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lina2011 [118]
2 years ago
6

??????Help????????????

Mathematics
1 answer:
natali 33 [55]2 years ago
4 0

Description:

The exact decimal equivalent of 7/12 will be 0.583.

Steps:

1: Divide the numerator by the denominator

2: Then complete long division.

3: In this case the answer will lead up to 0.583

Answer:

7/12 = 0.583

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Tim is investigating the relationship between the number of years since a tree was planted and the height of the tree in feet. H
wolverine [178]

Answer: There is not a good prediction for the height of the tree when it is 100 years old because the prediction given by the trend line produced by the regression calculator probably is not valid that far in the future.

Step-by-step explanation:

Years since tree was planted (x) - - - - height (y)

2 - - - - 17

3 - - - - 25

5 - - - 42

6 - - - - 47

7 - - - 54

9 - - - 69

Using a regression calculator :

The height of tree can be modeled by the equation : ŷ = 7.36X + 3.08

With y being the predicted variable; 7.36 being the slope and 3.08 as the intercept.

X is the independent variable which is used in calculating the value of y.

Predicted height when years since tree was planted(x) = 100

ŷ = 7.36X + 3.08

ŷ = 7.36(100) + 3.08

y = 736 + 3.08

y = 739.08

Forward prediction of 100 years produced by the trendline would probably give an invalid value because the trendline only models a range of 9 years prediction. However, a linear regression equation isn't the best for making prediction that far in into the future.

3 0
3 years ago
Subtract -13xy from -5xy so<br> -5xy -(-13xy)=?
S_A_V [24]

Answer:

8xy

Step-by-step explanation:

Subtract -13xy from -5xy

-5xy - (-13xy) =

-5xy + 13xy =

8xy

<em>good luck, i hope this helps:)</em>

3 0
2 years ago
Read 2 more answers
What is pemdas? algebra 1
Hunter-Best [27]

Answer:

p=Parentheses

e=Exponents

m=Multiplication

d=Division

a=Addition

s=Subtraction

its an order of solving a equation

4 0
1 year ago
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The perimeter of a rectangle is 354 km. Its side lengths are 81 km, 81 km, and 96 km. The fourth side length is given as "f" km.
k0ka [10]

The fourth side = f, now let's solve for f

  • f + 81 + 81 + 96 = 354

  • f + 258 = 354

  • f = 354 - 258

  • f = 96

value of fourth side = f = 96 km

8 0
3 years ago
Read 2 more answers
1.6k = 3.2 need help solving
Artemon [7]
If it is the decimals that are giving you trouble, you can multiply both sides by 10, giving you 16k=32
To find k you divide both sides by 16
(16k)/16=(32)/16
The 16's cancel out, and the 32/16 becomes 2.
Final answer:
K=2
5 0
3 years ago
Read 2 more answers
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