3 years ago

Line AB intersects line DF. Which statement shows that the two lines are perpendicular?

Mathematics

1 answer:

lesantik [10]3 years ago

6 0

C part explains this . :)

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Simplify 15(10-4-2)<br> 14<br> 015/2<br> 52-4110<br> O 105-4110

inna [77]

$\qquad\qquad\huge\underline{\boxed{\sf Answer☂}}$

let's simplify ~

$\qquad \sf \dashrightarrow \: \sqrt{5} (10 - 4 \sqrt{2} )$

$\qquad \sf \dashrightarrow \: ( \sqrt{5} \times 10) - ( \sqrt{5} \times 4\sqrt{2)}$

$\qquad \sf \dashrightarrow \: 10 \sqrt{5} - 4\sqrt{10}$

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2 years ago

X²-10x+25=0 quadratic equation by factoring

lisov135 [29]

Answer:

x = 5

Step-by-step explanation:

${x}^{2} - 10x + 25 = 0 \\ {x}^{2} - 5x - 5x + 25 = 0 \\ x(x - 5) - 5(x - 5) = 0 \\ (x - 5)(x - 5) = 0 \\ ( x- 5) = 0 \: or \: (x - 5) = 0 \\ x = 5 \: or \: x = 5 \\ x = 5$

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3 years ago

A CD usually sells for $17.00. If the CD is 20% off, and sales tax is 6%, what is the total price of the CD, including tax?

Alinara [238K]

Answer:

14.42

Step-by-step explanation:

17.00 x .80 20% off means price is 80% (or .80) of price

=13.6

13.6 x .06 = .82 sales tax

13.60 + .82 = 14.42 sales price plus sales tax

8 0

3 years ago

The ratio of blue marbles to green marbles in the box is 13 to 24.

Papessa [141]

Answer:

Step-by-step explanation:

13 blue

24 green

4 0

3 years ago

If you wanted to find the difference of 6/25-4/5 what common denominator should you choose and why?

sveticcg [70]

25 because it s a less common denominaor

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3 years ago