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FrozenT [24]
3 years ago
14

A combination lock has four wheels in a row. Each wheel has the digits from 0 to 9 on it. How many different combinations are th

ere?
(b)How many different combinations are there if we can only use each digit once?
Mathematics
1 answer:
sattari [20]3 years ago
7 0

Answer:

Step-by-step explanation:

a.10^4=10000

b.10×9×8×7=5040

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How do u work this question out
zhenek [66]
Find the coordinates, which are (5,4) and (6,8)
3 0
2 years ago
Determine the following angle measures.<br> mZM=<br> mXL =
fomenos

Angle measures are ∠M = 90° and ∠L = 24°

Step-by-step explanation:

  • Step 1: In the figure, LM is a tangent to the circle N at point M.

Tangents create right angles at the point of contact with a circle.

So ∠M = 90°

  • Step 2: Sum of angles in a triangle is equal to 180°

⇒ ∠L = 180° - (∠M + ∠N) = 180° - (90° + 66°)

         = 180° - 156° = 24°

4 0
3 years ago
What is the slope of the line that passes through (-6,1) and (2,5)?
kow [346]
Slope is simply rise/run.
or
(vertical shift)/(horizontal shift)
therefore, the x value went from -6 to 2 which means it vertically shifted by 8.
and the y value went from 1 to 5, which means it horizontally shifted by 4.
the slope is 8/4.
or 2.
8 0
3 years ago
Read 2 more answers
The ratio of red cars to blue cars in a parking lot was 5:3 if there were 40 red cars how many blue cars would there be
AveGali [126]

Answer:

24 blue cars

Step-by-step explanation:

Set up a proportion to solve this...

40/5 = x/3      (forty red cars is to five red cars as 'x' number of blue cars is to 3 blue cars)

Now solve by cross multiplying...

120 = 5x

    24 = x

6 0
3 years ago
The sum of two numbers is 25 and their quotient is 4
insens350 [35]

Answer:

20 and 5

Step-by-step explanation:

20+5=25

20÷5=4

7 0
3 years ago
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