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2 years ago

If JK = KL, find JL.

Mathematics

1 answer:

mafiozo [28]2 years ago

3 0

Answer:

umm your funny if u think im going to answer that im sorry but my brain is not working rn i prolly should go take a nap

Step-by-step explanation:

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Choose one of the factors of x^3 + 343.

Debora [2.8K]

First, note that $343=7^3.$ Then use the formula for the sum of perfect cubes:

$a^3+b^3=(a+b)(a^2-ab+b^2).$

Therefore,

$x^3 + 343=x^3+7^3=(x+7)(x^2-7x+49).$

The quadratic trinomial $x^2-7x+49$ couldn't be factored anymore, so the expression $x^3 + 343$ has two factors $x+7$ and $x^2-7x+49.$

Answer: correct choice is A.

3 0

3 years ago

Please help me wtih this question

k0ka [10]

Answer:

(-2, 3.5)

Step-by-step explanation:

8 0

3 years ago

There are 15 clowns in a circus. Each clown has to act either happy or sad. Twelve of the clowns have red noses. Each of the sev

Neko [114]

Answer:

Step-by-step explanation:

<em>Each of the seven happy clowns has a red nose.</em>

This means there are (15-7) 8 sad clowns.

<em>Five of the sad clowns have red noses. </em>

This means out of 8 sad clowns, 5 have red noses. So the clowns that have to act sad and have red noses are (8-5) 3.

6 0

2 years ago

Two boys searching for buried treasure are standing underneath the same tree. one boy walks 12 m east and then 12 m north. the o

mylen [45]

Let
The origin of coordinates the tree
r1 = vector position of the child 1.
r2 = vector position of the child 2
Child 1:
r1 = (12i + 12j)
Child 2:
r2 = (-18i + 11j)
The scalar product will be given by:
r1.r2 = ((12) * (- 18)) + ((12) * (11)) = - 84
The scalar product of their net displacements from the tree is -84m ^ 2

5 0

2 years ago

1/2 divided by 4 help meee

sveta [45]

Answer:1/2 ÷4 = 1/2 x 1/4 = 1 /8

Step-by-step explanation:

4 0

2 years ago

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