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Oxana [17]
2 years ago
15

Pls help this is on edge

Mathematics
2 answers:
algol132 years ago
8 0

Answer:

The answer is the image.

Step-by-step explanation:

Sorry for messy writing.

gogolik [260]2 years ago
5 0

Step-by-step explanation:

Btw The one on the upper right hand side is Right angle

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What is the percent for 82?
juin [17]
82% of 100 = 82%

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4 0
3 years ago
An element with mass 800 grams decays by 8.2% per day. How much of the element is remaining after 15 days,
Serjik [45]

Given:

The initial mass of an element is 800 grams.

Decay rate = 8.2% per day

Number of days = 15

To find:

The remaining element after 15 days.

Solution:

The exponential decay model is

y=a(1-r)^t

Where, a is the initial value r is the rate of interest and t is time period.

Putting a=800,r=0.082,t=15 in the above formula, we get

y=800(1-0.082)^{15}

y=800(0.918)^{15}

y=221.68188

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Therefore, the mass of the remaining element is 221.7 grams.

7 0
3 years ago
Terrence says pi is a rational number since it is the ratio of a circle’s circumference to its diameter. Why is Terrence incorre
QveST [7]

Terrence is not correct.

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4 0
3 years ago
Make a table of ordered pairs for the equation.
soldier1979 [14.2K]
X y
-2 -3
-1 -1
0 1
1 3
2 5

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4 0
3 years ago
a 400 g of a liquid of density 1.6g/cm3 is made from mixing liquids of density 1.2g/cm3 and 1.8g/cm3 find the mass of the liquid
gogolik [260]

Answer:

133.33g

Step-by-step explanation:

Let the:

Mass of 1.2g/cm³ of liquid = x

Mass of 1.8g/cm³ of liquid = y

From our Question above, our system of equations is given as:

x + y = 400........ Equation 1

x = 400 - y

1.2 × x + 1.8 × y = 1.6 × 400

1.2x + 1.8y = 640..... Equation 2

We substitute, 400 - y for x in Equation 2

1.2(400 - y) + 1.8y = 640

480 - 1.2y + 1.8y = 640

- 1.2y + 1.8y = 640 - 480

0.6y = 160

y = 160/0.6y

y = 266.67 g

Solving for x

x = 400 - y

x = 400 - 266.67g

x = 133.33g

Therefore, the mass of the liquid of density 1.2g/cm³ is 133.33g

7 0
3 years ago
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