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dybincka [34]
3 years ago
9

How can you use the distributive property to find 5x198

Mathematics
1 answer:
Zigmanuir [339]3 years ago
8 0
Sent a picture of the solution to the problem (s). You can always break a number down to something you understand.

You might be interested in
If x+1/x=7,find x^2+1/x^2​
trapecia [35]

Answer:

x²+1/x² = 51

Explanation:

Given x - 1/x = 7 ---(1)

We know the algebraic identity:

a²+b²-2ab = (a-b)²

Or

a²+b² = (a-b)²+2ab

Now,

x²+1/x²

= (x-1/x)²+2*x*(1/x)

= (x-1/x)²+2

:7²+2 [ from (1)] =

= 49+2

= 51

Therefore,

x²+1/x² = 51

3 0
3 years ago
Why the order of the coordinates does not matter when calculating length
Rudiy27
The formula for calculating length is:
\sqrt{ (x_b-x_a)^{2} + (y_b-y_a)^{2} }

We can also write x_a - x_b or y_a - y_b
Why it does not matter?
Let's assume we have 2 numbers, a and b.
When we perform a subtraction:
a-b, we get another number c
When we perform another subtraction:
b-a, we get a number -c

When we raise c or -c to the power of 2, the result is the same, c^{2}.
4 0
3 years ago
Micheal is 3 times as old as Brandon. 18 years ago, Micheal was 9 times as old as Brandon.
77julia77 [94]

Step-by-step explanation:

18÷3=6

6×9=54

HOPE THIS HELPS!!

5 0
3 years ago
Find the exact perimeter of the shaded region! 10 points !
Kryger [21]

<span>I believe the answer is 60.75pi, calculated as follows:</span>

Area of Circle:  (9 * 9) * pi = 81pi

Area of Shaded Area = (90 / 360) * 81p = 20.25pi

81pi - 20.25pi = 60.75pi

4 0
3 years ago
Using graph paper, determine the line described by the given point and slope. Click to show the correct graph below.
Sholpan [36]
It’s the one that is horizontal (side ways )
5 0
3 years ago
Read 2 more answers
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