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umka2103 [35]
3 years ago
13

What is the special rule with multiplying or dividing an equality by a negative number?

Mathematics
1 answer:
Hunter-Best [27]3 years ago
6 0
Multiplying or dividing both sides by a negative number reverses the inequality.
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What are the zeros of f(x) = x2 - 8x+16?
Stels [109]

Answer:

x=4

Step-by-step explanation:

f(x) = x^2 - 8x+16

Set equal to zero

0 = x^2 -8x +16

Factor

what 2 numbers multiply to 16 and add to -8

-4*-4 = 16

-4+-4 = -8

0= (x-4)(x-4)

Using the zero product property

x-4 = 0  x-4 =0

x=4  x=4

3 0
3 years ago
yesterday the temperature was 7 degrees fahrenheit . Today the temperature is 0 degrees fahrenheit . What was the change in the
lawyer [7]

Answer:

-7

Step-by-step explanation:

HOPE THIS HELPS

7 0
3 years ago
Tyler poured 15 cups of water into 2 equal-sized bottles and filled each bottle. How much water was in each bottle?
LiRa [457]

Answer:

7.5

Step-by-step explanation:

If there are 2 bottles and 15 cups then...  

15 ÷ 2 = 7.5  

He poured 7.5 cups of water in each bottle.

diagram?? maybe you could do this...

5 0
2 years ago
Read 2 more answers
40 POINTS Geometry homework
kicyunya [14]

\angle{DBC   }=(5x+4)°

\angle{ A  }=(2x-2)°

\angle{C   }=(4x-6)°

we know that,

\angle{DBC}=\angle{A}+\angle{C}

According to the question,

\tt{ 5x+4=2x-2+4x-6  }

\tt{ 5x+4=6x-8  }

\tt{ 6x-5x=4+8  }

\blue{x=12   }

so,

\angle{C }=(4x-6)°=(4×12-6)°=(48-6)°=42°

6 0
2 years ago
Merv’s Magic Shop has $56,000.00 in assets and $14,000.00 in liabilities. Merv’s current financial ratio is
Gnom [1K]
4:1.

56,000÷2 = 28,000

14,000÷2 = 7,000

28,000/7,000 = 28/7

28 ÷ 7 = 4
---- -----
7 ÷7 = 1

4:1

Hope this helps!
6 0
3 years ago
Read 2 more answers
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