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2 years ago

Which of the following figures is a pair of lines that are perpendicular?

Mathematics

2 answers:

inysia [295]2 years ago

8 0

Answer:

4.) D

Step-by-step explanation:

A ( I'm not sure how to explain A )

B is an acute angle

C is a parallel line

D is a perpendicular line

I hope this helps!

postnew [5]2 years ago

3 0

Answer:

D is the correct answer.

Step-by-step explanation:

The lines are perpendicular as they go thiugh eachother at the center.

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11111nata11111 [884]

Answer:

32 mi

Step-by-step explanation:

Solve using proportions.

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3 years ago

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4 years ago

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a buret is a tool designed to transfer precise amounts of liquid .A buret initially contains 70.00 millimeters of a solution and

katrin [286]

Let:

Vbu= Volume of the buret

Vbk= Volume of the beaker

A buret initially contains 70.00 millimeters of a solution and a beaker initially contains 20.00 ml of the solution the buret drips solution into the Beaker. each drip contains 0.05 mL of solution, therefore:

x = Number of drips

a = volume of each drip

$\begin{gathered} Vbu=70-ax \\ Vbk=20+ax \\ \text{where:} \\ a=0.05 \\ Vbu=70-0.05x \\ Vbk=20+0.05x \end{gathered}$

after how many drips will the volume of the solution in the buret and beaker be equal ? Vbu = Vbk:

$\begin{gathered} Vbu=Vbk \\ 70-0.05x=20+0.05x \\ \text{Solve for x:} \\ 0.1x=70-20 \\ 0.1x=50 \\ x=\frac{50}{0.1} \\ x=500 \end{gathered}$

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1 year ago

Solve the equation 6x +2y = 10 for y in terms of x gives what function?

Nimfa-mama [501]

Answer:

y = - 3x + 5

Step-by-step explanation:

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3 years ago

What does the f(n - 1) represent?

leonid [27]

I'm assuming that you are talking about sequences <3

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Dw if you don't understand, sequences and functions isn't an easy topic

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3 years ago

Which of the following figures is a pair of lines that are perpendicular? ​

Which of the following figures is a pair of lines that are perpendicular?