If BD* is diameter, then triangle BCD is a (blank) triangle.
If BD* is diameter, then triangle BCD is a (blank) - 1

Answers

Answer 1
Answer: The word to fill in the blank is "right".

Given that BD is a diameter, the triangle BCD is inscribed in a semicircle, which implies that the ancle C is 90°. All triangles inscribed in a semicircle are right triangles.
Answer 2
Answer:

the answer is right, a corner of a paper is 90*  if you try it the angle is 90*


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Between what two consecutive integers does√73
lie????

A: 71 and 73
B: 8 and 9
C: 9 and 10
D: 10 and 11

Answers

Hey there, √73 is between the two square roots, √81 and √64, now, 8*9=72, so, √64, √73, and √81. So, 8<√73<9. Therefore, the answer is B. 8 and 9

A number has the digits 2, and 4 to the nearest 100. the number rounds to 200 what is the number

Answers

The number could either be 240 or 204. This is because anywhere below 250 would round down, thus, 240 and 204 would round down to 200. Not sure if I read the question correctly, so reply if I didn't! 

Hope this helps, 
Jelly

Write the standard form of the equation of the hyperbola 4x2 − 9y2 − 16x − 36y − 56 = 0.

Answers

The standard form of the equation of the hyperbola:

((x - 2)^2)/(5) - ((y + 2)^2)/(20/9) = 1

How did we get the values?

To write the standardform of the equation of a hyperbola, you need to rearrange the given equation into the following form:

((x-h)^2)/(a^2) - ((y-k)^2)/(b^2) = 1

Where (h, k) is the center of the hyperbola, and "a" and "b" are positive constants related to the shape and size of the hyperbola.

Start by completing the square for both the x and y terms:

1. Group the x terms and y terms separately:

  4x² - 16x - 9y2 - 36y - 56 = 0

2. Complete the square for the x terms by adding and subtracting the appropriate constant inside the first bracket:

  4(x² - 4x + 4) - 9y² - 36y - 56 = 0

3. Complete the square for the y terms by adding and subtracting the appropriate constant inside the second bracket:

  4(x² - 4x + 4) - 9(y² + 4y + 4) - 56 + 36 = 0

4. Now, rewrite the equation and simplify:

  4(x² - 4x + 4) - 9(y² + 4y + 4) - 20 = 0

5. Factor the squares:

  4(x - 2)² - 9(y + 2)² - 20 = 0

6. Divide both sides by the constants to isolate the equation:

((x - 2)^2)/(5) - ((y + 2)^2)/(20/9) = 1

Now, you have the standard form of the equation of the hyperbola:

((x - 2)^2)/(5) - ((y + 2)^2)/(20/9) = 1

The center of the hyperbola is at (h, k) = (2, -2), "a" is the square root of 5, and "b" is the square root of 20/9.

learn more about standard form: brainly.com/question/19169731

#SPJ4

Answer:

(x-2)^2/3^2 - (y+2)^2/2^2 =1

Step-by-step explanation:

Plato

How to you write the number 5,000,000,000,000,000,000,000,000,000,000

Answers

The way you wrote it is how you write it unless you want to do scientific notation then the answer would be, 5x10^30 because for it to be in scientific notation it has to be between 10 and 1 so I moved the decimal spot over 30 to get it into scientific notation. Hope this helps out.
Well, the word form would be five-nonillion.
I hope I helped! =D

Help on these plzzzzz it is really hard

Answers

11.

Lateral area of a cube is 4*[(2.5)^2] = 4*6.25 = 25 cm^2;                    B

can anyone solve 4x^2 + 12x - 40 ? you would have to find what multiplies to get -40 but adds to get 12, but you do something with th 4x^2 as well

Answers


There's really nothing to solve, since there's no equation there.
Perhaps you want that expression factored.  We can do that.

First, all 3 terms share a common factor of 4.  Let's pull that out,
and see what's left to be factored:

                   4x² + 12x - 40  =  4 (x² + 3x - 10) .

Now, the expression left inside the parentheses looks
like it might be a lot easier to handle. 

Here's what the whole expression looks like after the
quadratic inside the parentheses is factored:

            4 (x² + 3x - 10)  =    4 (x + 5) (x - 2) .

There it is.  Understand ... we haven't changed anything,
and we haven't solved anything.  We only wrote the original
expression in a different form.  It's still just an expression that
stands for a number, and we won't know the number until
somebody tells us the value of 'x' .