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Helga [31]
3 years ago
9

How do you factor x²-100 ?

Mathematics
1 answer:
Strike441 [17]3 years ago
5 0

Answer:

(x+10)(x-10)

Step-by-step explanation:

both numbers can be squared so you have to take out the square and since 100 is negative one must be positive and one must be negative

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Amy is 3 years older than her brother. Together, their ages are 14. Amy wrote the equation x+(x+3)=14 to represent the sum of th
BlackZzzverrR [31]

She is 3 years older than her brother and has (x+3) in the equation means that x is being used as her brothers age. (She is adding 3 to her brothers age)

The answer is Amy's brother's age.

9 0
3 years ago
A clairinet case is shaped like a rectangular prisim the case is 8 inches tall 3 inches wide and has a volume of 312 cubic inche
diamong [38]

Answer:

13 inches

Step-by-step explanation:

A clarinet case is shaped like a rectangular prism the case is 8 inches tall 3 inches wide and has a volume of 312 cubic inches what is the length of the clarinet case

The volume of a rectangular prism = Length × Width × Height

Length of the rectangular prism = Volume/ Width × Height

= 312 in³/ 3 in × 8 in

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= 13 in

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8 0
3 years ago
4x + 7y = 12<br> -8x - 14y = -24
Masteriza [31]

Answer:

x = 3

y = 0

Step-by-step explanation:

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-8(3) - 14(0) = -24

8 0
3 years ago
If A={1,5,9}and B={y:y=2x-1;x=1,5,9},find A×B and B×A.​
Umnica [9.8K]

Step-by-step explanation:

you can see the steps above

6 0
3 years ago
Mr.Ravenheads car averages 23.75 miles per gallon of gasoline. Express this amount as a mixed number in simplest form.
cupoosta [38]

23 is a whole number 75 is the numerator and use 100 as the denominator since 75 is in the 100nths place.  
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3 years ago
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