3 years ago

Without computing, tell whether each product or quotient is positive or negative. EXPLAIN WHY.

1 answer:

4 0

Answer:

negative because any positive number multiplied by a negative number will be negative, the only way to make it positive is to multiply a negative number by another negative number.

Step-by-step explanation:

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Find the sum of -3a + 2 and 5a - 3

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Answer

-1(3a-2)

Step-by-step explanation:

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2 years ago

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Multiply negative 1 over 2 multiplied by negative 1 over 2. Which of the following is correct?

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negative 1 over 4

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3 years ago

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Inequality 2x > x + 7 is equivalent to ?

Pavel [41]

Answer:

x>7

Step-by-step explanation:

We do 2 steps

2x > x + 7

that means

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That is the answer. Hope it useful for you!

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3 years ago

Show that each statement is true: <br> Cos^4X-sin^4X=2cos^2X-1

Ivan

$cox^4x-sin^4x=2cos^2x-1\\\\
(cosx^2-sin^2x)(cosx^2x+sin^2x)=2cos^2x-1\\\\
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cosx^2+sin^2x=1\\\\
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2 years ago

A deli owner sold 90 sandwiches in one day. Of those sandwiches, 36 were pastrami what percent of sandwiches sold were pastrami.

Lera25 [3.4K]

Answer:

40%

Step-by-step explanation:

First, you have to divide 90 by 10 and get 9 and now figure out how many times you can divide 36 to get nine, four times. Next, now multiply 4 by ten and that is your percentage.

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3 years ago

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