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SashulF [63]
3 years ago
15

Please help me find the unit rate of 1/2/3 1 over 2 over 3

Mathematics
1 answer:
alexgriva [62]3 years ago
4 0

Answer: It would be 12 miles per hour

Step-by-step explanation:

This fraction is equal to 30 miles divided into 2.5 miles which is equal 12 miles per hour.

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In factored form please help
Brilliant_brown [7]

Answer:

3rd option

Step-by-step explanation:

\frac{3x^2-3}{x^2-5x+4} ( factorise numerator and denominator )

3x² - 3 ← factor out 3 from each term

= 3(x² - 1²) ← x² - 1 is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

x² - 1

= x² - 1²

= (x - 1)(x + 1) , then

3x² - 3 = 3²(x - 1)(x + 1) ← in factored form

--------------------------------

x² - 5x + 4

consider the factors of the constant term (+ 4) which sum to give the coefficient of the x- term (- 5)

the factors are - 1 and - 4 , since

- 1 × - 4 = + 4 and - 1 - 4 = - 5 , then

x² - 5x + 4 = (x - 1)(x - 4)

then

\frac{3x^2-3}{x^2-5x+4} = \frac{3(x-1)(x+1)}{(x-1)(x-4)} ← in factored form

3 0
1 year ago
Help me out please an thank you
Aliun [14]

Answer:

The angles that are supplementary to angle 7 includes angle 5 and angle 8.

4 0
2 years ago
Kristy is going to a college where tuition is $8,000 per year. She has a scholarship that pays 80% of tuition. Her aunt is givin
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8,000 x .80= 6,400
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3 0
3 years ago
Multiply the following binomials:<br> (x + 10)(x - 5)
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Answer:

X^2+5x-50

Step-by-step explanation:

X^2-5x+10x-50

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