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Eduardwww [97]
3 years ago
5

An expression containing a square or higher root is called

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
5 0

Answer:

radical expression

Step-by-step explanation:

Fiesta28 [93]3 years ago
4 0

Answer:

square root

Step-by-step explanation:

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If 3/5 of a number is 42,what is the twice number
JulsSmile [24]

Answer:

  140

Step-by-step explanation:

Let the number be represented by x. You are given ...

  (3/5)x = 42

Multiplying by 10/3 gives ...

  (10/3)(3/5)x = (10/3)(42)

 2x = 140 . . . . the value of twice the number

3 0
2 years ago
Read 2 more answers
brooke has scores of 84,72,90,87, and 95 on her first five quizzes. After taking the sixth quiz, brookes mean score increased. w
masya89 [10]

Answer:

Any number above 85.6

Step-by-step explanation:

To calculate the mean you add all of the scores together then divide by how many scores you added

So in this case you would add 84 + 72 + 90 + 87 + 95 = 428

Then you would Divide 428 by five because you are adding 5 numbers

428/5 = 85.6

It says the score increased so as long as then score is greater than 85.6 it is an option.

8 0
3 years ago
Read 2 more answers
After 3 minutes, a submarine had descended to −320 feet. After 8 minutes, the submarine had descended to −420 feet. Assuming a l
Alenkasestr [34]

Answer:

  d(t) = -20t -260

Step-by-step explanation:

We are given two points ...

  (t, d) = (3, -320) and (8, -420)

The 2-point form of the equation of a line can be useful when 2 points are given.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

Substituting the given points, we have ...

  d(t) = (-420 -(-320))/(8 -3)(t -3) -320

  d(t) = -20(t -3) -320

  d(t) = -20t -260

5 0
3 years ago
Plz help me!! I need explanation to help me understand a bit.
lozanna [386]
So the figure is called a ray. Which is when there’s a point and than an arrow extends off that point forever. But the way to write a ray is by putting an arrow above it.
3 0
2 years ago
The common minimum multiple between <br><br> A) 2,3 and 6<br> B) 8,9 and 12<br> C) -4,2 and 8
Elan Coil [88]
A 2,3 and 6. There you go. :)
8 0
3 years ago
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