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NISA [10]
3 years ago
14

Lucy uses a code to open a lock.

Mathematics
1 answer:
valina [46]3 years ago
5 0

Answer:

L23

L29

U23

U29

Step-by-step explanation:

We have two elements for the code:

Letter: The options are L and U.

Number: A prime number between 20 and 30, the options here are:

23, 29 (These are the only two prime numbers between 20 and 30)

Then the possible combinations are:

L23

L29

U23

U29

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which of the following expressions represent the number of distinguishable permutations of the letters of the word conclusion​
LekaFEV [45]

Answer:

See explanation

Step-by-step explanation:

In most cases, we run into the problem of arranging objects that are repeated. This often occurs when we have a word that has repeated letters.

Let us recall that permutation deals with arrangements which are distinguishable.

Hence, for the word CONCLUSION, the number of distinguishable arrangements are;

10!/2!2!2!

3 0
3 years ago
Can someone help me????
tatyana61 [14]

Answer:

all of them? or just like 1

7 0
3 years ago
Tom bought a board that
horrorfan [7]

Answer:

31.5 inches

Step-by-step explanation:

i apologize if i'm wrong

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3 years ago
Caroline has a mask collection of 380 masks. She keeps 45% of the masks on her wall. How many masks does she keep on her wall?
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Answer:

171

Step-by-step explanation:

multiply 380 times 0.45 so like this:

380 x 0.45 = 171

3 0
3 years ago
It is currently 10 degrees outside. The temperature is dropping 5 degrees every hour. Write and solve an inequality that represe
blondinia [14]

Step-by-step explanation:

present temprature outside=10 degree

temp drops every hour= 5 dgree

let number of hours=h

10 9 8 7 6 5 4 3 2 1 0 hours

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it will take 10 hours

for the temperature below -40 degree

h=10

5 0
3 years ago
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