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MArishka [77]
4 years ago
14

Instructions: Select the correct answer from each drop-down menu. PLEASE HELP ME!!!!

Mathematics
1 answer:
MA_775_DIABLO [31]4 years ago
8 0
MY ANSWER IS 58/9 -4
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Amalia and Alec are studying the growth of a plant over time. They measure the height of the plant at the end of each week for s
EleoNora [17]

After 7 weeks the plant will 11.25 units tall if the equation for the best-fit line to be y = 2.5 + 1.25x.

<h3>What is the line of best fit?</h3>

A mathematical notion called the line of the best fit connects points spread throughout a graph. It's a type of linear regression that uses scatter data to figure out the best way to define the dots' relationship.

\rm m = \dfrac{n\sum xy-\sum x \sum y}{n\sum x^2 - (\sum x)^2} \\\\\rm c = \dfrac{\sum y -m \sum x}{n}

We have a line of best fit:

y = 2.5 + 1.25x

Plug x = 7 weeks

y = 2.5 + 1.25(7)

y = 11.25 units

Thus, after 7 weeks the plant will 11.25 units tall if the equation for the best-fit line to be y = 2.5 + 1.25x.

Learn more about the line of best fit here:

brainly.com/question/14279419

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3 years ago
Choose the inequality that matches this graph <br><br> A. n&gt; -3<br><br> B. n&lt; -3
Alex Ar [27]
Answer B is the correct answer ;p

4 0
3 years ago
Is it addition<br>subtraction <br>multiplication <br>division ​
Sunny_sXe [5.5K]
Step 2 subtract
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3 years ago
Select all the expressions that are equivalent to -36x+54y−90.
CaHeK987 [17]

Answer:

b) -18(2x -3y + 5)

d) 18(-2x + 3y - 5)

e) -2(18x - 27y + 45)

Step-by-step explanation:

a) -9( 4x - 6y - 10) = -36x + 54y + 90 not equal

b) -18(2x - 3y + 5) = -36x + 54y - 90 equal

c) -6(6x + 9y - 15) = -36x - 54y + 90 not equal

d) 18(-2x + 3y - 5) = -36x + 54y - 90 equal

e) -2(18x - 27y + 45) = -36x + 54y - 90 equal

f) 2(-18x + 54y - 90) = -36x + 108y - 180 not equal

7 0
3 years ago
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The measure of one angle of a right triangle is 38∘ more than the measure of the smallest angle. Find the measures of all three
Semmy [17]

Answer:

57

Step-by-step explanation:

the smallest angle

6 0
4 years ago
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