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marta [7]
3 years ago
13

Misae says that a step graph does not represent a function because the graph is not connected. Alex says that it does represent

a function because there is only one y for every x. Who is correct and why?
Mathematics
2 answers:
madreJ [45]3 years ago
8 0

Answer:

Alex is correct

Step-by-step explanation:


MrRa [10]3 years ago
6 0
Answer:  "Alex" is correct, because Alex's explanation:
_______________________________________________________
<span>"because there is only one y for every x" ; 
_______________________________________________________
is the definition of a "function" .
_______________________________________________________</span>
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Tony wants to purchase a baseball glove for $14.96, a baseball bat for $19.87, and a baseball for $5.37. He figured out that he
Vanyuwa [196]
Reasonable because the three items altogether cost about $40
8 0
3 years ago
Marilyn purchased a book that had a regular price of $19. She used a coupon that reduced the regular price by 15%. Sales tax for
Alika [10]

Answer:

2.80

Step-by-step explanation:

The discount is the regular price times the discount

discount = 19 *15%

discount = 2.85

The new price is the regular price minus the discount

new price = 19-2.85

                 =16.15

Now she has to pay the sales tax

tax = new price * tax rate

tax= 16.15 * 6.5%

     = 16.15 *.065

       =1.05

We add the tax to the new price to get the final price

final price = new price+tax

                = 16.15 +1.05

                =17.20

She pays with a 20 dollar bill

Change = payment - final price

              =20.00 - 17.20

              = 2.80

4 0
3 years ago
HIGH POINT REWARD
Yuki888 [10]
Total number of seniors = 55 + 70 = 125
Number of seniors who plan to go to college = 55

Percentage of seniors who plan to go to college = 55/125 x 100 = 44%

Answer: 44%
3 0
3 years ago
Determine the quotient of 1 and 1 over 3 divided by 3 over 5.
natita [175]
1 1/3 divided by 3/5= 2 2/9. Hope this helps :)
4 0
3 years ago
Pls answer this i need help
Vitek1552 [10]

Step-by-step explanation:

your don't see what went wrong ?

Tyrell worked on

16 - 2(4 + 3x)

what do brackets mean ? they mean that this operation has to be done before everything else in the expression.

as this contains a variable, we cannot fully calculate it, true, but we need to keep this in mind and always treat the content of the brackets as one package.

so, whatever I do from the outside with one part of that package, I have to do also with all the other parts of that package.

so, the multiplication with -2 has to happen with both : 4 and 3x. not just with 4.

therefore, the correct simplification looks like

16 - 8 - 6x

8 - 6x or -6x + 8

Amelia multiplied correctly, but then made a mistake summing things up

10x - 3(4x + 1)

10x - 12x - 3

10x - 12x = -2x

I can't mix the pure constant -3 into the factors of x. that would be like the famous mixing of apples and oranges.

so, the result is

-2x - 3

6 0
3 years ago
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