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LiRa [457]
3 years ago
10

Please help me!! Lots of love!!

Mathematics
1 answer:
Marizza181 [45]3 years ago
4 0

Answer:

D) 2

Step-by-step explanation:

write 8 in exponential form which is 2^3

now simplyfy the root which equals 2

2 is the answer.

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Is -23 greater, less or equal than 23?
Juli2301 [7.4K]

-23 is less than 23.

6 0
4 years ago
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Suppose that, in some distant part of the universe, there is a star with four orbiting planets . One planet makes a trip around
WINSTONCH [101]

Answer: 90 Earth years.

Step-by-step explanation:

Analizing the information provided in the exercise, you need to find the Least Common Multiple (LCM) of the given numbers.

You can follow these steps:

1. You must descompose 6, 9, 15 and 18 into their prime factors:

6=2*3\\\\9=3*3=3^2\\\\15=3*5\\\\18=2*3*3=2*3^2

2. Finally, you need to choose the commons and non commons with their greatest exponents and multiply them. Then you get:

L.C.M=2*3^2*5=2*9*5\\\\L.C.M=90

Therefore, it will take 90 Earth years for them to all line up.

3 0
3 years ago
What number should be added to the expression x2+2x to change it into a perfect square trinomial?
coldgirl [10]

Answer:

Option A. 1

Step-by-step explanation:

we know that

A perfect square trinomial is equal to

(x+a)^{2}=x^{2}+2xa+a^{2}

In this problem we have

x^{2}+2x

equate the equations and solve for a

x^{2}+2x=x^{2}+2xa+a^{2}

so

2x=2xa

a=1

therefore

the perfect square trinomial is equal to (x+1)^{2}

5 0
3 years ago
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Please help me tysm !!​
ICE Princess25 [194]
The answer is 84
explanation is that i did math and have already done this before
5 0
3 years ago
Vanessa tried to prove that triangle KLM is congruent to triangle MNK. What is the first error Vanessa made in her proof?
Natali [406]

Answer:

Step-by-step explanation:

Vanessa only established some of the necessary conditions

5 0
3 years ago
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