 54%

</span>
3 0
4 years ago
PLEASE HELP !!!!!!!!!!!!
erica [24]

Answer:

D

Step-by-step explanation:

I'm only guessing it's D because from my understanding it is the most correct to myself.

<h3>Reasoning: </h3>

From point A to B it is 5

And from point B to C it is 6

So using normal math it can not be answers A or B.

Nor do I see it being C because, where did the 7 come from?

In the End, the answer must be D!

p.s. please correct me if I am incorrect, this is just the answer from my understanding

5 0
3 years ago
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