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Vikentia [17]
3 years ago
8

What is the measure of angle ADC?

Mathematics
1 answer:
dimulka [17.4K]3 years ago
4 0

angle ADC equals 74 degrees

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At school, the maximum number of students that can be in a classroom is 25. If there are 15 students signed up for the chemistry
svetoff [14.1K]

Answer: 10

Step-by-step explanation:

25 - 15 = 10

6 0
2 years ago
A man is five times as old as his son. Four years ago the man was thirteen times as old as his son.
skad [1K]

Answer:

Age of son = 6 years

Age of man = 5×6 = 30 years

Step-by-step explanation:

<u>GIVEN :-</u>

  • A man is 5 times as old as his son. (In Present)
  • 4 years ago , the man was 13 times as old as his son

<u>TO FIND :-</u>

  • The present ages of the man & his son.

<u>SOLUTION :-</u>

Let the present age of son be 'x'.

⇒ Present age of man = 5x

4 years ago ,

Age of son = (Present age of son) - 4 = x - 4

Age of man = (Present age of man) - 4 = 5x - 4

The man was thirteen times as old as his son. So,

=> 5x - 4 = 13(x - 4)

Now , solve the equation.

  • Open the brackets in R.H.S.

=> 5x - 4 = 13x - 52

  • Take 5x to R.H.S. and -52 to L.H.S. Also , take care of their signs because they are getting displaced from L.H.S. to R.H.S. or vice-versa.

=> 13x - 5x = 52 - 4

=> 8x = 48

  • Divide both the sides by 8

=> \frac{8x}{8} = \frac{48}{8}

=> x = 6

<u>CONCLUSION :-</u>

Age of son = 6 years

Age of man = 5×6 = 30 years

8 0
2 years ago
You draw 2 cards from a deck. What’s the probability that one is red and the other is black
Andreyy89

Answer:

26/52 50%

Step-by-step explanation:

52 cards in a deck, 26 are black and 26 are white.

6 0
2 years ago
Plz help ive been trying for soo long
mash [69]

Answer:

4 and 6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
1/2 (4r+6) what dose (4r+6) mean
Alisiya [41]
Answer: 5

This is because (4r + 6) means you take r and multiply that number by 4.

Because there is no number, r would equal one in this case.

4 • 1 is 4

4 + 6 is 10

This would give us 1/2(10)

Half of 10 is 5.

Therefore, the answer is 5.
5 0
3 years ago
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