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ollegr [7]
1 year ago
11

Question 1 of 10

Mathematics
1 answer:
Sonbull [250]1 year ago
8 0

The statement regarding the expansion of (x + y)" that is correct is D. The coefficients of yn - 1 and yn – 1 both equal 1.

<h3>How to expand?</h3>

It should be noted that for any positive integer, n, the expression of (x + y)^n will be C(n,0)x^n + C+n, 1)x^n-1 .... C(n, n)y^n.

Here, the statement regarding the expansion of (x + y)" that is correct is that the coefficients of yn - 1 and yn – 1 is both equal to 1.

Learn more about expansion on:

brainly.com/question/29114

#SPJ1

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If departure time of a train is 03 45 and arrival time is 04 50. What will be the journey time? * A)1 h 20 min B)1 h 10 min C)1
olya-2409 [2.1K]

Answer:

C)1 h 05 min

Step-by-step explanation:

If departure time of a train is 03 45 and arrival time is 04 50. What will be the journey time? * A)1 h 20 min B)1 h 10 min C)1 h 05 min

The journey time is calculated as:

Arrival time - Departure time

= 04:50 - 03:45

= 01:05

Therefore, the journey time = 1 hr 05 minutes

Option C is correct

3 0
2 years ago
iDentify the equation of the circle that has its center at (-27, 120) and passes through the origin A. (x−27)2+(y+120)2=123 B. (
melomori [17]
The equation of a circle is given in the form (x-a)^2+(y-b)^2=r^2, where

(a, b) is the centre of the circle
r = radius

We have the centre of the circle (-27, 120)
We can work out the radius by modelling the radius as the hypotenuse of a triangle as shown in the diagram below

r^2=27^2+120^2
r^2 = 15129

The equation of the circle is

[x-(-27)]^2+[y-120]^2=15129
[x+27]^2+[y-120]^2=15129

Correct answer: option number 4

7 0
3 years ago
A sequence of two transformations that can be used to show that polygon ABCDE is congruent to polygon GFJIH
Ket [755]

Answer:

Yes,they are congruent.

Step-by-step explanation:

We are required to make two transformations  and prove that they are congruent.

First Transformation:Now rotate the polygon FGHIJ by 90° about the axis parallel to x-axis and passinfg through the vertex I.You can observe that the sides are of same length AB=GF=2 units.

Second Transformation: Keeping the polygon ABCDE constant shift the centre of polygon FGHIJ to the centre of polygon ABCDE you will observe thta they exactly overlap on each other hence they are congruent with each other.

4 0
3 years ago
Given m||n, find the value of x.
Darya [45]

Answer:

x = 19

Step-by-step explanation:

6x+4 + 4x - 14 = 180

10x    - 10 = 180

10 X = 190

x = 19

6 0
3 years ago
Read 2 more answers
Assignment
MariettaO [177]

Answer:c

Step-by-step explanation:

C. 5, 13,12, 67,23, right angle

8 0
3 years ago
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