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Oksana_A [137]
3 years ago
8

Byron bought a keyless entry door lock that has the digits 0 through 9 on the keypad. He wants to choose a three-digit entry cod

e. How many different combinations are possible, if the digits can be repeated?
Mathematics
2 answers:
Jobisdone [24]3 years ago
8 0

Answer:

d

Step-by-step explanation:

The answer is 1,000! For each digit you get 10 options: 0,1,2,3,4,5,6,7,8,9.

So if you were to have ten options for each of the three digits you can enter, you multiply all possibilities together. So 10 times 10 is 100. 100 times ten is 1,000.

(10 x 10 x 10 = 1000)

Anni [7]3 years ago
7 0

Answer:

1000

Step-by-step explanation:

We have 10 options for the first digit (0-9, inclusive)

We have 10 options for the second digit, too, because repetition is allowed.

We have 10 options for the third!

So!

10 * 10 * 10 = 1000 :))

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1. A café menu has the following choices of cheese and toppings for scrambled
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Answer:

the top answer in your picture is the right answer

Step-by-step explanation:

8 0
3 years ago
Write an equation in slope-intercept form of the line that passes through the points (-2.3) and (2.7)
liraira [26]

I'm pretty sure the answer is y=x+5

8 0
2 years ago
What is the equation of the line?
Tju [1.3M]

Answer:

y = 2/3x + 4

Step-by-step explanation:

Hope This Helps!

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6 0
3 years ago
There are 20 families living in the Willbrook Farms Development. Of these families, 10 prepared their own federal income taxes f
ioda

Answer:

a) 1/2

b) 9/40

Step-by-step explanation:

Given

Total number of families living in Willbrook Farms Development = 20

Number of families preparing their own federal income taxes for last year = 10

Number of families for which taxes were prepared by a local professional = 7

Number of families for which taxes were prepared by H&R Block = 3

a) Probability of selecting a family that prepared their own taxes = 10/20 = 1/2

b) The probability of selecting two families, both of which prepared their own taxes

10/20 * 9/20 = 9/40

4 0
3 years ago
Points S,U, and T are the midpoints of the sides of PQR. Which statements are correct ? 1/2QP=UT 1/2TS=RQ SU=PR SU||RP UT=RP
steposvetlana [31]

Answer:

\frac{1}{2} QP = UT

Step-by-step explanation:

We are given  a ΔPQR  in which S is the mid point of QP  , T is the mid point of  QR , U is the mid point of PR

i) is true

⇒ \frac{1}{2} QP = UT

Using mid segment theorem which states that In a triangle, the line joining the midpoints of any two sides will be parallel to the third side and that same line joining the midpoints is also half of length of third side .

So, by refering image we can see that UT is the line joining the two mid points . So, by using above theorem    1/2QP=UT and UT is parallel to PQ

Thus, (i) statement is true

⇒\frac{1}{2} QP = UT


8 0
3 years ago
Read 2 more answers
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