Answer:
The required co-ordinate is (-2, -5).
Step-by-step explanation:
For a given point, reflection of a point (x, y) across a horizontal line y = k, the reflected co-ordinates will be: 
.
Here, (x, y) = (-2, 7) then reflection along the line y = 1, we get:
= (-2, -5)
The reflected point is (-2, -5).
9514 1404 393
Answer:
Jaime: yes: 29·31 = 900 -1 = 899
Raquel: 24·26 = 25^2 -1 = 624
Step-by-step explanation:
The difference of squares factors as the product of the sum and difference of the roots:
a^2 -b^2 = (a -b)(a +b)
<u>Jaime</u>
29·31 = (30 -1)(30 +1) = 30^2 -1^2 = 900 -1 = 899
Jaime can subtract 1 from 30^2 to find 29·31
__
<u>Raquel</u>
24·26 = (25 -1)(25 +1) = 25^2 -1^2 = 625 -1 = 624
Raquel can subtract 1^2 from 25^2 to find 24·26.
Answer:
x=40
Step-by-step explanation:
Answer:
If there isn't an exact number in the middle you take the two numbers that are in the "middle" add them together and divide by 2
Step-by-step explanation:
Not sure but I believe letter B) 3+4 is rational since the answer is 7 and 7 is a rational number and it can be expressed as a quotient. The sum of a rational number and an irrational number is irrational. The sum of two rational numbers is rational
