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Ivenika [448]
4 years ago
6

How does the greenhouse effect keep the Earth warm? The atmosphere

Mathematics
2 answers:
Salsk061 [2.6K]4 years ago
7 0

Answer:

D

Step-by-step explanation:

frozen [14]4 years ago
5 0

Answer: D

Step-by-step explanation:

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What is the surface area of this rectangular prism?
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What is the determinant of the coefficient matrix of the system?<br> –158<br> –117<br> 65<br> 117
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A car weighs 958kg when empty. The driver weighs 72kg and his passengers weighs 80kg .what is total mass give your answer. I.kil
AysviL [449]

Answer:

Step-by-step explanation:

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4 0
3 years ago
If x varies inversely as the square of y and if x=3 when y=-1, what is the value of x when y =3
lyudmila [28]

Answer:

x would be (1/3) when y = 3.

Step-by-step explanation:

The question states that x varies "inversely" as y^2. In other words, there is a non-zero number a (a constant) such that:

\displaystyle x = \frac{a}{y^2}.

The challenging part is to find the value of a in this equation.

Given that x = 3 when y = -1, replace the x in this equation with 3 and y with (-1). This equation should still be valid:

\displaystyle 3 = \frac{a}{(-1)^{2}}.

Solve for a:

a = 3 \times (-1)^2 = 3.

Hence, the relation between x and y becomes:

\displaystyle x = \frac{3}{y^2}.

Find the value of x when y = 3 by replacing the y in this equation with 3.

\displaystyle x = \frac{3}{3^2} = \frac{1}{3}.

In other words, the value of x would be \displaystyle \frac{1}{3} when y = 3.

7 0
3 years ago
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