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4 years ago

The expression below is the factorization of what trinomial? -1(x - 6)(x + 8)

Mathematics

1 answer:

Contact [7]4 years ago

5 0

Solve

-1(x-6)(x+8)

-1(x^2+8x-6x-48)

-1(x^2+2x-48)

-x^2-2x+48

Hope this helps :-)

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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.

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

6x - 12y = 15 2x - 4y = 6

vampirchik [111]

Refer to the attachment

3 0

3 years ago

Read 2 more answers

When I double my number and then subtract the result from five , I get negative one. What is my number? Write and solve an equat

Vikentia [17]

Answer:

Step-by-step explanation:

5-2x=-1

(x is your number)

5-5=0

-1-5=-6

-2x=-6

-2x/-2=x

-6/-2=3

x=3

3 0

3 years ago

Solve for x, full steps

xxMikexx [17]

Answer:

x =34.56°

Step-by-step explanation:

adjacent/ hypotenuse =cosx

cosx = 14/17

x = $cos^{-1}$ (14/17)

x =34.56°

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3 years ago

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A coordinate grid is shown below. 12 11 -1 0 -1 -2 Part A: Which point represents the origin? (2 points) Part B: Starting from t

Veronika [31]

Answer:

Part A: Which point represents the origin?

The origin is the point with both zero coordinates: (0, 0)

Part B: Starting from the origin, explain how to plot the following three points accurately (1,-1) (-1.1.25) (-2,3).

Reference point is the origin for below.

(1,-1) - go right by 1 unit and down by 1 unit, plot the point
(-1.1.25)- go left by 1 unit and up by 1.25 or 1 and 1/4 units, plot the point
(-2,3) - go left by 2 units and up by 3 units and plot the point

7 0

3 years ago