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aev [14]
3 years ago
9

Consider the equation x = 5. Which statement is TRUE ?

Mathematics
1 answer:
seropon [69]3 years ago
8 0
Where is x because I don’t see none
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Deandra is doing her math homework. She completed the first 6 problems in 2 hours and the last 12 problems in 3 hours.
Annette [7]

Answer:

Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.

Step-by-step explanation:

6 problems ÷ 2 hours = 3 problems per hour

12 problems ÷ 3 hours = 4 problems per hour

3 0
3 years ago
A regular m-gon has 3 times as many sides as a regular k-gon.
Novosadov [1.4K]

9514 1404 393

Answer:

  • k = 10
  • m = 30

Step-by-step explanation:

The interior angle of the m-gon is ...

  m-interior = 180 -360/m

The exterior angle of the k-gon is ...

  k-exterior = 360/k

The required relationships are ...

  m = 3k

  m-interior = 14/3(k-exterior)

Substituting for m, we can write the latter relation as ...

  (180 -360/(3k)) = 14/3(360/k)

Multiplying by 3k/180, we have ...

  3k -2 = 28

  k = (28 +2)/3 = 10

The values of k and m are 10 and 30, respectively.

_____

<em>Check</em>

The interior angle of the m-gon is 180 -360/30 = 168 degrees.

The exterior angle of the k-gon is 360/10 = 36 degrees.

The angle ratio is 168/36 = 14/3 as required.

3 0
3 years ago
What is the answer for x, if 3x+7=13
N76 [4]

3x+7=13

move +7 to the other side

sign changes from +7 to -7

3x+7-7= 13-7

3x= 6

divide by 3 for both sides

3x/3= 6/3

x=2

Answer : x= 2

8 0
3 years ago
Read 2 more answers
Help! Isosceles, scalene or equilateral
noname [10]

equilateral

Step-by-step explanation:

all of the side lengths are the same along with the angles

3 0
3 years ago
Read 2 more answers
Solve x+3&lt;9<br><img src="https://tex.z-dn.net/?f=x%20%2B%203%20%3C%209" id="TexFormula1" title="x + 3 &lt; 9" alt="x + 3 &lt;
Nina [5.8K]

X + 3 < 9

Subtract 3 from both sides:

X < 6

The answer is x < 6

3 0
3 years ago
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