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mafiozo [28]
2 years ago
9

3x4 + 7x3 - x2 - 4x + 8

Mathematics
2 answers:
Masja [62]2 years ago
8 0
41-6x
Negative 6x for info
Savatey [412]2 years ago
7 0
Sorry I don’t know the answer I am just to see my points because they are negative and am trying something I am so sorry :((( what the question mark BRAINLIST
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The graph models the linear relationship between the temperature of Earth's atmosphere and the altitude above sea level. Earth's
Natali5045456 [20]

Answer:

A. -6.5°C/km

Step-by-step explanation:

It's easier to find slope if we can locate two points.

Looking at the graph, it looks like it passes through the points (4, -10) and (7,-30).

To find the slope, we divide the difference of the y-coordinates by the difference of the x-coordinates. Here, the difference in the y-coordinates is:

-10 - (-30) = -10 + 30 = 20

The difference in the x-coordinates is:

4 - 7 = -3

So, the slope is:

20/(-3) = -20/3 ≈ -6.67

This is the closest to the first answer choice, -6.5°C/km, so that is the answer.

8 0
3 years ago
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Evaluate the expression.
Alekssandra [29.7K]

Step-by-step explanation:

9.(12/3)²

9.(144/9)

[The 9 in numerator and the 9 in denominator can be cancelled]

144

the answer is 144

Please mark me as brainliest

4 0
1 year ago
7n+6=42-9. <br> Please help me with this math equation
ycow [4]
The answer is n=5. I worked it out
3 0
3 years ago
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you can buy 3 apples at the quick market for $1.05 .You can buy 5 of the same apples at stop and save for $1.00 . which is the b
worty [1.4K]

Obviously the 5 apples for $1.00 is the better buy. You are getting more apples for less money.

5 0
3 years ago
Simplify the expression below.
QveST [7]

Answer:

(c)

Step-by-step explanation:

x^3+3 = x^6

hope it helped :)

5 0
2 years ago
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