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Trava [24]
2 years ago
9

Plzzzzzzzzzzzzzzz help what is 6+x÷3=13

Mathematics
2 answers:
Romashka [77]2 years ago
5 0
X=21 subtract 6 from both sides.
multiply 3 to cancle divede 3.
13-6=7.
7×3=21
21=x
saveliy_v [14]2 years ago
3 0

Answer:


Step-by-step explanation:


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Write (x+1)÷x-(y+1)÷y as a simplified fraction ​
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8 0
3 years ago
Read 2 more answers
As part of a drug trial, a survey was done to gather information about the participants' experiences with side effects. Here are
Paraphin [41]

The Venn diagram which represents the distribution of the participant in the drug trial is attached below. The Number of participants in the drug trial that has anxiety is 370

We can find the number of participants who has dizziness(D). Fatigue(F) and anxiety(A) can be calculated thus :

n(D) = n(D only) + (DnF only) + (DnA only) + (DnAnF)

271 = 36 + 86 + 23 + x

271 = 145 + x

x = 271 - 145

x = 126

  • n(DnAnF) = 126

<u>Number who has </u><u>atleast one of the three</u><u> side effects can be expressed thus</u> :

n(A only) + n(F only) + n(D only) + (DnF only) + (DnA only) + (DnAnF) + n(FnA only) = 585

36 + 23 + 62 + 86 + 126 + 93 + n(FnA) only = 585

  • n(FnA only) = 585 - 426 = 159

<u>Number of participants</u><u> who has </u><u>anxiety</u><u> can be calculated thus</u> :

n(DnAnF) + (DnA only) + n(FnA only) + n(A only)

126 + 23 + 159 + 62 = 370 participants

Therefore, 370 of the total participants has Anxiety.

Learn more : brainly.com/question/12570490

8 0
2 years ago
3
Rama09 [41]

Answer:

the answer to the problem is 4,15,8,3

8 0
2 years ago
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