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3 years ago

**The sum of a number and 7. divided by 3. is 2."

Mathematics

1 answer:

barxatty [35]3 years ago

6 0

Answer:

-1

Step-by-step explanation:

7+(-1)= 6

6/3 = 2

There are no other solutions I can find to it. It says sum but technically you can add a negative number.

Don´t listen to me if you think that I am wrong. But I hope this helps!!

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11. The exponential function given by H(t)=80,030.83(1.0481)t, where t is the number of years after 2010, can be used to pr

telo118 [61]

A function assigns the value of each element of one set to the other specific element of another set. The number of centenarians in the country in 2013 is 9.4175×10⁴⁵.

<h3>What is a Function?</h3>

A function assigns the value of each element of one set to the other specific element of another set.

The exponential function that can be used to project the number of centenarians in a certain country is $H(t) = 80,030.83(1.0481)^t$ .

Now, the number of centenarians in the country in 2013 is,

$H(t) = 80,030.83(1.0481)^t\\\\H(2013) = 80,030.83(1.0481)^{2013}\\\\H(2013) = 9.4175 \times 10^{45}$

Also, the number of centenarians in the country in 2038 is,

$H(t) = 80,030.83(1.0481)^t\\\\H(2038) = 80,030.83(1.0481)^{2038}\\\\H(2038) = 3.048 \times 10^{46}$

Hence, the number of centenarians in the country in 2013 is 9.4175×10⁴⁵.

Learn more about Function:

brainly.com/question/5245372

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5 0

3 years ago

(-3.6)-45.19-(-27.033)

patriot [66]

-21.757 because it is right

5 0

3 years ago

How do I find the GCF OF 3 numbers

kolezko [41]

Keep diving each of them by a number and see if it matches. For example I have 25, 50, and 100. The gcf is going to be 5.

6 0

3 years ago

Given that x = 3 + 8i and y = 7 - i, match the equivalent expressions.

drek231 [11]

By applying operations for <em>complex</em> numbers, we have these:

- 5 · x + y = - 8 - i 41
- x · y = - 29 - i 53
x · 2 · y = 58 + i 106
2 · x - 3 · y = - 15 + i 19

<h3>How to find four equivalent complex expressions</h3>

Herein we must apply the operations of summing two <em>complex</em> numbers, multiplying two <em>complex</em> numbers and multiplying a <em>complex</em> number by a <em>real</em> number, which are defined below:

Addition between two complex numbers

(a + i b) + (c + i d) = (a + c) + i (b + d) (1)

Multiplication between two complex numbers

(a + i · b) · (c + i d) = (a · c - b · d) + i (b · c + a · d)

Multiplication of a complex number by a real number

k · (a + i b) = k · a + i k · b (2)

Now we proceed to find the equivalent expressions:

- 5 · x + y = - 5 · (3 + i 8) + (7 - i) = (- 15 - i 40) + (7 - i) = - 8 - i 41

- x · y = - (3 + i 8) · (7 - i) = (- 3 - i 8) · (7 - i) = (- 21 - 8) + i (- 56 + 3) = - 29 - i 53

x · 2 · y = (3 + i 8) · 2 · (7 - i) = (3 + i 8) · (14 - i 2) = (42 + 16) + i (112 - 6) = 58 + i 106

2 · x - 3 · y = 2 · (3 + i 8) - 3 · (7 - i) = (6 + i 16) + (- 21 + i 3) = - 15 + i 19

To learn more on complex numbers: brainly.com/question/10251853