Answer:

Explanation:

Using the PEMDAS rule:
P = parentheses
E = exponent
M = multiplication
D = division
A = Addition
S = subtraction

Step 1: 6 + 4 x 3 - 10/5

Step 2: 6 + 12 - 2

Step 3: 18 - 2

Step 4: 16

6 0

2 years ago

Let XXX and YYY be the following sets: X = \{9, 25\}X={9,25}X, equals, left brace, 9, comma, 25, right brace Y = \{1, 4, 9,16,25

Dmitry_Shevchenko [17]

Answer:

The answer is " $\bold{ \{\phi\}}$ "

Step-by-step explanation:

Given value:

$\ Set\ X = \{9, 25\} \\\\\ Set \ Y = \{ 1,4,9,16,25 \}\\\\Find: \\\\Set (X- Y) \\\\$

When we subtract set X - Y it means, that it will give only, that value which is not available on the set Y.

$\{X-Y\} = \{\phi\}$

5 0

3 years ago

Read 2 more answers

A board is cut so that its length is changed from 8 feet to 6.5 feet. What is the percent of change in length? Round your answer

Schach [20]

it went from 8 to 6.5, namely 8 - 6.5 = 1.5.

if we take the 8 to be the 100%, what is 1.5 off of it in percentage?

$\bf \begin{array}{ccll}amount&\%\\\cline{1-2}8&100\\1.5&x\end{array}\implies \cfrac{8}{1.5}=\cfrac{100}{x}\implies x=\cfrac{1.5\cdot 100}{8}\implies x=18.75$

well, we can round that up to 18.8%, however since it's a subtraction from the board, we can say is -18.8%, a negative percent, because is a percent that was taken out of it.

3 0

2 years ago

Blizzard [7]

Answer:

Step-by-step explanation:

3 0

3 years ago