3 years ago

PLEASE HELP!? Show all work to multiply (6+√-64)(3-√-16) IM SO CONFUSED.

Mathematics

1 answer:

kolbaska11 [484]3 years ago

3 0

Answer:

Step-by-step explanation:

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-x+y=5; 4x+y=10 .

zlopas [31]

Part A: -x+y=5
+x +x
y=x+5
4x+x+5=10
5x+5=10
-5 -5
5x=5
x=1
1(-x) +y=5
-1+y=5
+1 +1
y=6
The solution is (1,6)
Part B:
-x+y=5
-1+6=5
5=5
4x+y=10
4(1)+6=10
4+6=10
10=10

3 0

3 years ago

At a local department store, jeans typically cost $20. However, due to a special, the jeans are reduced to $14. What percent of

Burka [1]

Answer:

25%

Step-by-step explanation:

3 0

3 years ago

PLZ HELP!!!!!!!!!!!!!

Ivan

it would be b or c depending on a's number

6 0

3 years ago

What is the slope of the line that passes through the points (5,7) and (-1, 19) ?

Alexandra [31]

For this case we have that by definition, having two points through which a line passes $(x_ {1}, y_ {1})\ and\ (x_ {2}, y_ {2})$ , we can find its slope of the following form: