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Anni [7]
3 years ago
5

Terrence plants a garden that has 8 rows of flowers, with 28 flower each row. How many flowers did Terrence plant?

Mathematics
2 answers:
castortr0y [4]3 years ago
6 0

Answer:

3.5

Step-by-step explanation:

28 divided by 8 can't go in evenly so he has to plant 4.

My name is Ann [436]3 years ago
5 0

28 * 8 = 224

Terrence planted 224 plants.

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You throw a ball up and its height h can be tracked using the equation h=2x^2-12x+20.
postnew [5]

<em><u>This problem seems to be wrong because no minimum point was found and no point of landing exists</u></em>

Answer:

1) There is no maximum height

2) The ball will never land

Step-by-step explanation:

<u>Derivatives</u>

Sometimes we need to find the maximum or minimum value of a function in a given interval. The derivative is a very handy tool for this task. We only have to compute the first derivative f' and have it equal to 0. That will give us the critical points.

Then, compute the second derivative f'' and evaluate the critical points in there. The criteria establish that

If f''(a) is positive, then x=a is a minimum

If f''(a) is negative, then x=a is a maximum

1)

The function provided in the question is

h(x)=2x^2-12x+20

Let's find the first derivative

h'(x)=4x-12

solving h'=0:

4x-12=0

x=3

Computing h''

h''(x)=4

It means that no matter the value of x, the second derivative is always positive, so x=3 is a minimum. The function doesn't have a local maximum or the ball will never reach a maximum height

2)

To find when will the ball land, we set h=0

2x^2-12x+20=0

Simplifying by 2

x^2-6x+10=0

Completing squares

x^2-6x+9+10-9=0

Factoring and rearranging

(x-3)^2=-1

There is no real value of x to solve the above equation, so the ball will never land.

This problem seems to be wrong because no minimum point was found and no point of landing exists

3 0
3 years ago
HELP IM TIMED I WILL GIVE YOU BRAINLIEST!!!! The ordered pairs graphed are all equivalent ratios. What ordered pair is missing f
irina [24]

The answer is D because The ordered pairs graphed are (2,3), (6,9), and (8,12). They all have a ratio of 2 to 3. Which means each point is 2 larger on the x-axis and 3 larger on the y-axis than the previous point. The point that is missing is (4,6) since 2 + 2 = 4 and 3 + 3 = 6.

8 0
3 years ago
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Evaluate 2x + 1 when x = 7.
Tatiana [17]

Answer:

15

Step-by-step explanation:

8 0
3 years ago
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16 skateboards to 2 skateboards
allochka39001 [22]
Hey is there more info

3 0
3 years ago
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Graph the function f(x)=3/2x−4. Use the line tool and select two points to graph.
iris [78.8K]

Answer:

Two points on the graph would be (2,-1) and (4,2).

Step-by-step explanation:

You can choose two random x variables such as how i selected 2 and 4. if you change the variable x to those values you can solve for y or in this case f(x).

EX:

3/2*2-4

6/2-4

3-4

f(x)= -1

4 0
3 years ago
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