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shepuryov [24]
3 years ago
12

A number N plus 7 is less than or equal to 9

Mathematics
1 answer:
OLEGan [10]3 years ago
5 0
N+7=9 plus means addition and less than or equal to tells that we don't know the value of N
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The graph shows the heights, y (in centimeters), of a plant after a certain number of weeks, x. Donna drew the line of best fit
Nezavi [6.7K]

Using the given linear function of best-fit, the most likely approximate height of the plant after 8 weeks would be of 7.4 centimeters.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The line of best-fit goes through points (0,1) and (5,5). Point (0,1) means that the y-intercept is of b = 1. The slope is given as follows:

m = (5 - 1)/(5 - 0) = 4/5 = 0.8.

Hence the equation that gives the approximate height after x weeks is:

y = 0.8x + 1.

After 8 weeks, the expected height is:

y = 0.8 x 8 + 1 = 6.4 + 1 = 7.4 centimeters.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

4 0
2 years ago
Can someone help my sis on these questions? I dont remember how to do these things (part 1)
NNADVOKAT [17]

Answer:

Read below for each answer! (^-^)

Step-by-step explanation:

1: You got the first one right. The explanation does explain why but think about 0 as the surface of the water to better understand.

2: -3; it is between 2 and 4 with only one line through it meaning that it is -3.

3: 7. That's the greatest number both can divide into it.

4: The last one. Any positive number is greater than a negative one and peanut butter's freezing point is positive while the other one's is not.

5: You got it right again! -(-1) has two negatives. Two negatives (mostly) make a positive. So positive 1! Now describe that on a number line.

Hope this helps!

4 0
3 years ago
Solve the following equation. Then place the correct number in the box provided. x/1.2=15
Schach [20]

Answer:

x = 18.

Step-by-step explanation:

x / 1.2 = 15

To isolate x we multiply both sides of ther equation by 1.2:

x = 15 * 1.2

x =  18 (answer).

7 0
3 years ago
Read 2 more answers
PLEASE HELP ILL MARK BRAILEST
lbvjy [14]

Answer:

it is around 51

Step-by-step explanation:

sorry i'm doing this again, my answer got deleted :(

5 0
3 years ago
Read 2 more answers
Explain why the remaining figures( BESIDES D ) are not nets.​
oksano4ka [1.4K]

Step-by-step explanation:

A) there are only five rectangles

B) when you fold it together two pieces will overlap

C) im not sure for this cuz it seems to me this is a net

D) N/A

E) same as (B), when you fold it together two pieces will overlap

6 0
3 years ago
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