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sweet [91]
2 years ago
14

The expansion of (1 + px +qx2)8 is 1 + 8x + 52x² + kx³+... . Calculate the values of p, q and k.

Mathematics
1 answer:
trasher [3.6K]2 years ago
4 0

Answer:

i think you have to multiply

Step-by-step explanation:

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garik1379 [7]

Answer:

1.) 2.5 meters a second

Step-by-step explanation:

1 min 12 seconds is 72 seconds. 28 meters on 72 seconds. 28×2.5=72

8 0
3 years ago
What is the y-intercept of the following equation of y = 2x - 5?
ANTONII [103]

Answer:

-5

Step-by-step explanation:

The last number is always the y intercept. This number is -5 in this case.

7 0
3 years ago
Find the value of x in the figure
MA_775_DIABLO [31]

Answer:

x = 100

Step-by-step explanation:

57 \degree + (x + 23) \degree = 180 \degree..(straight \: line \:  \angle s) \\ (x + 80) \degree = 180 \degree \\ x + 80 = 180 \\ x = 180 - 80 \\  \huge \red{ \boxed{x = 100}}

6 0
3 years ago
Read 2 more answers
How to find the missing lengths of a partelogram
Levart [38]

Answer:

Below.

Step-by-step explanation:

The area = the height (h) times the base.

So Q2:

21 = h * 7

h = 21/7 = 3

55 = b * 5

b = 11.

18.75 = h * 7.5

h = 18.75 / 7.5

= 2.5.

6 0
2 years ago
What effect does replacing x with x + 2 have on the graph for the function f(x) ?
IrinaK [193]
The answer is A.

When replacing the variable 'x' by 'x + 2' the graph is shifted 2 units to the left. When we replace the variable, the function changes

from
f(x) = |x - 3| + 2

To
f(x) = |(x + 2) - 3| + 2
f(x) = |x - 1| + 2

And therefore the function is shifted 2 to the left.
3 0
3 years ago
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