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Hunter-Best [27]
3 years ago
10

The number of branches on a large tree after the year 2000 is represented by the following table:

Mathematics
2 answers:
Leya [2.2K]3 years ago
7 0

Answer:

B(t)= 16x (1.2)^2

Step-by-step explanation:

xenn [34]3 years ago
7 0

Answer:

B(t)= 16x (1.2)^2

Step-by-step explanation:

khan academy HIGH-key told me

but didn't at the same time

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Solve the system. Please help!
Rufina [12.5K]

Answer:

y = 3, -3

x = 6, -6

Step-by-step explanation:


4 0
3 years ago
The manufacturer of official NFL footballs uses a machine to inflate its new balls to a pressure of 13.5 pounds. When the machin
Dmitriy789 [7]

Answer:

106

Step-by-step explanation:

Given that:

Mean (m) = 13.5 pounds

Error margin = 0.025

α = 99%

Variation interval = range = 13.3 to 13.7

Standard deviation (σ) estimate from range :

Range / 4

(13.7 - 13.3) /4

= 0.4 / 4

= 0.1

Zcritical at 99% = 2.576

Using the formula :

Sample size (n) = [ (Zcritical * σ) / M. E]^2

n = [(2.576 * 0.1) / 0.025]^2

n = (0.2576 / 0.025)

n = 10.304^2

n = 106.172

n = 107 samples

5 0
3 years ago
X^2-2xy+y2 is a polynomial of ___________variable?
fgiga [73]

Answer:

x and y

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
You want to purchase a pair of shoes for at least $150. You have $55 so far. You earn $10.00 per hour at your job write an inequ
VikaD [51]
55+10.00x ≥ 150 x ≥ 9.5 hours I hope that helps
7 0
3 years ago
Abbie decides to start doing crunches as part of her daily workout. She decides to do 15 crunches the first day and then increas
Pavlova-9 [17]
For this case, the first thing we must do is define a variable.
 We have then:
 n: number of days.
 We now write the explicit formula that represents the problem.
 We have then:
 an = 4n + 15
 Where,
 15: crunches the first day
 4: increase the number 4 each day
 Answer:
 
An explicit formula for the number of crunches Abbie will do on day n is:
 
an = 4n + 15
3 0
3 years ago
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