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erastovalidia [21]
3 years ago
7

What is the equation of the line with m=2.5 and b=7

Mathematics
1 answer:
mr Goodwill [35]3 years ago
4 0

Y=2.5x+b

Skeleton equation: y=mx+b

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1. What is the simplified form of the following expression? <br><br> 12x
eimsori [14]

12x² - 3.5y + 10y + 1.5x² + y       Combine like terms

13.5x² + 7.5y

3 0
3 years ago
i have been struggling for this work that has been assigned to me at the first day of school after a long time.
maria [59]

Answer:

Fill the gaps in this sequence:

25 36 <u>49</u> 64 81 <u>100</u>

This sequence is the numbers 5, 6, 7, 8, 9, and 10 squared.

Work out the cube root of 343, then square it.

<u>49</u>

Since 7 cubed equals 343, then 7 squared is 49.

When you subtract one square number from another the answer is 7.

What are the two square numbers?

<u>16</u> and <u>9</u>

These are the only squares that fit the criteria.

Write down a number you can square to give an answer bigger than 200 but smaller than 300.

<u>15, 16, 17</u>

All of those answers work. 15² is 225, 16² is 256, and 17² is 289. You can choose any of them to enter in and it should work.

7 0
3 years ago
Sorry really bad with fractions!! Help
earnstyle [38]
X/4 + 1 = -6 
x/4 = -6 -1 
x/4 = -7 
x= -28 
3 0
3 years ago
Read 2 more answers
After grabbing some food from the cafeteria, Ray trips causing his food to go up in the air before hitting the ground. The parab
Dahasolnce [82]

The maximum height of the tray is 1.8 meters and the tray is in the air for 2 seconds

<h3>The maximum height of the tray</h3>

The distorted information (i.e. the function) in the question is:

h(t) = -0.2t^2 + 0.4t + 1.6

Differentiate the function

h'(t) = -0.4t + 0.4

Set to 0

-0.4t + 0.4 = 0

Subtract 0.4 from both sides

-0.4t = -0.4

Divide by -0.4

t = 1

Substitute t = 1 in h(t) = -0.2t^2 + 0.4t + 1.6

h(1) = -0.2(1)^2 + 0.4(1) + 1.6

Evaluate

h(1) = 1.8

Hence, the maximum height of the tray is 1.8 meters

<h3>Time spent in the air</h3>

In (a), we have:

t = 1

This represents the time to reach the maximum height.

The time spent in the air is:

T = 2t

This gives

T = 2 * 1

T = 2

Hence, the tray is in the air for 2 seconds

Read more about quadratic functions at:

brainly.com/question/11535666

#SPJ1

7 0
1 year ago
One might be as small as 0.000000314 meter in length.how is this length expressed in scientific notation?
devlian [24]

Answer:

3.14 x 10^-7

Step-by-step explanation:

move the decimal behind the first significant figure and count the amount of spaces from there to the original decimal place

5 0
3 years ago
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