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denis23 [38]
2 years ago
5

Which of these expressions is equal to 1?

Mathematics
2 answers:
9966 [12]2 years ago
6 0
2/8 + 1/4 + 1/2 is equal to 1. Brainliest?
kykrilka [37]2 years ago
3 0

Answer: 2/8+1/4+1/2

Step-by-step explanation: I think the correct answer is 2/8+1/4+1/2, because 3/4+2/3+1/2=1 11/12. 1/4+1/2=3/4. 5/3+1/6+1/3=2 1/6.

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In what shape are the lateral faces of a pyramid
alina1380 [7]
IT IS IN triangle shapes hope it helps since some got 3 and the others got 4
3 0
3 years ago
Jean is 11 years old. She lives in a building with 8 children who are older than 11 and 6 children that are under 11 years old H
Vladimir79 [104]

Answer:

Step-by-step explanation:8

3 0
4 years ago
A sailboat leaves port and sails 12 kilometers west and then 9 kilometers north. The sailboat is now kilometers from port
Luden [163]

Answer:  The sailboat is at a distance of 15 km from the port.

Step-by-step explanation:  Given that a sail boat leaves port and sails 12 kilometers west and then 9 kilometers north.

We are to find the distance between the sailboat from the port in kilometers.

Since the directions west and north are at right-angles, we can visualize the movement of the sailboat in the form of a right-angled triangle as shown in the attached figure.

The sailboat moves leaves the port at P and reach O after sailing 12 km west. From point O, again it moves towards north 9 km and reach the point S.

PS = ?

Using the Pythagoras theorem, we have from right-angled triangle SOP,

PS^2=OS^2+OP^2=9^2+12^2=81+144=225\\\\\Rightarrow PS=15~\textup{km}.

Thus, the sailboat is at a distance of 15 km from the port.

5 0
4 years ago
In a regional spelling bee, the 8 finalists consist of 3 boys and 5 girls. Find the number of sample points in the sample space
posledela

Answer: a.) 40320

b.) 336

Step-by-step explanation:

since we have 8 possible positions, with 8 different candidates, then there are 8 possible ways of arranging the first position, 7 possible ways of arranging the Second position, 6 ways of arranging the 3rd position, 5 possible ways od arranging the 4th position, 4 possible ways of arranging the 5th position, 3 possible ways of arranging the 6th position, 2 possible ways of arranging the 7th position and just one way of arranging the 8th position since we have only one person left.

Hence, the Number of possible sample space for different 8 positions is by multiplying all the number of ways we have in our sample space which becomes:

8*7*6*5*4*3*2*1 = 40320.

b.) By the sample space we have, since we've been asked ti arrange for only the firat 3 positions, then we multiply just for the first 3ways of choosing the positions, this becomes:

8*7*6 = 336

5 0
3 years ago
If KL = 3x, LM = 4, and KM = 5x, what is KL?
Anton [14]

KL is 3x

You sure you didn’t mistype it, the question gives you the value for KL

8 0
4 years ago
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