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3 years ago

Will give me a 20% discount if I spend over $50 my bill is $75.What is my final bill after the savings

Mathematics

2 answers:

Andrews [41]3 years ago

7 0

Hey there,
$75 is above $50
Final Bill = $75 - (20% x $75)
= $75 - $15
= $ 60

Hope this helps :))

~Top♥

ollegr [7]3 years ago

6 0

Answer:

$60 dollarssssssssssssss

Step-by-step explanation:

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The volume Vcm3 of fluid in a container at time t seconds can be modelled using the differential system dVdt=2V−15. If V=15cm3 a

cupoosta [38]

The ODE is separable, as

dV/dt = 2V - 15 → dV/(2V - 15) = dt

Integrate both sides to get

1/2 ln|2V - 15| = t + C

(To compute integral, consider substituting U = 2V - 15.)

The volume is V = 15 cm³ when t = 0, so that

1/2 ln(15) = C

and so the volume at any time t is such that

1/2 ln|2V - 15| = t + 1/2 ln(15)

Solve for V :

ln|2V - 15| = 2t + ln(15)

2V - 15 = exp(2t + ln(15))

2V - 15 = exp(2t) exp(ln(15))

2V - 15 = 15 exp(2t)

2V = 15 + 15 exp(2t)

V = 15/2 (1 + exp(2t))

(where exp(x) = eˣ )

Then the volume of fluid after t = 2 s is

V = 15/2 (1 + exp(4)) ≈ 417 cm³

7 0

3 years ago

Use 3.14 for TT. Round answer to the nearest tenth if necessary.

klasskru [66]

Answer:

No, he will not have enough rice, because the glass cylinder is 68 $in^{3}$ smaller than the cardboard one

Step-by-step explanation:

5 0

4 years ago

who will give my answer I will mark as a brand list and follow in your back please give all the answer of the question desert 2

VashaNatasha [74]

Answer:

Question 2. 12% of 650 = 78

Step-by-step explanation:

100% = 1 in decimal form.

This is because finding 100% of something is the same as multiplying it by 1:

E.g. 100% of 10=10, 10x1 = 10

Therefore to find a percentage of something, we simply need to multiply it by the decimal form of that percentage. For example, if we were finding 50% of 10 (half), 50% in decimal form is 0.5, 10x0.5 = 5

The percentage here is 12%, we can find the decimal form by dividing it by 100, 12/100 = 0.12

So, in order to find 12% of 650, we just need to multiply 650 by 0.12:

650x0.12 = 78

12% of 650 = 78

Hope this helped!

5 0

3 years ago

What percent of 42 is 32

Radda [10]

Answer:

76%

Step-by-step explanation:

In order to find the answer to this question you must divide the output of dividing 42 and 32 by 100 to receive the answer.

42/32

42/32=1.3125

100=1.3125*x

100/1.3125=x

76.1904761905=x

x=76.1904761905

Hope this helps.

8 0

3 years ago

Maria, an experienced shipping clerk, can fill a certain order in 11 hours. Felipe, a new clerk, needs 13 hours to do the

ch4aika [34]

Answer:Maria rate = 1/13 job/hr

-----

Felipe rate = 1/16 job/hr

----

Together rate = 1/x job/h

Step-by-step explanation: rate + rate = Together rate

1/13 + 1/16 = 1/x

----

16x + 13x = 13*16

------

29x = 13*16

x = 7.17 hrs = 7 hr 10 min 12 seconds (time to do the job together)

-------------

Cheers,

Rubberduck100000.

8 0

3 years ago