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mezya [45]
3 years ago
7

Describe methods you can use to show a proportional relationship between two variables, x and y. For each method, explain how yo

u can find the unit rate and slope.
Mathematics
1 answer:
Alborosie3 years ago
8 0
Mx+b=y m is your slope which u can find by using two point see how far the x are and the y are then the y/x is your slope. Then he is your starting value so what y is when x= 0
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According to data from the state blood program, 40 percent of all individuals have group A blood. If six individuals give blood,
Serjik [45]

Answer: 0.27648

Step-by-step explanation:

Given : The proportion of all  individuals have group A blood : p=0.040

Total individuals give blood : n= 6

Let X be the number of individuals have group A blood.

Since all individual are independent of each other.

X\sim Bin(n=6, p=0.40)

Formula : P(X=x)=^nC_xp^x(1-p)^{n-x} , where n= sample size , p = probability of getting success in each trial.

The probability that exactly three of the individuals have group A blood. :

P(x=3)= ^6C_3(0.40)^3(1-0.4)^3\\\\= \dfrac{6!}{3!3!}\times(0.40)^3(0.60)^3\\\\=0.27648

The probability that exactly three of the individuals have group A blood. is 0.27648

8 0
3 years ago
The sum of a number and eight is equal to 14 what is the number
musickatia [10]

Answer:

the number is 6

Step-by-step explanation:

14-8=6

good luck!

3 0
3 years ago
Which function defines (g-f)(x)? <br><br><br><br><br><br> Plato
Ivanshal [37]

Answer:

C

Step-by-step explanation:

Attached Picture.......

5 0
2 years ago
Kitty has invested £5500 for 3 years in a savings account. She is paid 6% per annum compound interest. How much did she have in
Zielflug [23.3K]

The value of her investment at the end of 3 years is £10955.08

<h3>How to determine the value?</h3>

The given parameters are

  • Principal, P = £5000
  • Rate, r = 6%
  • Time, t = 3 years

The value is then calculated as:

Value = P * P(1 + r)^t

So, we have:

Value = 5000 + 5000 * (1 + 6%)^3

Evaluate the expression

Value = 10955.08

Hence, the value of her investment at the end of 3 years is £10955.08

Read more about compound interest at:

brainly.com/question/24924853

#SPJ1

5 0
2 years ago
HELP!
loris [4]
<h3>Answer: Choice C,  Ro, 270 </h3>

270 degree counterclockwise rotation around the origin

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

Check out the diagram below. In the diagram, I only focus on points A and A'.

We have A = (-3,4) move to A ' = (4, 3). We see the x and y coordinates swap places. Then the new second coordinate -3 becomes positive, or it has flipped sign. So the rule applied here is (x,y) \to (y,-x) which describes a 90 degree clockwise rotation; which is equivalent to a 270 degree counterclockwise rotation

The other points follow the same idea.

7 0
3 years ago
Read 2 more answers
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