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daser333 [38]
2 years ago
9

Write an expression to represent the sum of the numbers in the nth row of Pascal’s triangle

Mathematics
2 answers:
Troyanec [42]2 years ago
6 0
B-n^2. :) your answer
rjkz [21]2 years ago
5 0

Answer:

c. 2^n

Step-by-step explanation:

just took the test

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-2x2 - x + 7 +x2 +4x-5
Arada [10]

Answer:

Need more?

Step-by-step explanation:

-x^2 + 3x + 2

Is this the answer?

6 0
3 years ago
in a xy-coordinate system line 1 has a slope of -3. If the points (2,16 and (5,t) are on line 1, what is the value of t?
Dimas [21]
We can use the formula y2-y1/x2-x1 to find our answer. So, we have : t-16/5-2 = -3. We simplify that to t-16/3 = -3. We can then multiply both sides by 3 to get t-16 = -9. Then we can add 16 to both sides to get t = 7.
8 0
2 years ago
Given the two points (2,4) and (-3,2), what is the slope of the line that goes through both of these points?
Andreyy89
With the formula: m=(y1-y2)/(x1-x2) you can sub in the values to get the slope (m).

m=(4-2)/(2-(-3))
   = 2/5

Therefore the slope is 2/5.
5 0
2 years ago
Read 2 more answers
Find the slope and the y-intercept of the line <br> Y=-5/4x+8
insens350 [35]

Explanation: This is a linear equation because it's written in slope-intercept form or <em>y = mx + b</em> where the multiplier or the coefficient of the x-term represents the slope of the line and the<em> b</em> represents the constant term.

So the slope will be the coefficient of the <em>x-term</em> which means the number that is in front of the <em>x</em> which in this case is -5/4.

The y-intercept is the constant term which is +8

7 0
3 years ago
Read 2 more answers
- 7th Grade Work -<br><br> Am I doing this correctly?
katrin2010 [14]

Answer:

yes i think

Step-by-step explanation:

5 0
3 years ago
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