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butalik [34]
3 years ago
9

Please help!!! 25 points! Which of these numbers are irrational?

Mathematics
1 answer:
Aleks04 [339]3 years ago
3 0

I belive that b is the answer.

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Which expression has a value that is equivalent to 5n + 13 when n=−5 ?
Orlov [11]
5(-5)+13=-25+13=-12
the answer would be 4n+8
hope this helps!
8 0
3 years ago
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Sketch the points (0,5,2),(4,0,-1),(2,4,6) and(1,-1,2) o a single set of coordinate axes?
nordsb [41]

Explanation:

As points have three coordinates i.e. x, y and z hence the sketch of the given four points is drawn in 3D shape and for that picture is attached here with this answer.

Points are given in the format as below

(value of x-coordinate , value of y-coordinate , value of z-coordinate)

In the attachment:

Point A = (0,5,2) (in blue color)

Point B = (4,0,-1) (in purple color)

Point C = (2,4,6) (in orange color)

Point D = (1,-1,2) (in black color)

7 0
3 years ago
-3/2t=-9 please help. its for a test
11111nata11111 [884]

-\frac{3}{2}t=-9\\\\t=-9:(-\frac{3}{2})\\\\t=-9\cdot(-\frac{2}{3})\\\\t=\frac{18}{3}\rightarrow\boxed{t=6}

3 0
3 years ago
Read 2 more answers
Solve for the given time.
Fittoniya [83]

Answer:

45158

Step-by-step explanation:

Since the colony grows at a rate of 12%, after 2 years there will be 36000\cdot 1.12^2 = 45158.4 bacteria. Since you probably can't have part of a bacteria, you round to 45158.

5 0
3 years ago
Read 2 more answers
In a study of
o-na [289]
We know that:
Mean = 82 mm and SD = 10 mm ( standard deviation )
82 - 3 * SD = 82 - 3 * 10 = 82 - 30 = 52 mm
82 + 3 * SD = 82 + 3 * 10 = 82 + 30 = 112 mm
Population between 52 and 112 mm is within +/- 3 standard deviations from the mean.
By the 66- 95 - 99.7 % rule it is: 99.7% of the test group.
0.977 * 500 = 498.5
Answer:
99.7 % of the test group have a diastolic pressure between 52 and 112 mm, or 498 men. 
5 0
3 years ago
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