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Svetradugi [14.3K]
3 years ago
13

Answer soon plz

Mathematics
1 answer:
shusha [124]3 years ago
7 0

Answer:

A) 25 < (1/2)x + 4

B)The X=42                              that is all i got on this one :l i hope it helps a bit

Step-by-step explanation:

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A sports teacher had 1025 sweets. After distributing these equally amongst all the participants in a sports meet, he had just 1
Cerrena [4.2K]

Step-by-step explanation:

Since it remains only 1 sweet, we can subtract it from the total and get the amount of sweets distributed (=1024).

As all the sweets are distributed equally, we must divide the number of distributed sweets by all its dividers (excluding 1024 and 1, we'll see later why):

1) 512 => 2 partecipants

2) 256 => 4 partecipants

3) 128 => 8 partecipants

4) 64 => 16 partecipants

5) 32 => 32 partecipants

6) 16 => 64 partecipants

7) 8 => 128 partecipants

9) 4 => 256 partecipants

10) 2 => 512 partecipants

The number on the left represents the number of sweets given to the partecipants, and on the right we have the number of the partecipants. Note that all the numbers on the left are dividers of 1024.

Why excluding 1 and 1024? Because the problem tells us that there remains 1 sweet. If there was 1 sweet for every partecipant, the number of partecipants would be 1025, but that's not possible as there remains 1 sweet. If it was 1024, it wouldn't work as well because the sweets are 1025 and if 1 is not distributed it goes again against the problem that says all sweets are equally distributed.

5 0
2 years ago
The graph of a quadratic function does not cross the x-axis, but crosses the y-axis in one place.
natulia [17]

Answer: D


Step-by-step explanation:

A quadratic function has a degree of 2 so there will be two roots.  The statement says the function does NOT CROSS THE X-AXIS so there are no real roots. That means both roots must be imaginary (complex).

5 0
3 years ago
In a certain Algebra 2 class of 24 students, 6 of them play basketball and 16 of them play baseball. There are six students who
butalik [34]

Answer:

1/6

Step-by-step explanation:

24-6=18 play basketball / baseball

6+16=22 plays basketball or baseball

the difference between them

22-18=4 plays basketball and baseball

P=4/24=1/6

4 0
3 years ago
Read 2 more answers
Which is the best definition of an Isosceles Triangle ?
baherus [9]

Answer:

A) but it is not a good choice.

Step-by-step explanation:

I don't like A much. An Isosceles triangle has 2 congruent sides. If all three are congruent, it is equilateral.

Of the three choices however, it is A. B is a scalene triangle and C is as stated, equilateral.

6 0
2 years ago
Twelve percent of the population is left handed. Approximate the probability that there are at least 20 left-handers in a school
DochEvi [55]

Answer:

Step-by-step explanation:

We would assume a binomial distribution for the handedness of the population. Let x be a random variable representing the type of handedness in the population. The probability of success, p is that a randomly chosen person is left handed only. Then probability of failure is that a chosen person is not left handed only(right handed only or both).

p = 12/100 = 0.12

number of success, x = 20

n = 200

the probability that there are at least 20 left-handers is expressed as P(x ≥ 20)

From the binomial probability calculator,

P(x ≥ 20) = 0.84

8 0
3 years ago
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