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Arturiano [62]
2 years ago
10

Find the distance between the points (3, 8) and (-1, 9). Round the distance to the nearest hundredth.

Mathematics
1 answer:
Fittoniya [83]2 years ago
4 0
 ITS THE SQUARE ROOT OF 17
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darren has 3/4 of a gallon of soil.he needs to plant 5 small plants.if he splits the soil evenly between the plants.how much soi
nika2105 [10]

Number of plants = 5

Amount of soil present for 5 plants = 3/4 gallons

Now here we have to find how much soil will each plant get.

So we have to apply unitary method here to find how much would each plant get the share of soil.

Soil required by 5 plants = 3/4 gallons

Soil required by 1 plant = 3/4 divided by 5 = 3/20 gallons

Answer: Each plant will get 3/20 gallons of soil.

7 0
3 years ago
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7xy + 8z - 2z + 12xy + 10z
cestrela7 [59]

Answer:

19xy + 16z

Step-by-step explanation:

combine like terms

7xy +1 2xy= 19xy

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3 years ago
A man walks due east for 4km, he then changes direction and walks on a bearing on a bearing of 197° until he is south west of hi
Fed [463]

Answer:

13.08 ≈ y

Step-by-step explanation:

7 0
3 years ago
A central angle in this diagram is:
Mrrafil [7]

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3 0
3 years ago
Question 5: How long will it take for 2 g of a sample of iodine-131, which has a half-life of about 8 days, to decay to 0.04 g?
Aleonysh [2.5K]

This problem can be represented through the following equation

A = A₀(1/2)^t/h

where

A----------->  is the amount of substance left after time t

A₀ ----------> is the original amount---------> 2 g

h------------->  is the half-life-----------> 8 days

for A=0.04 g

t=?

0.04 = 2(1/2)^t/8

0.02 = (1/2)^t/8

Take ln on both sides:

ln(0.02) = ln [(1/2)^t/8]

ln(0.02) = (t/8)(ln 1/2)

t = 8*ln(0.02)/ln(1/2)

t = 45.15 days

the answer is 45.15 days

4 0
2 years ago
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