what is the image point (0,2) after a rotation of 90 degree counterclockwise about the origin

Answers

Answer 1

Answer:

I like to do mehndi is known as

.

Answer 2
the answer is (-2,0)
When you rotate 90 degrees counterclockwise you have to switch the x and the y then change the sign to the original y which in this case will be 2.

Related Questions

Let f(x)=8x−6. What is the value of f(12)?

Answers

Answer:

f(12) = 90

Step-by-step explanation:

This is more of a notation problem than anything else.

The x on the left means that the variable is x. That sounds weird I know, but it starts out this way.

f(variable) =  8*variable - 6

Where you see the word variable, you put the letter x and that gives you the question.

f(x) = 8*x - 6

That is math shorthand for whatever you see on the left, like an x or in this case 12, you put the value 12 in for x on the right. It will look like this.

f(12) = 8*12 - 6   Now it just becomes a calculator problem.

f(12) = 96 - 6

f(12) = 90

–8(6+3)
-83
Please help me

Answers

Answer:

-155

Step-by-step explanation:

-8\cdot \:9-83

-72-83

=-155

You are given that a 7.6.54 to 3 significant figures) and b = 123 (to 3 significant figures):
Calculate upper and lower bounds for a+b, give your answers to 3 significant figures:

Answers

a=76.54=76.5(3significant)b=123

[tex]\\ \sf\longmapsto a+b[/tex]

[tex]\\ \sf\longmapsto 123+76.5[/tex]

[tex]\\ \sf\longmapsto 199.5[/tex]

[tex]\\ \sf\longmapsto 199[/tex]

HELP THIS IS DUE SOON 30 POINTS

Answers

Answer:

x = 4

Step-by-step explanation:

  f(x) = 4x-5

    11 = 4x-5

4x-5 = 11

   4x = 11+5

        = 16

     x = 16÷4

        = 4

9 - 5n < -4n + 9 or 9n + 4 < 7n - 4

Answers

CORRECT!!!!!!!!!!!!!!!!!!!!!! Okay I’m sorry to say I didn’t have to tell me what I meant lol I was thinking of a friend group that was a good girl lol I just wanted you and me too so I didn’t tell her I didn’t tell anyone

yolanda's yoga class charges a $20 membership fee and $20 per visit.
write an expression that represents the cost of "x" visits: C=_______
how many visits would it take for the two costs to be the same?
(use your expressions and make them equal to each other and solve)

Answers

The 2 expressions: 10x + 100 and 20x + 20

20x + 20:

20 dollars per visit (20x)  ;  20 dollar fee (20)

10x + 100 = 20x + 20    Subtract 10x from both sides

100 = 10x + 20          Subtract 20 from each side

80 = 10x               Divide by 10

x=8

PLEASE HELP QUICK :) multiple choice.
Which of the following functions has a factor of x + 9 ?
A: f (x) = x^3 - 8x^2 - 11x + 18
B: f (x) = x^3 + 10x^2 + 7x - 27
C: f (x) x^3 + 10x^2 + 7x - 18
D: f (x) = x^3 - 8x^2 - 11x + 27

Answers

Answer:

C. f(x) = x³ + 10x² + 7x - 18

Step-by-step explanation:

If the function has a factor of x + 9, then the function will have a zero output at x = -9

Lets verify:

A. f(-9) = (-9)³ - 8*(-9)² - 11*(-9) + 18 = -1260, NoB. f(-9) = (-9)³ + 10*(-9)² + 7*(-9) - 27 =  -9, NoC. f(-9) = (-9)³ + 10*(-9)² + 7*(-9) - 18 = 0, YesD. f(-9) = (-9)³ - 8*(-9)² + 11*(-9) + 27 = -1449, No

Find the slope of the line that passes through (20, -37) and (68, -56).

Answers

i believe it would be -19/48

match the inequality with its graph

Answers

C is the correct solution to your question!

value of 3 to the power of -2

Answers

Answer:

it would be .1111111111

Hope this helps

Answer:

.1 repeating

Step-by-step explanation:

.1 repeating= .11111111111

Hope this helps.

Help me :( please help me

Answers

Answer:

22.84, 5.83

Step-by-step explanation:

Pythagoras theorem states that: a^2+b^2=c^2

So, for red triangle, it will be: 9^2+21^2=b^2

81+441=b^2

522=b^2

square root of 522=b

22.84=b

For purple one,

3^2+5^2=a^2

9+25=a^2

34=a^2

square root of 34=a

5.83=a

Look at the figures. How can you prove the triangles are congruent?
is it
A) ABC= DEF by the SAS postulate

B) It is not possible to determine if the triangles are congruent

C) ABC = DEF by the SSS postulate

Answers

Answer:

SAS

Step-by-step explanation:

