3 years ago

What is the difference between 8x3-2x2+5x-7

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

6 0

-15

this is the answer :)

Nuetrik [128]3 years ago

5 0

Answer:

I would say 55

Step-by-step explanation: 8x3=24-4=20+5x7=55

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Will somebody please assist me what is 7x3x2+5-3=k

Svetllana [295]

In this case just do it left to right, as multiplication comes before addition/subtraction. So 7x3x2+5-3=21x2+5-3=42+5-3=47-3=44=k.

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3 years ago

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Alexxandr [17]

Answer:

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Step-by-step explanation:

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3 years ago

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Shkiper50 [21]

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3 years ago

What is the slope of the line of (6,22) and (15,55) please simplify

Dennis_Churaev [7]

Answer:

11/3

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4 years ago

A store was keeping track of how many bottles of hand sanitizer and soap bars were sold last week. A bottle of hand sanitizer co

agasfer [191]

Answer:

Hand sanitizer=135 bottles

Bar soap=83 bottles

Step-by-step explanation:

Let x represent the hand sanitizer and y the sop.

-Our problem can be expressed as:

$x+y=218\ \ \ \ \ ...i\\\\4.25x+2.15y=752.20\ \ \ \ \ ...ii$

#Make x the subject in i then substitute in ii to solve;

$x=218-y\\\\\therefore 4.25(218-y)+2.15y=752.20\\\\926.5-4.25y+2.15y=752.20\\\\174.3=2.1y\\\\y=83\\\\x=218-83=135$

Hence, 135 bottles of hand sanitizer and 83 bottles of bar soap were sold.

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3 years ago