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tiny-mole [99]
3 years ago
9

What number is 30% of 80

Mathematics
2 answers:
IrinaVladis [17]3 years ago
8 0
The answer for 30% of 80 is “20”
hram777 [196]3 years ago
3 0

Answer:

24

Step-by-step explanation:

To find the % of something all you have to do is convert 30% to a decimal (.3) and times it by the number you want the percent out of (80) so 80 *.3= 24

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Factor the expression and simplify as much as possible. 24x(x2 1)4(x3 1)5 42x2(x2 1)5(x3 1)4
zmey [24]

Answer: 120[4(x^6 + x^3 + x^4 + x) +7(x^7 + x^4 + x^5 + x^2)]

Step-by-step explanation:

=24x(x^2 + 1)4(x^3 + 1)5 + 42x^2(x^2 + 1)5(x^3 + 1)4

Remove the brackets first

=[(24x^3 +24x)(4x^3 + 4)]5 + [(42x^4 +42x^2)(5x^3 + 5)4]

=[(96x^6 + 96x^3 +96x^4 + 96x)5] + [(210x^7 + 210x^4 + 210x^5 + 210x^2)4]

=(480x^6 + 480x^3 + 480x^4 + 480x) + (840x^7 + 840x^4 + 840x^5 + 840x^2)

Then the common:

=[480(x^6 + x^3 + x^4 + x) + 840(x^7 + x^4 + x^5 + x^2)]

=120[4(x^6 + x^3 + x^4 + x) +7(x^7 + x^4 + x^5 + x^2)]

6 0
3 years ago
What is the value of x?<br><br> Enter your answer in the box.
12345 [234]
2x - 4 = 60
2x = 64
  x = 32

hope it helps
5 0
3 years ago
Gloria has 11 markers in a backpack. One of them is purple and one is gray. Find the probability Gloria will reach into the back
SCORPION-xisa [38]

Answer:

Step-by-step explanation:

She has 1 in 11 chances of getting the purple one

One of her choices is gone after she takes out the purple one. She has a 1 in 10 chance of taking out the gray one.

1/11 * 1/10 = 1/110

8 0
3 years ago
One number exceeds another by 1. the sum of the numbers is 21. what are the numbers
Cerrena [4.2K]
Try this solution:
1. if 1st number is 'x', the 2d number is 'y', then it is possible to make up the system of two equation according to the condition:
\left \{ {{x-y=1} \atop {x+y=21}} \right. \ =\ \textgreater \  \  \left \{ {{x=11} \atop {y=10}} \right.
2. one number is 11, another number is 10.
3 0
3 years ago
Car travels and average speed of 48 miles per hour how long does it take to travel 180 miles?
Neporo4naja [7]

speed =48mph

distance = 180 miles

we know that

time = distance / speed

time=\frac{180}{48} hours

time=3.75 hours..........Answer

5 0
3 years ago
Read 2 more answers
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