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defon
3 years ago
13

How do I use 7,6,5,3 to make 75

Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0


(7+5) x 6 +3

or 3+ (7+5) x 6


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I will give brainliest to anyone who gives me a correct answer
Pachacha [2.7K]

Answer:

C

Step-by-step explanation:

Let's check the first condition [y=110, t=0] for all the choices and eliminate:

A)

y = 110e^{7t} - 80\\y = 110e^{0} - 80\\y=30

NO

B)

y = 110 - 80e^{-5t}\\y = 110 - 80e^{0}\\y=30

NO

C)

y = 30 + 80e^{-2t}\\y = 30 + 80e^{0}\\y=110

YES

D)

y = 110 - 80e^{2t}\\y = 110 - 80e^{0}\\y=30

NO

E)

y = 30 - 80e^{-4t}\\y = 30 - 80e^{0}\\y=-50

NO

Note: e^0 = 1

Only C is satisfied. But let's make sure the 2nd condition applies as well.

y = 30 + 80e^{-2t}\\y = 30 + 80e^{-\infty}\\y=30+\frac{80}{e^{\infty}}\\y>>30

Hence, y approaches 30 as t goes to infinity. 2nd condition is satisfied as well.

Answer is C

4 0
4 years ago
The elevation of Mount Everest is 29028 feet . The elevation of the dead sea is - 485 feet. What is th difference in the elevati
LUCKY_DIMON [66]
Difference = subtract
29028-(-485) if you subtract a negative the sign changes to positive and the subtraction changes to addition so ur answer is 29513
4 0
4 years ago
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Divide 48 in the ratio of 2 : 4
dimaraw [331]
The correct answer is 8

7 0
3 years ago
The price per night for a hotel room is different at three different hotels. Hotel Nights Price (in dollars) A AA 3 33 192 19219
DerKrebs [107]

Answer:

Hotel B is the least expensive

Step-by-step explanation:

Given

See attachment for clear details

Required

The least expensive

To do this, we simply divide the total cost by the number of nights to get the unit price

i.e.

Unit = \frac{Price}{Nights}

Hotel A

Nights = 3\\Price= 192

Unit = \frac{192}{3}

Unit = \$64 per night

Hotel B

Nights = 5\\Price= 300

Unit = \frac{300}{5}

Unit = \$60 per night

Hotel C

Nights = 7\\Price= 455

Unit = \frac{455}{7}

Unit = \$65 per night

From the calculations above;

<em>Hotel B is the least expensive because 60 is less than 64 and 65</em>

5 0
3 years ago
What percent of 63 is 7?
Tju [1.3M]
4.41 is the answer, im sure of it. 
4 0
3 years ago
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