Somebody please help this is due in a couple of hours :(

Mathematics

1 answer:

Luba_88 [7]3 years ago

4 0

Answer:

Step-by-step explanation:

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NEED HELP ASAP PLEASE!

Korolek [52]

Answer:

The answer to your question is the third option

Step-by-step explanation:

a) This first option is not correct because if a number is less or equal to zero does not affect in if it is a function or not.

b) It option is incorrect because each value of x has two values or y and the defition of function says that x must have only one y value.

c) This is the definition of function, it's correct

d) This option is wrong, is similar to the first option.

5 0

3 years ago

A farmer feeds a cow 9300 milligrams of an antibiotic. Every hour, 50% of the drug breaks down in the cow's body. How much will

hichkok12 [17]

9514 1404 393

Answer:

about 145.3 mg

Step-by-step explanation:

If half breaks down in the hour, then half remains. That is, each hour the amount remaining is multiplied by 1/2. The remainder after 6 hours is ...

(9300 mg)(1/2)^6 = 145.3125 gm

About 145.3 mg will be left after 6 hours.

6 0

3 years ago

What is the unit value the 3 in 432 ?

lara [203]

Answer:
It represent the tens of the number, therefore, it's unit value is 30

Explanation:
The place value chart is added in the attached image.

Checking this chart, we would find that:
first digit from the right is the units of the number
second digit from the right is the tens of the number
third digit from the right is the hundreds of the number

Comparing this with the nuber given, we would find that the 3 is in the tens position. Therefore, it unit value is 30.

Another way to answer this is by breaking the number given as follows:
432 = 400 + 30 + 2
We can note that the unit value of the 3 is 30

Hope this helps :)