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Anuta_ua [19.1K]
3 years ago
5

2.5 hours is equal to 2 hours and 30 minutes True or false​

Mathematics
2 answers:
Anna35 [415]3 years ago
5 0

Answer:

True

Step-by-step explanation:

30 minutes is equal to 1/2 hour or 0.5 hour.

This is because there is 60 minutes in 1 hour, and 1/2 of 60 is 30.

Hope this helps! :)

Feliz [49]3 years ago
4 0

Answer:

True because 1/2 an hour is 30 minutes.

Step-by-step explanation:

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Which of the following is the most accurate statement about Spatial Relations?
WINSTONCH [101]

Option C. The correct statement about spatial relationshipo is that Spatial terms such as above, below, behind, and under are used to describe objects in space.

<h3>What are spatial relationship?</h3>

These are the types of relationships that are used to relate objects to the location of somethings else. It makes use of words like under, above etc.

It is one of the knowledge that children need in the preoperational stage to learn how to use logical operations.

Read more on spatial relationships here:

brainly.com/question/18689323

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8 0
2 years ago
The functions f(x) and g(x) are defined below.
erica [24]
-3 is you answer :)
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7 0
3 years ago
For safety reasons, 4 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills
Evgen [1.6K]

Answer:

<em>99.93%</em>

Step-by-step explanation:

<u>Probability of Independent Events</u>

Given the probability of success of each detector is 0.84 independently of the others, their combined success/failure probability can be computed with the product rule.

We can calculate the required probability by using the binomial distribution, but it's easier to calculate the probability of the negated event an subtract from 1.

We want to know the probability that a least one of the 4 systems detects the occurrence of theft. That probability is the sum of the probabilities that one of them, two of them, three of them or all of them succeed. The negated event is that NONE of them actually detects the theft. Being p the individual probability of success, p=0.84. Being q the probability of failure, q=0.16.

The probability that none of the systems detect the theft is

P(0)=q^4=0.16^4=0.00065536

Thus, the probability that at least one of the systems detect the theft is

P(x\geq1)=1-P(0)=1-0.00065536=0.9993

That means a 99.93%

3 0
3 years ago
Emma buys packets of coloured beads.
Black_prince [1.1K]

Answer:

5 purple beads

8 red beads

4 blue beads

Step-by-step explanation:

Find the common factor of 8 5 and 10

Which is 40

8 * 5 = 40

5 * 8 = 40

4 * 10 = 40

8 0
3 years ago
Solve the system
konstantin123 [22]
Use substitution. 

y = 2 - x and y = 4x + 7 can become

2 - x = 4x + 7

Now solve for x

-5 = 5x

-1 = x

Now plug -1 for x in either equation.

y = 2 - x -> y = 2 - (-1) -> y = 3
y = 4x + 7 -> y = 4*-1 + 7 -> y = -4 + 7 -> y = 3

So C) is the correct answer.
7 0
3 years ago
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