3 years ago

Work out 5^-2 x 3 square root 8

Mathematics

1 answer:

Serjik [45]3 years ago

5 0

Answer:

6root(2)/25

Step-by-step explanation:

5^-2 = 1/25

3(root(8)) = 6(root(2))

so you get 6(root(2))(1/25)

= 6(root(2))/25

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Factor completely<br> 9-6a-24a^2

Natasha_Volkova [10]

-24a²- 6a +9 = - 3(8a² +6a - 9)

8a² +6a - 9 =0

x=(-b +/-√(b² - 4ac))/2a
x = (-6 +/-√(36+4*8*9) /(2*8) = (-6 +/-√(324)  /16 =  (-6 +/-18)/16
x1 =  (-6 +18)/16 = 0.75
x2 =  (-6 -18)/16 = - 1.5

-24a²- 6a +9 = - 3(8a² +6a - 9) = -3(a - 0.75)(a + 1.5)

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Because all of the ending values are given in feet, find the window dimensions in feet. Convert the length of 3 feet, 9 inches s

MA_775_DIABLO [31]

Answer: 3.75 ft

Step-by-step explanation:

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$3 ft+9 in$