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adoni [48]
4 years ago
10

I need help with this question?

Mathematics
1 answer:
WARRIOR [948]4 years ago
5 0

Answer:

Yes. Bc, angle BDC is a right angle.

Step-by-step explanation:


You might be interested in
What is the volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft?
Natasha_Volkova [10]

Answer:

The volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft is:

5889.95 ft³

Step-by-step explanation:

We are given a base diameter of a right circular cylinder as :

d = 17.5 ft.

hence radius of cylinder i.e. r =d/2 = 8.75 ft.

height of the cylinder = 24.5 ft.

now we know that volume of cylinder i.e. V is given by :

V = πr²h

putting the value of r and h in the given formula to obtain the volume

V = 3.14×(8.75)²×24.5

   = 5889.95 ft³

hence, the volume of a right circular cylinder with a base diameter of 17.5 ft and a height of 24.5 ft is:

5889.95 ft³

3 0
3 years ago
Read 2 more answers
The journey was 100 miles long. We traveled at a steady 50mph and arrived after 2 hours. If you were to draw a
Marianna [84]

Answer:

  • abscissa <em>t</em> (or <em>x</em>) as the “time since beginning of journey”, with hours h as unit
  • ordinate <em>d</em> (or <em>y</em>) as the “distance traveled”, with miles mi as unit

Step-by-step explanation:

The graph will look like a diagonal straight line from (0 h, 0 mi) to (2 h, 100 mi). The slope of this line is 50 mph.

7 0
3 years ago
Parallelogram ABCD is similar to parallelogram EFGH. What is the length of GH?
Anarel [89]

Answer:

3

Step-by-step explanation:

8 0
3 years ago
Find the constant of proportionality (r) in the equation y=rx
Schach [20]

Answer:

0.1

Step-by-step explanation:

r = y/x

r = 1.4 / 14 = 0.1

8 0
3 years ago
What are the solutions to the following system of equations? x + y = 3 y = x2 − 9 (3, 0) and (1, 2) (−3, 0) and (1, 2) (3, 0) an
OLga [1]

The solutions for the given system of equations are:

(3, 0), (-4, 7).

<h3>How to solve the given system of equations:</h3>

Here we have the system:

x + y = 3

y = x² - 9

To solve this, we can replace the second equation into the first one, so we get:

x + (x² - 9) = 3

Now we can solve this quadratic equation for x, we need to solve:

x² + x - 12 = 0.

The solutions are given by Bhaskara's formula:

x = \frac{-1 \pm \sqrt{1^2 - 4*1*(-12)} }{2*1} \\\\x = \frac{-1 \pm 7 }{2}

Then the two solutions are:

x = (-1 + 7)/2 = 3

x = (-1 - 7)/2 = -4

To get the y-values correspondent, we can evaluate the linear equation in these two values:

y = 3 - x.

For x = 3:

y = 3 - 3 = 0

For x = -4:

y = 3 + 4 = 7

Then the two solutions are: (3, 0), (-4, 7).

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

3 0
2 years ago
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