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3 years ago

In the figure, a ∥ b and m∠1 = 34°.

Mathematics

1 answer:

Ugo [173]3 years ago

6 0

Answer:

∠5 = 34°

Step-by-step explanation:

Since the lines are parallel then

∠1 and ∠5 are corresponding angles and congruent, hence

∠5 = ∠1 = 34°

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If Mars has a diameter of approximately 4200 miles, what is the volume of Mars.

Alex777 [14]

Answer:

Dimplified: $3.88$ × $10^{10}$ , or $38,800,000,000$

Unsimplified: $38,792,400,000$

Step-by-step explanation:

Remember, the volume of a sphere is $V=$ $\frac{4}{3}$ $\pi r^{3}$

This comes into: $3.87924$ × $10^{10}$

As we know, the shape of mars is a sphere.

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3 years ago

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Answer:

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3 years ago

Simplify the expression.

butalik [34]

Hey there! :D

That's like saying:

-2*-2*-2

-2*-2=4

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"D" -8 <== the answer

I hope this helps!
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3 years ago

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I need help ASAP help me answer questions and then I put a picture up

olya-2409 [2.1K]

Answer:

(-4,9)

Step-by-step explanation:

To solve the system of equations, you want to be able to cancel out one of the variables. In this case, it'd be easiest to cancel out the x variables. To do this, you'll want to multiply everything in the first equation by 2 (2(x-5y=-49)=2x-10y=-98). Then, you can add the two equations together. 2x and -2x will cancel out, so you'll be left with -11y=-99. Next, solve for x by dividing both sides of the equation by -11, which will give you y=9. This is your y-coordinate! At this point, you're halfway to the answer as you just need your x-coordinate. It's not too difficult to find the x-coordinate, since you just substitute 9 into one of the equations. It doesn't matter which one you choose as you should get the same answer with both. I usually substitute the y-value into both equations, though, just to make sure I'm correct. Once you put the y-value into the equations, you should get x=-4 after solving it. :)

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3 years ago

Which set of parametric equations represents the following function y=square root of x+3

Irina18 [472]

The given equation is:

$y= \sqrt{x+3}$

We have to find, which of the given set of parametric equations given in the options, result in the above equation:

The correct answer would be option A.

The equations in option A are:

$x(t) = 5t \\ 
y(t)= \sqrt{5t+3}$

From first equation we can see that 5t is equal to x. Using the value of 5th in second equation, we get the equation as:

$y= \sqrt{x+3}$

Therefore, the correct answer is option A

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3 years ago