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Lera25 [3.4K]
4 years ago
8

How many five-digit numbers are there for which each digit is either equal to both adjacent ones, or differs from its neighbors

exactly by 1 (from one smaller by 1, and from the other larger by 1) and which contain the digit 5?
Mathematics
1 answer:
Luba_88 [7]4 years ago
7 0

Answer:

Step-by-step explanation:

10

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There are 9 squares and 6 circles. What is the simplest ratio of circles to squares?
castortr0y [4]

Answer:

2:3, 2 to 3

Step-by-step explanation:

9 and 6 are both factors of three, so you have to reduce. 3 goes into 9 tree times, and 3 goes into 6 twice. Since it is circles to squares, the 2 comes first then 3.

Hope this helps!

6 0
2 years ago
Find the area of this triangle.
Katyanochek1 [597]

Answer:

120 ft²

Step-by-step explanation:

The formula to find the area of a triangle is :

Area = \frac{1}{2} × base × height

Given that,

base ⇒ 30 ft

height ⇒ 8 ft

<u>Let us solve it now.</u>

Area =  \frac{1}{2} × base × height

Area =  \frac{1}{2} × 30 ft × 8 ft

Area =  \frac{1}{2} × 240 ft²

Area =<u>  120 ft²</u>

6 0
2 years ago
Read 2 more answers
Write an a equation of a line that passes through (-1, 0) and (-3, -1)
harkovskaia [24]
Use ‘desmos’, just search it up
6 0
3 years ago
a random sample of 4 claims are selected from a lot of 12 that has 3 nonconforming units. using the hypergeometric distribution
Sloan [31]

Answer:

The probability that the sample will contain exactly 0 nonconforming units is P=0.25.

The probability that the sample will contain exactly 1 nonconforming units is P=0.51.

.

Step-by-step explanation:

We have a sample of size n=4, taken out of a lot of N=12 units, where K=3 are non-conforming units.

We can write the probability mass function as:

P(x=k)=\frac{\binom{K}{k}\binom{N-K}{n-k}}{\binom{N}{n}}

where k is the number of non-conforming units on the sample of n=4.

We can calculate the probability of getting no non-conforming units (k=0) as:

P(x=0)=\frac{\binom{3}{0}\binom{9}{4}}{\binom{12}{4}}=\frac{1*126}{495}=\frac{126}{495} = 0.25

We can calculate the probability of getting one non-conforming units (k=1) as:

P(x=1)=\frac{\binom{3}{1}\binom{9}{3}}{\binom{12}{4}}=\frac{3*84}{495}=\frac{252}{495} = 0.51

5 0
4 years ago
Please help me for brainliest!!
malfutka [58]

Answer:

12/4 and 3/5 =x42 2 then 3/9 and 2/27 = x24

Step-by-step explanation:

4 0
3 years ago
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