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natima [27]
2 years ago
10

Help - Math Test-need answer immediately I’ll give brainliest.

Mathematics
2 answers:
gavmur [86]2 years ago
6 0

Answer:

maybe c

Step-by-step explanation:

ludmilkaskok [199]2 years ago
5 0

Answer:

The answer is C the 2 rectangles

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Suppose the point (a, b) lies in the first quadrant. Describe how you would move
RUDIKE [14]

Answer:

To move from (a, b) to (a, -b) move down 2b. The point (a, -b) would be in quadrant 4 and would be a reflection across the x-axis of the point (a, b)

Step-by-step explanation:

8 0
3 years ago
When interpreting graphs of real world situations, what can the slope of each part tell you about the situation
Nataly_w [17]
<span>When interpreting graphs of real world situations, the slope of each part tell you the average rate of change (increase or decrease) of the dependent variable with respect to the independent variable. This is, how much the dependent variable increased (or decrease) per each unit the independent varaible increased, in average.

slope = change in independent variable / change in dependent variable

slope = Δy / Δx
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7 0
2 years ago
Find the 7th term of the expansion of (3c + 2d)^9.
defon

Answer:

c

Step-by-step explanation:

Using Pascal's triangle, the expansion, although EXTREMELY lengthy, will help you find the 7th term.  I am going to type out the expansion only up til the 7th term (although there are actually 10 terms because we are raised to the power of 9).  If you would like to learn how to use Pascal's Triangle for binomial expansion, you will need to visit a good website that explains it because it's just too difficult to do it via this website.

The expasion is as follows (up to the 7th term):

1(3c)^{9} +9(3c)^{8}(2d)^{1} +36(3c)^{7}(2d)^{2} +84(3c)^6(2d)^3+126(3c)^5(2d)^4+126(3c)^4(2d)^5+84(3c)^3(2d)^6

That last term is the 7th term.  You find out its value by multiplying all the numbers together and adding on the c^3d^6.  Again those come from Pascal's triangle, and it's one of the coolest math things ever.  I encourage you to take the time to explore how it works.

5 0
3 years ago
Identify the errors the student made ​
uranmaximum [27]

Answer:

Second step: 2/2 does not give you 2.

It would be 2x + 1 - 4 = 3x - 3

Since he mess up on the second step, the following steps are also messed up

3 0
2 years ago
The circumference of a circular field is 241.78 yards. What is the radius of the field? Use 3.14 for it and do not round your an
Elena-2011 [213]

Answer:

38.5 yards

Step-by-step explanation:

The circumference is the diameter multiplied by pi, and the radius is half of the diameter. If we divide 241.37 by pi we get a diameter of 77, and half of that is the radius, which is 38.5.

5 0
2 years ago
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