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agasfer [191]
2 years ago
11

Factorise 3a2 (squared) - 7a What’s the answer? Don’t use the calculator.

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
5 0

Step-by-step explanation:

{3a}^{2}  - 7a \\ a(3a - 7) \\  \\  \\  \\  \\  \\ hope \: it \: helps \\ stay \: safe \: healthy \: and \: happy

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The equation of the line of best fit of a scatter plot is y = 12x + 7. What is the slope of the equation? −12 −7 12 7
BabaBlast [244]
Well,

Slope-intercept form is given as follows:
y = mx + b

In this equation, "m" is the slope, and "b" is the y-intercept.

y = 12x + 7

We can clearly see that the 12 in the equation is the "m" in the general slope-intercept form.

Therefore, the slope of the equation is 12.
6 0
3 years ago
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This Stem-and-Leaf Plot shows the amount of rainfall received in centimeters in each month. What is the median of this data set?
WARRIOR [948]

Answer:

55.5 B

Step-by-step explanation:

We have the following points of data

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If we find the middle number we'll see that it's between 55 and 56. When this is the case you find the average of  the two numbers (add them and divide by 2)

(55+56)/2=55.5

3 0
3 years ago
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Identify vertex and y-intercept of graph of function y= -3(x+2)^2+5
Doss [256]
Hello,

Vertex=(-2,5)
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3 0
3 years ago
how many days will it take a 14 year old boy to clean up trash for 12.5 hours at a low temperature of 47 degrees and high temper
GuDViN [60]

Answer:

It will take half of a day

Step-by-step explanation:

Since 12.5 is roughly half of the day, no matter what temperature is, it will take you this amount of time. You also need to include the time that you will use to take breaks and eat meals.

6 0
3 years ago
What does this mean!
DENIUS [597]
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Below, I have attached an example graph that may help you understand.

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3 years ago
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