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belka [17]
3 years ago
7

1. Triangle XYZ has vertices at X (2, -1), Y (-4, -1), and Z (2, 2). The triangle will be dilated by a scale factor of 4. What w

ill be the coordinates of Y’? A. ( -8, -4) B. ( -1, -0.25) C. ( -16, -4) D. (16, 4)
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
8 0

Answer:

Can’t right. Now

Step-by-step explanation:

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Can someone plz help me with this one problem
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Yes

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I´m pretty sure but not 100% sure

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5y=-15-6x

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Solve for x (5x-3)/4 = x/3 + 1 and please show working out
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(5x-3)/4 = x/3 +1  
5x-3 = 4x/3 +4 
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4 0
3 years ago
In the following exercises, solve
yKpoI14uk [10]

Answer:

When the volume of a gas in a container varies inversely with the pressure on the gas and a container of nitrogen has a volume of 29.5 litres with 2000 psi. So, if the tank has a 14.7 psi pressure, then the volume of the tank would be 4013.6 litres.

Step-by-step explanation:

  • The volume of a gas in a container varies inversely with the pressure on the gas. If a container of nitrogen has a volume of  litres with  psi, what is the volume if the tank has a  psi pressure.
  • Calculate the volume to the nearest whole number.
  • Use the given values and calculate the proportionality constant as well as required solution.

Step 1 of 2

Write the inversely proportionality relation between the volume and pressure of a gas in container.

$v \propto \frac{1}{p}$

Where volume is represented by v and pressure is represented by p.

Remove the proportionality and place a constant say k.

$v=\frac{k}{p}$

Substitute the given values of nitrogen that v=29.5 and

p=2000 and calculate the value of k from above equation.

$$\begin{aligned}&29.5=\frac{k}{2000} \\&\Rightarrow k=29.5 \times 2000 \\&\Rightarrow k=59000\end{aligned}$$

Step 2 of 2

Substitute the value p=14.7 and above calculated k value in the equation

$$\begin{aligned}&v=\frac{k}{p} . \\&v=\frac{59000}{14.7} \\&\Rightarrow v=4013.6\end{aligned}$$

7 0
2 years ago
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