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Paraphin [41]
3 years ago
5

Simplify quantity 10 x squared minus 32 end quantity over 4 quantity 5 x squared minus 32 end quantity over 2, quantity 5 x squa

red minus 16 end quantity over 2, 10x − 8, x − 8
Mathematics
1 answer:
irina1246 [14]3 years ago
8 0

Answer:

Option B.

Step-by-step explanation:

The given expression is

\dfrac{10x^2-32}{4}

We need to find the simplified form of given expression.

Taking out GCF from the numerator.

\dfrac{2(5x^2-16)}{4}

Cancel out common factors.

\dfrac{5x^2-16}{2}

The expression \dfrac{5x^2-16}{2} is the simplified form of given expression.

Therefore, the correct option is B.

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The population of a town increased from 3500 in 2005 to 5600 in 2009. Find the absolute and relative (percent) increase.
Ket [755]

Answer:

Absolute increase in population will be 2100

And percentage increase will be 60 %

Step-by-step explanation:

We have given population in 2005 is 3500

And population in 2009 is 5600

So absolute increase in population = 5600-3500 = 2100

We have to find the percentage increase in population

So relative percentage increase in population will be \frac{2100}{3500}\times 100=60 %

So population will increase by 60 %

6 0
3 years ago
to get a certain shade of green paint, Melissa decides to mix 3 gallons of blue paint with 2 gallons of yellow paint. How much b
maw [93]
Melissa will need 1.5 gallons of blue paint for each gallon of yellow paint.
3 0
3 years ago
A motorboat can go 16 miles downstream on a river in 20 minutes. It takes 30 minutes for this boat to go back upstream the same
Katyanochek1 [597]

Answer:

A) d = 48t, d in miles, t in hours

B)d = 32t, d in miles, t in hours

C)y = 8 mph

Step-by-step explanation:

16 miles in 20 mins = 48 mph

16 miles in 30 mins = 32 mph

The boat speed is the average = (48 + 32)/2 = 40 mph

The current is the difference = 8 mph

7 0
3 years ago
What is identity property mean?
kow [346]
Any number multiplied by one keeps its identity
6 0
3 years ago
-2y-4=4(y-1) help me find the answer to this
Pepsi [2]
-2y-4=4y-4
2) cancel 4 out on both sides
-2y=4y
3) divide both sides by -2
y=-2y
4) subtract both sides by -2y
y+2y=0
5)3y=0
6) divide by 3

Y=0

3 0
3 years ago
Read 2 more answers
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