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sergiy2304 [10]
3 years ago
13

Question:

Mathematics
1 answer:
Leno4ka [110]3 years ago
7 0
If the rockhopper penguin is 24 inches shorter then you take the height of the emperor penguin ( <span>45 inches tall.) 

then you take 45-24 which is 21

Answer </span>the rockhopper penguin is 21 inches tall

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3x^2+5x-28=0 solve this for me please
jok3333 [9.3K]

Answer:

x= 7/3

x=-4

Step-by-step explanation:

Use the quadratic formula

a= 3, b=5, c=-28

-5± \sqrt{5^2-4*3(-28)}

x= _________________

              2.3

Simplfy

x=\frac{-5+19}{6} \\x=\frac{-5-19}{6}

8 0
3 years ago
What position is the 9 in the number 9,32805
asambeis [7]
( I think there's a typo. The comma should be in between 2 and 8 )

The 9 is in the hundred thousands place.

932805
 5- ones
0- tens
8-hundreds
2-thousands
3-ten thousands
9-hundred thousands
7 0
3 years ago
Read 2 more answers
Solve for x: 2/3=8/x+6
Tresset [83]

Answer:

x = 6

Step-by-step explanation:

2/3=8/x+6

Using cross products

2 * (x+6) = 3*8

2(x+6) = 24

Divide by 2

x+6 =12

Subtract 6

x = 6

8 0
2 years ago
Read 2 more answers
Is 2.81 an irrational number
nekit [7.7K]

Answer:

No.

Step-by-step explanation:

It can be written as 2 81/100 or 281/100 so it is not irrational. An irrational number is a number that cannot be written as a ratio of two numbers

5 0
2 years ago
Read 2 more answers
Find X and y<br><br> 12, 16
zavuch27 [327]

Answer:

  • x = 6√2
  • y = 6√6

Step-by-step explanation:

The triangles are all similar, so corresponding sides are proportional.

__

<h3>x</h3>

  long side/short side = x/6 = 12/x

  x² = 72 . . . . . . . multiply by 6x

  x = 6√2 . . . . . . take the square root

__

<h3>y</h3>

  hypotenuse/long side = y/12 = (12+6)/y

  y² = 216 . . . . . multiply by 12y

  y = 6√6 . . . . . take the square root

8 0
2 years ago
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