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Fittoniya [83]
3 years ago
8

Someone help me please

Mathematics
1 answer:
Bond [772]3 years ago
6 0

Answer:

4

Step-by-step explanation:

Plug in the standard deviation formula. This is new to me but it took some research.. Hope it helps

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Two addends
nataly862011 [7]

Answer:

28

Step-by-step explanation:

18+6+4=28

8 0
3 years ago
Elena’s aunt bought her a $150 savings bond when she was born. When Elena is 20 years old, the bond will have earned interest an
Ghella [55]

Answer:

307.5$

Step-by-step explanation:

150$. 105% of it added.

Since 105% is 1.05, multiply the percentage by the cost to get the money added.

150*1.05=157.5

Then ADD it to the price/savings.

150+157.5=307.5$

8 0
3 years ago
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Multiply 3x(2x-1) by following these steps
siniylev [52]

Answer:

6x^2-3x

Step-by-step explanation:

3x(2x-1)= \\\\3x(2x)-3x(1)= \\\\6x^2-3x

Hope this helps!

8 0
3 years ago
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Connor have six employees and Bob 41 uniforms for them if you wanted to give them the same number of uniforms so he doesn't have
bagirrra123 [75]
It will be 6 to each person because 6x6 is 36 if u do 6x7 it will be 42 and it said 41 t-shirts not 42
6 0
3 years ago
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A library building is in the shape of a rectangle. Its floor has a length of (3x + 5) meters and a width of (5x − 1) meters. The
malfutka [58]
We can use the Front Outside Inside Last (FOIL) method to expand the double bracket

(3x+5)(5x-1)

Front ⇒(3x)(5x)=15 x^{2}
Outside ⇒(3x)(-1)=-3x
Inside ⇒(5)(5x)=25x
Last ⇒(5)(-1)=-5

Put the four terms together we have
15 x^{2} -3x+25x-5, then collect like terms
15 x^{2} +22x-5
5 0
3 years ago
Read 2 more answers
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