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yulyashka [42]
3 years ago
12

A set of elementary school student heights are normally distributed with a mean of 105 centimeters and a

Mathematics
1 answer:
Nana76 [90]3 years ago
7 0

Answer:

7.5

Step-by-step explanation:

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I need help please??? ):
andrew11 [14]

Answer:

n>4

Step-by-step explanation:

n-8 > -4

treat > as an equal sign and solve normally, first move -8 over and change to positive 8

n>-4+8

simplify

n>4

4 0
3 years ago
Tom has t dollars. He buys 5 packets of gum worth d dollars each. How much money does he have left?
enyata [817]

Answer:

5d-t

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8 0
2 years ago
A piece of wire 6 cm long weighs 30 grams. What is the weight of an 8 m length of the same wire?
Feliz [49]

Answer:

4000 gm

Step-by-step explanation:

We can use ratios to solve

Change 8 m to cm

8m * 100cm/1m = 800 cm

6 cm             800 cm

-------------  = ------------

30 grams      x gm

Using cross products

6 * x = 800 * 30

6x = 24000

Divide by 6

6x/6 = 24000/6

x = 4000 gm

5 0
3 years ago
7oz is equal to how many lbs round it to the nearest tenth
Juli2301 [7.4K]
There are 16 ounces in one pound. So we do 7 divided by 16 to get our answer. 

7 / 16 = 0.4375 ≈ 0.4 lbs

7 oz is approximately 0.4 lbs. 
7 0
3 years ago
A bag contains red and green marbles of equal size. There are more red marbles than green marbles in the bag. A marble is chosen
Sedaia [141]
A because it is the best method for studying for exams and exams in the or so that is not working as well in the form for the test to get a
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