1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alja [10]
2 years ago
7

Help me if you truly know this...

Mathematics
1 answer:
Natalka [10]2 years ago
7 0

Answer: 3

Step-by-step explanation:

Triangle DCB is similar to Triangle ECA by AAA.

Since EA and DB are parallel lines, that makes Angle CDB = Angle CEA and Angle CBD = Angle CAE because they are corresponding angles.

Since the two triangles are parallel, we can set up a ratio.

\frac{CD}{CE}  = \frac{CB}{CA}

Now we plug in the numbers given.

\frac{6}{8}  = \frac{9}{CA}

Now we can cross multiply

6CA = 72

Therefore, CA = 12.

AB = CA - CB

So AB = 12 - 9

AB = 3

You might be interested in
A phase modulator produces a maximum phase shift of 45 degrees. The modulation frequency range is 300 to 4000 Hz. What is the ma
sergejj [24]

Answer:

Maximum frequency deviation is 2616.29509 Hz

Maximum frequency deviation=(4000-3000)cos45

Max frequency deviation=2616.29509 Hz

8 0
3 years ago
What is the mistake?<br><br> 3a+4b=7ab
MrRa [10]

Answer:

You cannot add like terms like that.

Step-by-step explanation:

The terms are supposed to be added together, by combining them like that you are multiplying them together.

6 0
3 years ago
Read 2 more answers
What is value of the digit 5 in the number 75
ycow [4]
First, think of your places. You have the ones places, tens places, hundreds places, and so on. 

The first number starting from the right is the ones, and as you keep going left, the value of each given digit becomes higher.

Since 5 is in the ones place, its value would be just 5. If it were in the tens place, it would be 50. If it were in the hundreds place, it would be 500, and so on. 

Think of it this way;

Ones is just one. If a number is in the 'ones' place, its value would be a single digit. If it were in the tens place, its value would be two digits. 
That's how it would be for each place going left. 
Every number you move to the left, its value gains a one.

So here's an example: 
5555

The value of 5 in the ones place "5555" is simply 5.

In the tens place, you end up adding one zero, so the value of the second five to the left would be, "50"

So with that said, the value of the digit 5 in the number 75 is <em>5.

</em>
Haha, hope this cleared up any confusion, and have a <em>wonderful </em>day! :)<em>
</em>
7 0
3 years ago
Read 2 more answers
Simplify: (x+4)*(2x+5
s344n2d4d5 [400]

Answer:

2x^2+13x+20 is the simplified answer

7 0
2 years ago
A man is lying on the beach, flying a kite. He holds the end of the kite string at ground level and estimates the angle of eleva
Ulleksa [173]
This question uses trig

sin(55) = height/195

Therefore, height = 195sin(55) meters (just plug in calculator)
7 0
2 years ago
Other questions:
  • Graph g(t)=4sin(3t)+2
    9·1 answer
  • Question Number 30 You are the owner of a toy store and are preparing to make a donation to a local children's hospital. You mus
    14·1 answer
  • (07.06) Which of the following graphs shows all the possible values for a number that is less than 7? Number line with closed ci
    15·2 answers
  • 4d + 28 = 88 what does d equal
    9·2 answers
  • Please help me thank you
    9·1 answer
  • What is the slope of the line?
    6·2 answers
  • -5x^5+35x^4-30x^3 can someone help me pls
    8·1 answer
  • What is the area of the triangle??? helpppp
    5·2 answers
  • If we want to fit 1000 people in our auditorium and have 25 seats in a row, how many rows do we need?
    15·2 answers
  • Solve 4(x-3) -2(x - 1) &gt; 0.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!