3 years ago

A weak acid base pair that regulates pH is called a ?

Mathematics

1 answer:

boyakko [2]3 years ago

8 0

i believe that it is the lungs!

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Pick one marble out of a bag. Then, without replacing the marble, pick another marble. **Hint: Is order important here? ** **

WARRIOR [948]

Answer:

the answer is option d)

and order doesn't matter here

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3 years ago

I'm really bad at math so I need some help explaining.

sergiy2304 [10]

Please let me know if there’s something you don’t understand. Hope this helps!

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2 years ago

A patient with end-stage kidney disease has nine family members who are potential kidney donors. How many possible orders are th

eduard

Answer: 504

Step-by-step explanation:

When we select r things from n things in a order , we use permutations.

Formula for permutation: $^nP_r=\dfrac{n!}{(n-r)!}$

Given : The number of family members who are potential kidney donors. = 9

Number of people needed to be selected for best match, a second-best match, and a third-best match ( in an order)=3

Then, the number of possible orders are = $^9P_3=\dfrac{9!}{(9-3)!}$

$=\dfrac{9\times8\times7\times6!}{6!}=504$

Hence, the number of possible orders 504.

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3 years ago

Decimal and integers are both classified as ______ numbers

Evgesh-ka [11]

Answer:whole numbers

Step-by-step explanation:

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3 years ago

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Suppose f(x) =x^2 and g (x) = 2x -3 what is the value of g (4)+f(-3)

Alona [7]

Answer:

Step-by-step explanation:

u just have to plug in the numbers

f(-3)= -3^2

f(-3)= 9

g(4)=2(4)-3

g(4)=5

9+5=14

I hope I'm right and hope I helped:)

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3 years ago