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NikAS [45]
3 years ago
8

The mean height of plants is 18 inches. The height of seven plants are 12 inches, 13 inches, 15 inches, 15 inches, 17 inches, 23

inches, and 24 inches. Find the height of the eighth plant.
Mathematics
1 answer:
ahrayia [7]3 years ago
3 0

Answer:

25 inches

Step-by-step explanation:

i first started with 18×8=144 then i did 144-119 and got 25.

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Santiago is building a skateboarding ramp by propping the end of a piece of wood on a cinder block. If the ramp begins 63 centim
tensa zangetsu [6.8K]

Answer:

65 cm

Step-by-step explanation:

See the attached image.  The Pythagorean Theorem says in a right triangle, (leg)^2 + (leg)^2 = (hypotenuse)^2.

16^2+63^2=x^2\\256+3969=x^2\\4225=x^2\\x=\sqrt4225}\\x=65

3 0
3 years ago
Please Help me I really need it :)
lapo4ka [179]

Answer:

C

Step-by-step explanation:

For the given intervals

( - ∞, - 5) ← use any value < - 5 but not - 5, the parenthesis ) indicates that x is less than - 5 but not equal to - 5

(- 5, - 1) ← - 4, - 3, - 2 can be used but not - 5 or - 1

(- 1, 4) ← 0, 1, 2, 3 can be used but not - 1 or 4

(4, ∞ ) ← use any value > 4 but not 4

Hence

3 can be used in (- 1, 4)

- 6 can be used in (- ∞, - 5)

zero can be used in (- 1, 4)

- 5 cannot be used in any of the given intervals

5 0
3 years ago
A scientist is studying a certain strain of bacteria that grows at an exponential rate, doubling each cell every 5 minutes. Imag
riadik2000 [5.3K]
Not sure if the question is complete, but if the cell doubles every five minutes, you must first double the one, then simply square the answer every five minutes. 
3 0
4 years ago
A=14+(n-1)(8) solve please step by step
Rashid [163]

Answer:

a = 8n + 6

Step-by-step explanation:

<u>Step 1:  Distribute</u>

<u />a = 14 + (n - 1)(8)

a = 14 + (8 * n) + (8 * -1)

a = 14 + 8n - 8

a = 8n + 6

Answer:  a = 8n + 6

5 0
3 years ago
Read 2 more answers
A tree initially measured 3812 feet tall. Over the next 512 years, it grew to a final height of 4912 feet. During those 512 year
Arlecino [84]

Answer:

2 feet per year

Step-by-step explanation:

I think you meant 38 1/2

and 5 1/2

but if you didn't then its

2.1484375

because

4912-3812=1100

1100÷512= 2.1484375

3 0
3 years ago
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