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2 years ago

One day the temperature was 72.8 degrees F. The temperature dropped to -2.7 degrees. difference, please

Mathematics

2 answers:

djverab [1.8K]2 years ago

6 0

Answer:

the difference is 75.5

Step-by-step explanation:

konstantin123 [22]2 years ago

3 0

Answer: 77.5 degrees F

Step-by-step explanation:72.8 + 2.7 = 77.5oF

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Phoenix [80]

Answer:

Since i don't know what formula is mentioned. I just used the easiest way to solve :)

Step-by-step explanation:

$(3x^2 + 3)^3 = (3x^2)^3 + 3^3 + 3((3x^2)^2)(3) + 3(3x^2)(3^2)$

$= 27x^6 + 27 + 3(9x^4 \times 3) + 3(3x^2 \times 9)\\\\=27x^6 + 27 + 81x^4 + 81x^2\\\\=27x^6 + 81x^4 + 81x^2 + 27\\\\$

$\int\limits {(3x^2+3)^3} \, dx = \int\limits {27x^6 + 81x^4+81x^2 + 27} \, dx$

$= \frac{27}{7}x^7 + \frac{81}{5}x^5+\frac{81}{3}x^3 + 27x +C\\\\= \frac{27}{7}x^7 + \frac{81}{5}x^5+27x^3 + 27x +C\\\\$

8 0

2 years ago

Adam put $100 in a savings account. After 10 years, he had $1649 in the account. What rate of interest did he earn? Use the form

Rina8888 [55]

Answer:

Step-by-step explanation: C. 28%

$A = Pe^{rt}$

$1649 = 100 \cdot e^{10r}\\16.49 = e^{10r}\\\ln{16.49} = 10r\\r = \frac{\ln{16.49}}{10} = 0.28\\$

7 0

1 year ago

Several people were polled regarding their favorite type of dessert. They were asked to choose one of the following: ice cream,

Margarita [4]

Well first you would create a percent pororpotion

8 0

2 years ago

Read 2 more answers

Your friend is 1.2 times taller than you. Your friend is 64.5 inches tall. How tall are you?

Andru [333]

You are X, if your friend is 1.2 times taller than you= 1.2X
That's why 64.5=1.2X
X=53.75
But you should write 53.8 inches tall. Because there is one number after point.
As a result, you are 53.8 inches tall

6 0

2 years ago

Find the measure of one interior angle for the following regular polygon

kipiarov [429]

Answer:

144 degrees

Step-by-step explanation:

We can use the formula (n-2)(180), where n = number of sides, to find the sum of all the interior angles in the decagon. Since a decagon has 10 sides:

(n-2)(180) = ?

(10-2)(180) = ?

(8)(180) = 1440.

Now, to find one interior angle in the decagon, divide 1440 by the number sides in our polygon (10).

1,440/10 = 144

= 144 degrees

7 0

2 years ago