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4 years ago

Convert the equation x=y to polar form. (Use variables r and θ as needed.

Mathematics

1 answer:

Studentka2010 [4]4 years ago

8 0

Hmm the only thing I can think of is $\bf rcos(\theta)=rsin(\theta)\implies cos(\theta)=sin(\theta)$

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A student concluded that the inequality -3+2y<4x is equivalent to the inequality y>2x+3/2, as shown below. Describe and co

svlad2 [7]

Step-by-step explanation:

-3+2y<4x

then

2y< 4x+ 3 (add both sides with 3)

y < 2x +3/2 ( divide both sides by 2 that is positif and we do not change the sens < )

Hope you understand.

4 0

3 years ago

Assume every 10-digit natural number is a possible telephone number except those that begin with 0, 1 or 2. What fraction of tel

lana [24]

Answer: 1/70

Step-by-step explanation:

This is a question that can also be interpreted as what is the probability of having the first number of a phone number to be 8 and the last number of the phone number to also be 8. This answer gives the fraction of the phone numbers that starts with 8 and end with 8.

Since three numbers (0,1,2) cannot start a phone number and we are left to pick from 7 numbers,

then the probability of figure "8" starting phone number = 1/7

Since all 10 numbers can possibly end a phone number,

then the probability of having figure "8" as the last digit of a phone number = 1/10

Hence probability of having "8" as the first and last digit of a phone number = fraction of total telephone numbers that begin with digit 8 and end with digit 8 = 1/7 × 1/10 = 1/70.

5 0

3 years ago

Round to the nearest tenth place it is repeating decimal 4/6

Scilla [17]

Answer:

0.7

Step-by-step explanation:

I divided 4 by 6

0.6666666666666...

Simplify to 0.7

8 0

4 years ago

A flower arrangement was marked down 12.5%. if the flowers originally cost $20, what is the amount of the discount?

WINSTONCH [101]

The correct answer would be B :)

7 0

3 years ago

Read 2 more answers

Help me with this plz

Sergio [31]

Answer:

C) Similar-SAS

Step-by-step explanation:

Here,

BSE ~ TES

Now,

BS = TE (:• being corresponding side )

BSE = TES (:• Being Corresponding angle

SE = SE (:•Being corresponding side)

Therefore,

the given triangle is similar by

SAS axiom

6 0

4 years ago