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3 years ago

Is it possible to build a triangle with lengths of 5 7 12

Mathematics

1 answer:

Marysya12 [62]3 years ago

8 0

Answer:

Step-by-step explanation:

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

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Find the value of x in each case.

Leto [7]

Answer:

I think its 80 for both. .,.

Hola,

Goodluck! Z:

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3 years ago

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Help please!!!! Will mark b for right answer

Ronch [10]

Answer:

Step-by-step explanation:

2x+1=71

71-1=70

70÷2=35

therefore x must be 35

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3 years ago

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Liz wants to buy her favorite musical group’s new CD. The CD costs $15.24, including tax. Liz gives the store clerk a twenty-dol

Mila [183]

$20.00 - $15.24 = $4.76 in change. I'd say review decimal subtraction which you should have learned in fourth or fifth grade. Hope this helps!

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3 years ago

4. A very scared penguin has decided to go downhill skiing. When he is nervous he likes to do math. The ski lift starts at 100 f

Ainat [17]

Answer: is -100 +1500-200

Step-by-step explanation:

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3 years ago

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Write the equation of the circle with center (-4, 8) and passes through the point (-2, -1)

anzhelika [568]

Answer:

$(x+4)^2+(y-8)^2=85$

Step-by-step explanation:

The standard equation for a circle is given by:

$(x-h)^2+(y-k)^2=r^2$

Where (h, k) is the center and r is the radius.

We know that the center is (-4, 8). So, substitute -4 for h and 8 for k:

$(x-(-4))^2+(y-8)^2=r^2\\$

Simplify:

$(x+4)^2+(y-8)^2=r^2$

Now, we will need to find r.

We know that it passes through the point (-2, -1). So, we can substitute -2 for x and -1 for y and solve for r. So:

$(-2+4)^2+(-1-8)^2=r^2$

Evaluate:

$(2)^2+(-9)^2=r^2$

Square:

$4+81=r^2$

Add:

$r^2=85$

So, r squared is 85.

We don’t actually have to solve for r itself, since we will have to square it anyways.

So, we have:

$(x+4)^2+(y-8)^2=r^2$

Substituting 85 for r squared, we get:

$(x+4)^2+(y-8)^2=85$

And we have our equation.

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3 years ago