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ANTONII [103]
4 years ago
10

a researcher states that bone density in women is negatively associated with age. what does this mean

Mathematics
1 answer:
worty [1.4K]4 years ago
7 0
<span>it means that as women age, their bone density decreases. </span>
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Find the slope. (4, 10) and (-2,-5)​
marta [7]

Answer:

Slope in fraction form = 5/2

Slope in decimal form = 2.5

========================================================

Work Shown:

m = (y2-y1)/(x2-x1)

m = (-5-10)/(-2-4)

m = (-15)/(-6)

m = (-3*5)/(-3*2)

m = 5/2 slope in fraction form

m = 2.5 slope in decimal form

-----------------

Explanation:

The first step is the slope formula where (x1,y1) and (x2,y2) are the two points the line goes through.

I used (x1,y1) = (4,10) and (x2,y2) = (-2,-5)

The slope formula basically says "subtract the y values, then subtract the x values in the same order. Then divide the two differences".

Or you can think of it as

slope = rise/run

rise = y2-y1 = change in y

run = x2-x1 = change in x

7 0
3 years ago
Liz buys 4 pairs of jeans the jeans are $35 each how much money did liz spend?
krok68 [10]
The jeans are 35 each and she bought 4 of them

So the equation is 35(4) = c
140
The cost of 4 jeans are $140 dollars.
4 0
3 years ago
I really need help with this one please
natka813 [3]

The distance from the sun is option 2 5.59 astronomical units.

Step-by-step explanation:

Step 1; To solve the question we need two variables. P which represents the number of years a planet takes to complete a revolution around the Sun. This is given as 13.2 years in the question so P = 13.2 years. The other variable is the distance between the planet and the sun in astronomical units. We need to determine the value of this using the given equation.

Step 2; So we have to calculate the value of 'a' in Kepler's equation. But the exponential power \frac{3}{2} is on the variable we need to find so we multiply both the sides by an exponential power of \frac{2}{3} to be able to calculate 'a'.

P =  a^{\frac{3}{2} }, P^{\frac{2}{3} } = a^{\frac{3}{2}*\frac{2}{3}  },  P^{\frac{2}{3} } = a, 13.2^{\frac{2}{3} } = a = 5.58533 astronomical units.

Rounding it over to nearest hundredth we get 5.59 astronomical units.

6 0
4 years ago
I’m stuck on this question
Solnce55 [7]

Answer:

y = -2x + 9

Step-by-step explanation:

The general shape of the equation is y = ax + b, you just have to find a and b.

b is simple, it is the y coordinate where the line crosses the y axis, i.e., b=9.

a is the slope of the line. This is the change in y when you take one step to the right. The change is -2.

Hence y = -2x + 9

5 0
2 years ago
Read 2 more answers
6 diviided by 27 and 7 divided by 50
Elan Coil [88]

Answer:

the first one is 0.2222222222... the second is 0.14

3 0
2 years ago
Read 2 more answers
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