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guajiro [1.7K]
3 years ago
5

The brain volumes ​(cm cubed​) of 20 brains have a mean of 1141.1 cm cubed and a standard deviation of 122.6 cm cubed. Use the g

iven standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such​ data, would a brain volume of 1376.3 cm cubed be significantly​ high?
Mathematics
1 answer:
shusha [124]3 years ago
7 0

Answer:

Step-by-step explanation:

DSGHJDFSBVGJFDSKJL   (IDK AND IDC BYE WHLOE 1)

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Brad has eight more nickels than quarters. Altogether he has $6.10. how many of each does he have
wlad13 [49]

Brad have 19 quarters and 27 nickels.

Step-by-step explanation:

Given,

Total worth of nickels and quarters = $6.10 = 6.10*100 = 610 cents

One quarter = 25 cents

One nickel = 5 cents

Let,

x represent the number of quarters.

y represent the number of nickels.

According to given statement;

25x+5y=610     Eqn 1

y = x+8              Eqn 2

Putting value of y from Eqn 1 in Eqn 2

25x+5(x+8)=610\\25x+5x+40=610\\30x=610-40\\30x=570

Dividing both sides by 30

\frac{30x}{30}=\frac{570}{30}\\x=19

Putting x=19 in Eqn 2

y=19+8\\y=27

Brad have 19 quarters and 27 nickels.

Keywords: linear equation, subtraction

Learn more about subtraction at:

  • brainly.com/question/9369548
  • brainly.com/question/9328925

#LearnwithBrainly

7 0
3 years ago
HELP PLEASE Rory has 10 Gallons 8 cups of water to fill her aquarium how many cups of water does she have? Hint: 1 gallon = 16 c
Lesechka [4]

Answer:

Rory has 168 cups of water

Step-by-step explanation:

Since 1 Gallon is equals to 1 cups, multiply it by 10 gallons then add 8 cups to it

<u><em>Hope this helps</em></u>

4 0
3 years ago
Read 2 more answers
4) 8(-2 + 2n) + 3n = 40 +5n
Nikitich [7]

Answer:

use the distributive property to distribute the 8

-16+16n+3n=40+5n

-16+19n=40+5n

-16=40+5n-19n

-16=40-14n

-14n+40= -16

-14n= -16-40

-14n= -56

n= -56/-14

n= 4

5 0
3 years ago
Read 2 more answers
Lin Ping earned gross pay of $28,089 last year. Her yearly benefits are 33%
katovenus [111]

Answer:

i dont know

Step-by-step explanation:sorry

3 0
3 years ago
16. An employee has to pay 15.5% in taxes. If
lilavasa [31]

Answer:

379.75

Step-by-step explanation:

15.5 x 2450

100

= 379.75

7 0
3 years ago
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