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lara31 [8.8K]
3 years ago
13

If the test for a disease is accurate 55% of the time how often will it come back negative if a patient has the disease?

Mathematics
2 answers:
bulgar [2K]3 years ago
6 0

The answer is "A. 45% of the time".

Effectus [21]3 years ago
3 0
The answer is A. 45% of the time.
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If the population decreases with a constant rate of change and the decrease is 7% in the first year, what will the town's popula
yuradex [85]
What is the starting population? 
3 0
3 years ago
Find the slope and y-intercept of the line that is parallel to y = -x - 3 and passes through the point (3, -2)
motikmotik
Use point slope formula y-y1=m(x-x1)
You are told that y=-x+3. This equation is of the form y=mx+b. Where m=-1. m is the slope. And you have a point (x1,y1) that is (3,-2). With all of this in mind, you then plug all of these details into the point slope formula y-y1=m(x-x1)

In point slope form, you have the following:


y-(-2)=-1(x-3).

To turn this into slope intercept form, simplify y-(-2) to get y+2 and distribute in the -1 to get:

y+2=-x+3

Subtract 2 from both sides to get

y=-x+1

In slope intercept form, the answer is
y=-x+1 and in point slope form, the answer is y+2=-x+3

Hope this helps!!!

3 0
3 years ago
The figure is made up of a cylinder, a cone, and a half sphere. The radius of the half sphere is 3 inches. What is the volume of
guajiro [1.7K]

Given.

Radius of the Half sphere is 3 inches.

From the figure;

Radius of half sphere= Radius of cylinder= Radius of cone=3inches

Height of cone= 4inches.

Height of cylinder=6inches.

Volume of cone=(πr²h)/3

=(π3²×4)/3

=(12π) inch³

volume of cylinder= πr²h=π3²6=54π inch³

Volume of half sphere= (4/3) π r³=π(4×3³)/3 (1/2)=π×4×9/2=18π inch³

Total area of Composite figure=(12π +54π +18π) inch³

=84π inch³

=(84)× 22/7inch³

=12×22 inch³

=264inch³

Hope it helps...

Regards;

Leukonov/Olegion.

6 0
4 years ago
Read 2 more answers
If you save up $100 every 2 weeks, how much money would you have in a year ?
Pachacha [2.7K]

alr! so we know that there are around 52 weeks in a year (not counting leap years). and you save up 100 bucks every 2 weeks. then to find the answer, we do...

100(52/2)

100(26)

= $2600

youre welcome!

8 0
3 years ago
Find the mean of each of these set of numbers <br> a. 5,3,4,8 b. 7,5,6,5,7 c. 15,12,10,12,11
Svetllana [295]
The correct answers are
A) 5
B) 6
C) 12
6 0
3 years ago
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