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Arturiano [62]
3 years ago
13

Question 7 (3 points) This scatter plot shows the number of trees planted and the amount of time that has passed (in hours). Bas

ed on the information in the scatter plot, what is the best prediction for the number of trees that will be planted after 12 hours? Question 7 options:
13 trees
18 trees
7 trees
4 trees

Mathematics
1 answer:
Alexandra [31]3 years ago
7 0

Answer:

According to the scatter plot given, and studying that, we get that the most likely number of trees planted in 12 hours will be 13 trees.

Hope my answer helps :)

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Find the minimum y-value on the graph y=f(x) <br> f(x)= x^2+4x-5
djverab [1.8K]
There are two ways to solve the problem: using calculus and algebra. For this, I'll be using the algebraic way. The function is parabolic, thus the minimum value is the ordinate of the vertex. Using completing the square, we could get the vertex of the parabola.

y = x^2 + 4x - 5y = x^2 + 4x + 4 - 5 - 4y = (x + 2)^2 - 9Vertex is (-2, -9). 

Therefore, the minimum value is -9.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

8 0
4 years ago
In 1990 the population of boston Massachusetts was 574,283.in 2000,the pipulation was 589141.what is the percent of change in po
AnnyKZ [126]

Answer:

<em>The percent of change in population was 2.58%</em>

Step-by-step explanation:

<u>Percentage calculations</u>

The percent of change of some quantity is the relation between the difference of its values with respect to the original value. That is, if something had a value of V_o and then it had a value of V_f, the change is V_f-V_o, the ratio of change is

\displaystyle \frac{V_f-V_o}{V_o}=\frac{V_f}{V_o}-1

And the percent of change is

\displaystyle 100\left (\frac{V_f}{V_o}-1 \right )

If this number is positive, the change was an increase. If is negative it was a decrease

The population of Boston Massachusetts was 574,283 and changed to \displaystyle 100\left (\frac{589,141}{574,283}-1 \right ).

The percent of change is

100(1.0258-1)=2.58\%

The percent of change in population was 2.58%

7 0
4 years ago
Solve the system of equations.<br> - 5x + 2y = 9<br> Y = 78<br> =
Oksi-84 [34.3K]

Answer:

x = 147/5 and y = 78

Step-by-step explanation:

First solve by substitution and put 78 into y in -5x + 2y = 9 so you get 147/5

then plug 147/5 into x and find y

7 0
3 years ago
Read 2 more answers
2x^2(-5x^2-4)+4x^4 in simplist form, plz help
Vikki [24]

Answer:

-6x^4-8x^2 or -2x^2(3x^2+4)

Step-by-step explanation:

Given expression is:

2x^2(-5x^2-4)+4x^4

In order to write the expression in simplest form we have to multiply the terms which needs to be multiplied.

So,

= -10x^4-8x^2+4x^4

Combining alike terms

= -10x^4+4x^4-8x^2\\=-6x^4-8x^2\\

Can also be written as:

= -2x^2(3x^2+4)

3 0
3 years ago
Read 2 more answers
Write a SIMPLIFIED expression that accurately represents: The sum of 5 times x, 14 and the product of 8 and x.
Alexus [3.1K]

Answer:

13x + 14

Step-by-step explanation:

Sum means add, so it'd be 5x + 14 + 8x.

Next, you'd have to add 5x + 8x which is 13x

The ending result would be 13x + 14

Hope this helps!!

<em>stay safe :))))</em>

6 0
4 years ago
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