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Firdavs [7]
3 years ago
6

Simplify each expression. 5n + 4n

Mathematics
2 answers:
Julli [10]3 years ago
8 0

Answer:9n

Step-by-step explanation:

To simplify this expression

5n+4n

Factorise the expression

n(5+4)

n(9)

9n

or

5n+4n

=9n

ICE Princess25 [194]3 years ago
7 0

Answer:

9n

Step-by-step explanation:

5n + 4n

Factor out n

n(5+4)

n (9)

9n

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Step-by-step explanation:

1)......mean= sum of observations/ total observations

= 5.2+8.4+4.3+6.7+5.8/5= 6.08

median= n=5(odd)=n+1/2=6/2=3rdterm= 5.8( when arranged in ascending order).....

mode= 3median- 2meam= 3×5.8-2×6.08= 5.24

range=8.4-4.3=4.1(when done A.O)

2)......mean= -2-13-13-5-7/5= -8

median= 3rd term= -5.....(n=5..odd)(when done A.o)

mode=largest frequency= -13

range= -13-(-2) = -13+2= -11(A.O)

3).....mean= sum/no.= 8+6+13/2+17/2+15/2+7+8+11/2+7+8//10=7.2

median=n=10(even)

=

mode= 8

range=8.5-5.5=3

median:==

(10/2)+(10/2+1)//2=5 term + 6term/2=7+7.5=14.5/2=7.25

4)....

5)...remove 62...then 73will be having highest frequency

3 0
3 years ago
I WILL GIVE BRAINLIEST, PLS HELP-A farmer has 300 ft of fencing with which to enclose a rectangular pen next to a barn. The barn
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The maximum area is the area that uses half the fence (150 ft) for the side parallel to the barn and the other half for the ends of the pen (75 ft each). That area is 11,250 ft^2.
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John buys 100 shares of stock at $100 per share. The price goes up by 10% and he sells 50 shares. Then, prices drop by 10% and h
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3 years ago
how many bit strings of length 9 have exactly two 1'S or two 0'S( this is one question, so you should have one answer)
Crazy boy [7]

Answer:

72.

Step-by-step explanation:

Number of strings with exactly 2 1's

= 9C2

= 9*8/2*1

= 36.

Same for  2 0s

= 36.

8 0
2 years ago
Jose runs 3 mikes in 28 minutes. At the same rate, how many miles would he run in 42 minutes?​
My name is Ann [436]

Answer:

4.5 \: miles

Step-by-step explanation:

3 \: miles \: in \: 28 \: minutes.

x \: miles \: in \: 42 \: minutes.

28x=42 \times 3

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x=\frac{9}{2}

8 0
3 years ago
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