3 years ago

Without using a calculator, determine the number of real zeros of the function

Mathematics

1 answer:

Lena [83]3 years ago

4 0

X= 1, -3, -2 or -7 and 7

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An electronics store reduced the price of a TV from $1200 to $1068. What was the percent of decrease? (please explain the formul

elena-s [515]

You take the difference so 1200-1068=132 and then you take the original divided by the difference so 1200/132 so it would be 9.09%

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3 years ago

I just want to make sure: A baseball is traveling (+20 m/s) and is hit by a bat. It leaves the bat traveling (-30 m/s). What is

g100num [7]

Answer:

50m/s

Step-by-step explanation:

We assum the direction the baseball is travelling to the bat is the positive direction at 20 m/s and is hit in the opposite at a faster speed. The change in velocity is the final velocity minus the initial velocity:

$=20-(-30)=50$

The change in velocity is 50m/s

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Andre45 [30]

Answer:

1/4

Step-by-step explanation:

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Which set of polar coordinates describes the same location as the rectangular coordinates (1,-1)

LUCKY_DIMON [66]

The answer to this question is B. (sqrt 2, 315 degrees). This polar coordinate is the only coordinate with its angle in quadrant 4 and a length of √1^2 + (-1)^2 = √2.

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A damaged carpet which cost $180 when new, is sold for $100. What is the percentage loss?

Alexeev081 [22]

Answer:

44,(4) %

Step-by-step explanation:

$180 ......... 100%

$80 ............. x %

x = 80×100/180 = 8000/180 = 44,(4) %

the percentage loss 44,(4) %

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