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Grace [21]
3 years ago
13

The net of a cube is shown. What is the surface area of the cube?. Need help asap ill mark brainlest ​

Mathematics
1 answer:
andrey2020 [161]3 years ago
3 0

Answer:

the surface area is 150 inches

Step-by-step explanation:

Hope this helps :)

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wariber [46]

Answer:

I think right answer is integers

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3 years ago
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LekaFEV [45]
The third one: No, yes, no
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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
What is the common angle of triangle PQT and triangle RSQ?
Elodia [21]

we know that

The internal angles of the triangle PQT are

Angles

TPQ

PQT=SQR

QTP

The internal angles of the triangle RSQ are

Angles

SRQ

SQR=PQT

QSR

therefore

the answer is

angle\ PQT

6 0
3 years ago
Read 2 more answers
What is a mathmatical expression? give an example
Jobisdone [24]

Answer:

In algebra, we begin to see variables or letters that are used to represent numbers. An example of a mathematical expression with a variable is 2x + 3. In the expression 2x + 3, the coefficient of x is number 2, and it means 2 times x plus 3.

5 0
3 years ago
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