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Darina [25.2K]
3 years ago
6

Create a quadratic trinomial with zeros equal to 4 and 5

Mathematics
1 answer:
Ilya [14]3 years ago
5 0

Answer:

x^2 - 9x + 20

Step-by-step explanation:

(x - 4)(x - 5) (have to do the opposite for it to be positive)

FOIL method: X x X = x^2

-5 x X = -5x

-4 x X = -4x

x^2 - 5x - 4x + 20

-5 - 4 = -9 so...

x^2 - 9x +20 is the answer

You might be interested in
Please help me thank you
serious [3.7K]

Answer:

8x - 7y = 56

Step-by-step explanation:

in order for lines to be parallel they need to have the same slope, the easiest way to determine if they have the same slope is to change the equations into y = mx + b form by solving for y and seeing where m=8/7

so 8x - 7y = 56

-7y = 56 - 8x

y = 56/-7 -8x/-7

y = -8 + 8/7 x

5 0
3 years ago
Write a linear equation that passes through the point (2,9) and has a slope of -5.
dybincka [34]

Answer:

y=-5x + 19

Step-by-step explanation:

Slope-intercept form: y=mx+b

Plug in the point.

9=-5(2)+b

Simplify.

9=-10+b

Solve for b.

b = 19

Mark as brainliest if this helps :D

8 0
4 years ago
A total of 1,000 BTUs are needed to cool a space. If 2.5 BTUs are needed to cool 1 cubic foot of space, what is the maximum volu
padilas [110]

Answer:

  400 ft³

Step-by-step explanation:

Dimensional analysis can help you figure this out.

  (1000 BTU)/(2.5 BTU/ft³) = (1000/2.5) ft³ = 400 ft³

1000 BTU can cool up to 400 cubic feet of space.

4 0
4 years ago
Point A has the coordinates (3 - 7). Find the coordinates of A', the image of A after it has been translated left 4 units and do
TiliK225 [7]

Answer:  (-1,-9)

Step-by-step explanation:

If a point is translate up or down  it means your using the y coordinate an if a point is translated left or right your using the x coordinate.

So the x coordinate is  3  and is translated  to the left by 4 units so is moving back by 4 .

3-4 = -1  

The y coordinate is -7  and is also translated down by 2 units so it is also decreasing.

-7 -2 = -9  

so the image is  (-1,-9)

3 0
3 years ago
A bowl contains 13 total M&M's candies of only red and green. There are 3 more red than there are green. How many red? How m
Blababa [14]

Answer:

8 red & 5 green

Step-by-step explanation:

8 and 5 added together is 13

8 is 3 more than 5

4 0
3 years ago
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