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Katena32 [7]
3 years ago
15

If you currently swim 5 laps a day, 3 days a week, and you want to add on 2 laps per day that you swim. Write an equation in fun

ction form that gives the total number of laps as a function of the number of times you have been swimming since you started adding laps. Then, find the total number of laps you swim in 8 weeks if you swim 3 times a week.
Mathematics
1 answer:
weeeeeb [17]3 years ago
6 0
Two more laps per swimming day make 7 laps. If y is total laps and the number of swimming days, y=f(x)=7x.
The value of x=8×3=24 swimming days. Therefore y=7×24=168 laps.
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5 3/2 x 3 6/7 you have 10 point to do the answer
pogonyaev

Step-by-step explanation:

Conversion a mixed number 5 3/2

to an improper fraction: 5 3/2 = 5 3/2

= 5 · 2 + 3/2

= 10 + 3/2

= 13/2

To find a new numerator:

a) Multiply the whole number 5 by the denominator 2. Whole number 5 equally 5 * 2/2

= 10/2

b) Add the answer from previous step 10 to the numerator 3. New numerator is 10 + 3 = 13

c) Write a previous answer (new numerator 13) over the denominator 2.

Five and three halfs is thirteen halfs

Conversion a mixed number 3 6/7

to an improper fraction: 3 6/7 = 3 6/7

improper fraction: 3 6/7 = 3 6/7

3 · 7 + 6/7 = 21 + 6/7 =27/7

To find a new numerator:

a) Multiply the whole number 3 by the denominator 7. Whole number 3 equally 3 * 7/7

= 21/7

b) Add the answer from previous step 21 to the numerator 6. New numerator is 21 + 6 = 27

c) Write a previous answer (new numerator 27) over the denominator 7.

Three and six sevenths is twenty-seven sevenths

Multiple:

13/2 * 27/7 = 13/2 · 27/7 = 351/14

3 0
2 years ago
Find the area of the triangle with a= 18.8, b= 11.6, c= 13.8. Round to the nearest tenth.
Anika [276]

Answer:

not rounded is 44.2, rouned to the nearest tenth is 40

Step-by-step explanation:

3 0
3 years ago
Let f(x)=-2x+7 and g(x)=x^2+9 find f(5)+g(5)
trapecia [35]
Substitute 5 into both the equations...
-2 (5)+7=-3
5^2+9=34

-3+34=31
hope this helpsss
7 0
3 years ago
2.25k - 20 = 6.5k + 14<br><br><br> plsssssssssssss
Pani-rosa [81]

Answer:

k=-8

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

3 0
3 years ago
Read 2 more answers
X y
mario62 [17]
Let's prove each one:
A) y=x-3
x=0→y=0-3→y=-3=-3 ok
x=2→y=2-3→y=-1 different to 5 No

B) y=x+3
x=0→y=0+3→y=3 different to -3 No

C) y=4x-3
x=0→y=4(0)-3=0-3→y=-3=-3 ok
x=2→y=4(2)-3=8-3→y=5=5 ok
x=3→y=4(3)-3=12-3→y=9=9 ok
x=4→y=4(4)-3=16-3→y=13=13 ok

D) y=4x+3
x=0→y=4(0)+3=0+3→y=3 different to -3 No

Answer: Option C) y=4x-3
8 0
3 years ago
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