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beks73 [17]
3 years ago
7

a forester plants a tree and measure its circumference is yearly over the next four years the table shows the foresters measurem

ents. Show the data are linear and write an equation that models the data. predict the circumference of the tree after 10 years was actually 43in after four more years the circumference was 49 in based on this new information does the relationship between time in circumference continue to be linear? Explain?
Mathematics
1 answer:
Leokris [45]3 years ago
5 0
The thing is that every 4 years, the tree grows 6 inches, so that could be expressed as a ratio, 4/6. That also means that every two years, the tree grows 3 inches since it could be simplified to 2/3.
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When principal = Rs x, Time = y years and Rate = z% per year, calculate the simple interest.
Marianna [84]

Answer:

X×Y×Z%/100

Step-by-step explanation:

using formula

si=p×t×r%/100

3 0
3 years ago
To divide 1.89 ÷ 0.9, we need to change it. Choose the correct problem below to show what the “new” look would be.
Arlecino [84]

Answer:

D. 18.9 ÷ 9

Step-by-step explanation:

we need to divide

1.89 ÷ 0.9 but write it in different form

so ,we need to eliminate decimal from 0.9

as 0.9*10 = 9

thus,we multiply both  1.89 and  0.9 with 10, then we will have

(1.89*10) ÷ (0.9*10)

=> 18.9 ÷ 9

Thus, based on above calculation new look would be D. 18.9 ÷ 9

8 0
3 years ago
QUICK HELP PLEASE!!!!
Andrew [12]

h = 2t - d

multiply both sides by 2 to eliminate the fraction

2t = d + h

subtract d from both sides

2t - d = h ⇒ h = 2t - d


4 0
3 years ago
According to data from the state blood program, 40 percent of all individuals have group A blood. Suppose that of six randomly s
Svet_ta [14]

Answer:

b. Yes, probability is > 0.05

Step-by-step explanation:

We have to find P(X=3) and if the probability is below 0.05 then the it would be unusual and if it isn't below 0.05 we believe that the data from the blood program.

This probability can be found bu binomial distribution  with parameters  n=6

and p=0.4.

P(X=x)=nCx(p^x)(q^n-x)

where q=1-p=1-0.4=0.6.

P(X=3)=6C3(0.4^3)(0.6^3)

P(X=3)=20(0.064)(0.216)

P(X=3)=0.27648

As the probability that the three have a blood group is greater than 0.05, so,  we believe that the data from the blood program.

8 0
4 years ago
What is the value of -7(x²-6)+2y when x=2 and y=-6?<br> OB) 0<br> OC) 1<br> OD 2<br> N<br> hurry
mote1985 [20]

Answer:

2

Step-by-step explanation:

Fill in the x and y with the values you are trying to find.

-7(2^2 -6)+2(-6)

distribute the -7 and 2 into the parenthesis after squaring the 2.

(-28+42)-12

simplify

14-12

OD) 2

I hope this helps

6 0
3 years ago
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