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denis23 [38]
3 years ago
8

I need help on this one. Thanks.

Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0
I think it would have to be an irrational number.
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Am I doing this right I’m trying to help my little brother with his math homework but I don’t remember how to do this and he wan
NeX [460]

Answer:

The least common multiple is 30. Hope that helps!!

Step-by-step explanation:

5 0
3 years ago
What do letters have to do in bisectors. ​
Alborosie

Answer:

The definition of a bisector is something that cuts an object into two equal parts. This "something" is usually a line or a segment.

Step-by-step explanation:

An angle bisector of a triangle divides the opposite side into two segments that are proportional to the other two sides of the triangle. to create similar triangles. ... An angle bisector is a ray in the interior of an angle forming two congruent angles.

6 0
3 years ago
D) x + y = 42 X-6 = 5 (-6)​
vovangra [49]

Answer: X = -24 Y = 66

Step-by-step explanation:

5(-6) = -30

X = 6 - 30 = -24

Y = 42 + 24 = 66

3 0
2 years ago
Read 2 more answers
Item 11
marysya [2.9K]

Answer:

4 ft higher

Step-by-step explanation:

Since the ladder is 10 ft long and its top is 6 feet high(above the ground), we find the distance of its base from the wall since these three (the ladder, wall and ground) form a right angled triangle. Let d be the distance from the wall to the ladder.

So, by Pythagoras' theorem,

10² = 6² + d²  (the length of the ladder is the hypotenuse side)

d² = 10² - 6²

d² = 100 - 36

d² = 64

d = √64

d = 8 ft

Since the ladder is moved so that the base of the ladder travels toward the wall twice the distance that the top of the ladder moves up.

Now, let x be the distance the top of the ladder is moved, the new height of top of the ladder is 6 + x. Since the base moves twice the distance the top of the ladder moves up, the new distance for our base is 8 - 2x(It reduces since it gets closer to the wall).

Now, applying Pythagoras' theorem to the ladder with these new lengths, we have

10² = (6 + x)² + (8 - 2x)²

Expanding the brackets, we have

100 = 36 + 12x + x² + 64 - 32x + 4x²

collecting like terms, we have

100 = 4x² + x² + 12x - 32x + 64 + 36

100 = 5x² - 20x + 100

Subtracting 100 from both sides, we have

100 - 100 = 5x² - 20x + 100 - 100

5x² - 20x = 0

Factorizing, we have

5x(x - 4) = 0

5x = 0 or x - 4 = 0

x = 0 or x = 4

The top of the ladder is thus 4 ft higher

7 0
3 years ago
brittany has a pack of 24 pencils, each pencil weighs 0.9 grams. how much does the pack of pencils weigh?
Sever21 [200]
The pack of pencils weighs 21.6 grams because 0.9 times 24 is 21.6 

7 0
3 years ago
Read 2 more answers
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