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erastovalidia [21]
3 years ago
9

Jonas is doing a science experiment with his class. The teacher has 21 fluid ounces of pound water too share equally with 10 pai

rs of students. How much pond water will jonas and his science partner receive ? What is the answer as fraction and decimal?
Mathematics
1 answer:
seropon [69]3 years ago
8 0

Answer:

2.1 and 21/10

Step-by-step explanation:

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A dvd is marked down 15% the regular price is $12 what is the sale price?
mash [69]

15% off means the dvd is selling for 85% of the original price ( 100% - 15%=85%)

Multiply the original price by 85%

12 x 0.85 = 10.20

The price is $10.20

4 0
2 years ago
Read 2 more answers
Explain why the expression 10 to the power of zero, one to the power of four and 1×1.0 to the power of zero have the same value
Nina [5.8K]

Answer:

10*0=1, according to the law of indices which states that anything to the zero power is equal to one

1*4=1×1×1×1=1

1×1.0=1.0=1

3 0
3 years ago
Brian ate 1/5 of a pie. The colin ate 1/5 of the pie, and david ate 1/5 of the pie.
sleet_krkn [62]

Answer:

2/5

Step-by-step explanation:

5 0
3 years ago
You are planning to put a new digital flat t.v on a wall that is 12ft long and 9ft high. the digital t.v has a diagonal of 72 in
Pie
Area of wall = 9 * 12 = 108 ft^2
Width of TV = x
Lenght = 2x
Diagonal of TV = 72 " = 6 ft


x^2+(2x)^2=6^2
x^2+4x^2=36
5x^2=35
x^2=36/5
x=sqrt(36/5)
Width = 2.68 ft.
Length = 2.68 * 5.36 = 14.36 ft^2
Area of wall - area of tv = 108 - 14.36 = 93.64 ft

7 0
3 years ago
A merchant sold a pen for $6.90 ,thereby making a profit of 15% on her cost calculate the cost of the pen to the merchant to the
NeTakaya
So you know the merchant made a 15% profit on the pen, so she bought it for a cheaper price. To find the cost of the pen before you have to take the price now, $6.90 and times it by 85%. You do 85% because you subtract the 15% she saved from 100% and you get 85%. So 6.90x.85= 5.865 which rounds to $5.87
7 0
3 years ago
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