MATHEMATICS HIGH SCHOOL

The inverse of a function is a set of ordered-pair numbers in which the range set is interchanged with the domain set. a. True
b. False

Answers

Answer 1
Answer: true, because it is reflected across the y=x line
Answer 2
Answer:

Answer:

True

Step-by-step explanation:

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How else can the ratio 4⁄5 be written? 

       A. .2   B. 5⁄4   C. 5:4   D. 4:5

Answers

Ratio 4/5 can be written as 4:5.

The correct option is D.

What is ratio?

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

Given,

Ratio = 4/5

: is another symbol of ratio

Thus, 4/5 can be written as 4:5.

Hence, 4:5 is equivalent to ratio 4/5.

Learn more about ratio here:

brainly.com/question/13419413

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(x)/(y) will be either x to y or x : y
so,
(4)/(5) will be 4 :5

Answer is: D. 4 : 5

Alison is selling and buying baseball cards online. She sells each card for $3.25 and buys each card for $5.50. If she sold 4 cards and bought 7 cards, did she end up making money or spending money and how much money did she spend or make

Answers

spends money, spends $25.50
She sold 13$ worth of cards and she bought 38.50$ worth of cards. She ended up spending more money than she made

Which is greater, five ones and eight tenths or fifty-eight tenths

Answers

both the fractions 5 ones and 8 tenths and 58/10 are equal

a cyclist covers a distance of 12 km at a speed of 8 km per hour calculate the time taken to cover this distance​

Answers

1.5 hours

To find how long it took for them to travel 12km, subtract 8 from 12. (4)

If it took them 1 hour to travel 8km and 4 is half of 8, then it would have took them 1 and a half hours to travel the 12km.

If you need a larger explanation, please let me know :)

Hope this helps!

Need anything else?

Question b, how would I find K

Answers

So if seven is 7, and its 7+k=blah blah blahAnd the first number there was is 7.5 so k+7=7.5 k is 0.5

Which elevation is farthest from sea level (0 feet)?220 m
-80 m
45 m
-120 m

Answers

That would be 220 meters.

Answer:

Step-by-step explanation:

220
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