Answer:
Mr Singleton will only need $198 to buy calculator for the 9 student without one. Therefore run fundraiser to raise $1000 for this is No it is much too high
Step-by-step explanation:
If there are 29 student in Mr Singleton class, and 18 has calculator. then those without calculator will be
29 - 18 = 9
if each calculator costs $22, then to get calculator for them all, Mr Singleton will need
$22 × 9 = $198
If Mr Singleton want to estimate $1000 for this at fundraiser, no it is much too high
Answer:
The dimensions of the desktop are (x+7) units by (x-7) units
Step-by-step explanation:
we know that
The difference of squares is equal to
we have
Remember that
substitute
Applying difference of squares
therefore
The dimensions of the desktop are (x+7) units by (x-7) units
Answer:
<h2>A</h2><h2 />
Step-by-step explanation:
You can't just change negative numbers into positive numbers. They're completely different things.
I'm sure you worked with the number line in school. Do you remember how the negatives are on one side of zero, and the positives are on the other side ?
You dress a lot different when it's 40 degrees below zero outside, compared to what you put on when it's 40 degrees above zero. They're completely different numbers.
In the same way, 1,400 feet below sea level is the lowest spot on Earth, at the Dead Sea in Israel, but 1,400 feet above sea level is like somewhere in Nebraska or northern Texas. They're completely different numbers.
Step 1.) Set up the equation
28 %
---- = ------
40 100
Step 2.) Multiply the cross products
2800 = 40x
-------- ------
40 40
70% = x
