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3 years ago

Find the value of 16+ 6 ÷ 2.

Mathematics

2 answers:

Vanyuwa [196]3 years ago

6 0

Answer: 19

Step-by-step explanation: To simplify 16 + 6 ÷ 2, it's important to understand that based on the order of operations or <u><em>pemdas</em></u>, multiplication and division come before addition and subtraction.

So our first step here is to divide 6 by 2 which is 3 and we have 16 + 3 which is 19.

To summarize, use the following order of operations when simplifying.

Parentheses

Exponents

Multiplication/Division

Addition/Subtraction

If you take the first letter from each of these words,

you get P E M D A S or pemdas which you can use as an easy way to remember your order of operations.

aleksklad [387]3 years ago

3 0

Answer:

Step-by-step explanation:

Remember to follow PEMDAS.

PEMDAS is the order of operations, and is:

Parenthesis

Exponents (& roots)

Multiplication

Division

Addition

Subtraction

First, divide 6 with 2: 6/2 = 3

Next, add: 16 + 3 = 19

19 is your value.

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DESARROLLO:

n200080 [17]

Answer:

C.¿Cuanto dinero hay al cabo de n anos

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Use the following information for problems 1 – 3. Suppose you sign a contract for an annual salary of $50,000 with a guaranteed

erik [133]

Initial salary = $50,000 .

Rate of raise = 5% each year.

Therefore, each next year salary would be 105% that is 1.05 times.

5% of 50,000 = 0.05 × 50000 = 2500.

Therefore raise is $2500 each year.

According to geometric sequence first term 50000 and common ratio 1.05.

Applying geometric sequence formula

$a_n = ar^{n-1}$

1) $a_n = 50000(1.05)^{n-1}$

2) In order to find salary in 5 years we need to plug n=5, we get

$a_5 = 50000(1.05)^{5-1}= 50000(1.05)^4$

= 50000(1.21550625)

3) In order to find the total salary in 10 years we need to apply sum of 10 terms formula of a geometric sequence.

$S_n = \frac{a(1-r^n}{1-r}$

Plugging n=10, a = 50000 and r= 1.05.

$S_10 = \frac{50000(1-(1.05)^{10}}{1-1.05}$

$S_10 = \frac{50000(0.050)^{10}}{0.05}$

= 628894.62678.

<h3>Therefore , you will have earned $ 628894.62678 in total salary by the end of your 10th year.</h3>

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3 years ago

In a group of eighteen people, each person shakes hands once with each other person in the group. How many handshakes will occur

miv72 [106K]

The number of handshakes that will occur in a group of eighteen people if each person shakes hands once with each other person in the group is 153 handshakes

In order to determine the number of handshakes that will occur among 18 people, that is, the number of ways we can choose 2 persons from 18 people.

∴ The number of handshakes = $^{18}C_{2}$