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konstantin123 [22]
2 years ago
12

In one study of 300 coffee drinkers and 150 non coffee drinkers, it was found that only 67 of the coffee drinkers had high blood

pressure. The newspaper reported the published study and included the sentence, "You are 1.3 times more likely to have high blood pressure if you don’t drink coffee compared to if you do drink coffee." How many of the non coffee drinkers had high blood pressure?
Mathematics
1 answer:
Katarina [22]2 years ago
4 0
تبي الصراحه معرف الحل بس التطبيق ذا يخليني اجاوب على سؤالين عشان يخليني اسأل اسفه ماعرفت الإجابة بس يله حبتين ل عيون تشان.
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Find the equation of the line shown.
Ymorist [56]

Answer:

y= -2x+9

Step-by-step explanation:

The equation will be written this way :

y= m*x+c

  • m is the slope
  • c is a constant
  • m =( f(4)-f(2))/(4-2)=(1-5)/2= -4/2 = -2
  • y = -2x+c
  • replace x and y by the coordinates of a point to get c
  • 1= -2*4+c
  • c = 9

y = -2x+9

3 0
3 years ago
Read 2 more answers
PLEASE HELP
valina [46]

Answer:

Step-by-step explanation:

You have 3 unknowns: a, b, and c.  It's our job to find them algebraically.  I'm going to start with the point where x = 0 and y = 7.  You'll see why in a minute.  Filling in the standard form of a quadratic

y=ax^2+bx+c  using (0, 7):

7=a(0)^2+b(0)+c  gives you that c = 7.  We will use that value now when we write the next 2 equations.  Now the point (-2, 19):

19=a(-2)^2+b(-2)+7  and

19=4a-2b+7 so

12 = 4a - 2b

Now for the next point (-1, 12):

12=a(-1)^2+b(-1)+7  and

12=a-b+7  so

5 = a - b

Now we have a system of equations (the 2 bold font equations) that we will solve by elimination:

 12  =  4a  -  2b

  5  =   a   -    b

Multiply the bottom equation by -4 to get a new system:

 12  =  4a  -  2b

-20  = -4a  +  4b

Add those together to get rid of the a terms and end up with

-8 = 2b so

b = -4

Now we can sub in -4 for b to solve for a.  I'm using the second bold type equation to do this:

5 = a - (-4) and

5 = a + 4 so

a = 1 and the equation for the quadratic function is

y=x^2-4x+7

7 0
3 years ago
How to find a slope of a line on a graph
igomit [66]

Answer:

change of y/ change of x

Step-by-step explanation:

5 0
3 years ago
Which of the following indicates that AQRS and ATUV are similar?
anyanavicka [17]
B and c are similar to eachother
8 0
2 years ago
A rectangular garden has length and width as given by the expressions below.
anyanavicka [17]

Answer:

(8 - 42x - 56y -12xy) is you're answer.

Step-by-step explanation:

6 0
3 years ago
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