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Pepsi [2]
3 years ago
5

How do you do 16 * -4 by step by step

Mathematics
1 answer:
Grace [21]3 years ago
8 0

16 * -4 = -64

First, 16*4 = 64.

Second, a positive times a negative equals a negative.

Other justification:

   16 x -4 means you add -4 to itself 16 times:

   -4 + -4 + -4 + -4 + ... for a total of 16 times gives you -64.

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labwork [276]

58

Between 60 and 55, 5+8=13

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3 years ago
David is buying fish for his aquarium. Clown fish cost $12 each and angel fish cost $7 each. If he has $100 to spend, and he wan
Anni [7]

Answer:

6 clown fish and 4 angel fish

Step-by-step explanation:

<u>lets say he bought 8 clown fish. </u>

12*8 = 96

the last 4 dollars wont be used.

<u>lets say he bought 7 clown fish-</u>

12*7 = 84

100 - 84 = 16. 16 is not a multiple of 7.

<u>lets say he bought 6 clown fish,</u>

12*6 = 72

100 - 72 = 28

28/7 = 4

If David has $100 dollars to spend and wants to spend every dollar, he can buy 6 clown fish and 4 angel fish.

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2 years ago
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8 0
3 years ago
Read 2 more answers
When adding √9 and -7, which type of number is the sum?
dezoksy [38]

We are given numbers √9 and -7.

Square root 9 is a perfect square.

Square root 9 = 3.

So, if we add square root 9 and -7, we would get

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So, we got a negative whole number.

<em>A negative or positive whole number is called an integer</em>.

So, it's an integer.

<h3>Therefore, correct option is D. Integer.</h3>
8 0
3 years ago
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Answer:

4 hrs

Step-by-step explanation:

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