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Hunter-Best [27]
3 years ago
15

Kathy swam 3 laps in the pool this week. She must swim more than 12 laps each month. How many more laps must Kathy swim to meet

her goal
Mathematics
1 answer:
ra1l [238]3 years ago
8 0

Answer:

9

Step-by-step explanation:

12-3=9

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Use algebraic means to show that x^2 + y^2 = 8 is not a function. Explain your process.
11Alexandr11 [23.1K]

Answer:

For a single value of x function has more than one corresponding value of y which satisfies the equation.

Step-by-step explanation:

Function: A relationship between a set of inputs and a set of possible outputs, where exactly one output is associated with each input.

It means for an equation to represent a function any single value of  x there should be only one corresponding value of  y which satisfies the equation.

Now consider the given equation.

x^2 + y^2 = 8

If we put x=0 then we get two value of y i.e \sqrt8 and -\sqrt8 which satisfy the equation  and therefore the equation is not a function.

5 0
3 years ago
In shop a crunchy peanut butter costs $325 for 250g
FinnZ [79.3K]

Answer:

shop b

Step-by-step explanation:

We can find for example how much 100 grams of peanut butter cost in each shop using a proportion

shop A 100 : 250 = x : 325

x = (325 * 100) / 250 = $130

shop B  100 : 340 = x : 408

x = (408 * 100)/ 340 = $120

We discovered that shop B is cheaper

5 0
3 years ago
Which statement best describes the relationship between storage space and number of music files?
Rina8888 [55]

Answer:

As the number of files increases, the storage space used increases.

7 0
3 years ago
Simplify 12 1/2 - 3 3/4
Klio2033 [76]

Answer:

375/8

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
If Tan is 3/4 what is sin?
Pani-rosa [81]

Answer:

tanA=34⟹sinA=332+42−−−−−−√=35  

Now, we have

sinAcosA=tanA  

⟹3/5cosA=tanA  

⟹cosA=13×54×3  

⟹cosA=45  

⟹cosAsinA=4×35×5=1225  

Step-by-step explanation:

7 0
3 years ago
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