Posted by **amy** on Wednesday, January 30, 2008 at 7:45pm.

evaluate the following expression if x = –4.28, and y = –4.68. Round your answer to the nearest tenth.x – 5y

- math -
**DrBob222**, Wednesday, January 30, 2008 at 7:52pm
x-5y

-4.28 -5(-4.68) =

-4.28 + 23.40 = +19.12

Now you round to the nearest tenth.

- math -
**Damon**, Wednesday, January 30, 2008 at 7:52pm
well 5 y = 23.4

so

x - 5 y = -4.28 - (-23.4)

minus a minus is a plus

so

x - 5 y = -4.28 + 23.4

= 19.12 which to the nearest tenth is 19.1

- whoops typo -
**Damon**, Wednesday, January 30, 2008 at 7:55pm
well 5 y = -23.4 forgot minus sign

so

x - 5 y = -4.28 - (-23.4)

minus a minus is a plus

so

x - 5 y = -4.28 + 23.4

= 19.12 which to the nearest tenth is 19.1

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