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3 years ago

Select the best possible first step to solving the system by first eliminating the x variable.

Mathematics

1 answer:

zheka24 [161]3 years ago

3 0

It seems to be none of the above

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Please anyone help please ASAP

denis23 [38]

Answer:

Angle WTS will be 180 degree minus 15x. You can write this as an expression:

180-15x

Now you have an expression for each angle in the triangle. Triangles will always have 180 degrees in them. You can add the expressions together and set it equal to 180. Then you can solve the equation for the x variable.

Step-by-step explanation:

Angle SWT + angle WTS + angle TSW = 180 degrees

Replace each angle with the expression then solve.

3 0

3 years ago

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Find the surface area of this triangular prism

sergij07 [2.7K]

Answer:

24 square inches

Step-by-step explanation:

the explanation is in the picture

please like and Mark as brainliest

4 0

3 years ago

Answer this if you're cool

GalinKa [24]

I’m doing this to in 8th grade I don’t understand it neither

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3 years ago

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Reagan and Nathan are 40 miles apart on a bike trail when they start pedaling toward each other on their b bicycles. Reagan ride

irinina [24]

Answer:

They meet in 2.22 hours.

Step-by-step explanation:

We can find the time at which Reagan and Nathan meet by equaling the time as follows:

$v_{R} = \frac{x_{R}}{t}$

$x_{R} = v_{R}t$ (1)

$v_{N} = \frac{x_{N}}{t}$

$x_{N} = v_{N}t$ (2)

Where R is for Reagan and N for Nathan.

Knowing that:

$x_{R} + x_{N} = 40 mi$

By adding equations (1) and (2) we have:

$x_{R} + x_{N} = v_{R}t + v_{N}t$

$t = \frac{x_{R} + x_{N}}{|v_{R}| + |v_{N}|} = \frac{40 mi}{8 mi/h + 10 mi/h} = 2.22 h$

Therefore, they meet in 2.22 hours.

I hope it helps you!

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3 years ago

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An aquarium is a cylinder with a diameter of 203 feet and a height of 25 feet. What is the volume of the aquarium

lilavasa [31]

Volume formula for a cylinder is pi*r^2*h

h=height=25 feet

r=radius=101.5

Radius is half of the diameter.

Plug those numbers in: pi*101.5^2*25= 809136.822886= 8.09*10^5 hopefully this helps! ^-^

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3 years ago