AB ≅ DE                                        Given

AC ≅ DE                                         Given

∠ A  and ∠B are right angles        Given

∠A ≅ ∠B                                        All right angles are ≅

10. Name the line three ways.

Answers

Hi there, can you elaborate on your question. I don’t understand

A family has two cars. The first car has a fuel efficiency of 20 miles per gallon of gas and the second has a fuel efficiency of 40 miles per gallon of gas. During one particular week, the two cars went a combined total of 1700 miles, for a total gas consumption of 55 gallons. How many gallons were consumed by each of the two cars that week

Answers

F= first car
S = second car
F+S =55
F= 55-S
20f+40s=1700
Using substitution method add the value of F to second equation
20(55-s)+40s=1700
1100-20s+40s=1700
1100+20s=1700
20s=600
s=30
So second car consumed 30 gallons of gas; first car consumed 25 gallons

PLEASE HELP DUE TODAY NO LINKS WILL REPORT

Answers

Answer:

The first option

Step-by-step explanation:

Because you cannot have a negative squared root

Answer:

a.

Step-by-step explanation:

I had this question before lol.

Lourdes plans to jog at least 1.5 miles. Write and solve an inequality to find x, the number of hours that Lourdes will have to jog..

Answers

Answer:

An inequality compares two or more variables by using the <, >, ≤, or ≥ signs.

The number of hours Lourdes will have to jog is 0.4 hours

From the given parameters:

Lourdes plans to jog for at least a distance of 1.5 miles

If Lourdes can jog averagely at the speed of 3.75 mph

Then,

the inequality that can represent the information can be written as:

= 1.5 miles ≤ 3.75 (x) miles/hour

Solving the inequality;

= 1.5 ≤ 3.75 (x)

Making (x) the subject of the formula, we have:

x =  0.4 hours

Therefore, we can conclude that the number of  hours lourdes will have to jog is 0.4 hours

Step-by-step explanation:

A map of Pennsylvania has a scale of ¾ inch to 25 miles. If Pittsburgh and Philadelphia are 9 inches apart on the map, how many miles apart are the two cities?

Answers

Answer: 300

Step-by-step explanation:

0.75 inches : 25 miles

we can times 0.75 by 12 to get 9, we have to do the same thing on the other side.

9inches : 300 miles

tập nghiệm của phương trình 3tan+√3=0

Answers

Tan(x) = -3/sqrt(3)
X= tan^-1(-3/sqrt(3))
X= -60 degree

Answer:

if 0° ≤ x ≤ 360°

x = 150°   or   x = 330°     (5/6 π , 11/6 π)

if x can be beyond 2π (360°) , above or below

x = 5/6 π + 2nπ      or   x = 11/6 π + 2nπ

Step-by-step explanation:

3 tanx = -√3

tan x = - 1/√3

if 0° ≤ x ≤ 360°

x = 150°   or   x = 330°     (5/6 π , 11/6 π)

if x can be beyond 2π (360°) , above or below

x = 5/6 π + 2nπ      or   x = 11/6 π + 2nπ

what is the sum of the prime numbers of 420 do not repeat any prime factors A 15 B 16 C.17 D. 18 E. 19

Answers

Answer:

C)

Step-by-step explanation:

Prime factorization of 420 = 2 × 2 × 3 × 5 × 7 = 22 × 3 × 5 × 7.

If you take...

2 + 2 + 3 + 5 + 7...

You would get 17.

Hope this helps! :) Good Luck!

-kiniwih426

Larry and Cathy study for a total of 24 hours each week. Larry studies 3 less than twice the hours than Cathy studies. How many hours does Cathy study per week?

Answers

Let Cathy studies x hoursLarry studies 2x-3hours

ATQ

[tex]\\ \sf\longmapsto x+2x-3=24[/tex]

[tex]\\ \sf\longmapsto 3x-3=24[/tex]

[tex]\\ \sf\longmapsto 3x=24+3[/tex]

[tex]\\ \sf\longmapsto 3x=27[/tex]

[tex]\\ \sf\longmapsto x=9[/tex]

Answer:

ᎪꪀsωꫀᏒ

9 hours Cathy study per week

Step-by-step explanation:

=> according to the question

➪ x+2x-3=23

➪ 3x-3=24

➪ 3x=24+3

➪ 3x=27

➪ x= 27/3

➪ x= 9

please help due today NO LINKS WILL REPORT

Answers

Answer:

Step-by-step explanation:

i think that the answer is a, because the def of natural numbers match's and there all integers.

Collin spent $34 on a new video game. How much money does he need to earn in order to have a net change of $0?

Answers

Nothing because you can’t gain anything from 0

Elaine old bicycle had tires with 12 inch diameter. Her new bicycle has tires with 16 inch diameter. What is the difference in the same conference of the tires​

Answers

Answer:

12.56 inches

Step-by-step explanation:

help please i need it with explanation

Answers

Answer:

10. x = -23          

Step-by-step explanation:

-3.8x - 5.9x = 223.1

-9.7x = 223.1         (-3.8 minus 5.9)

x = -23    (223.1 divided by -9.7)

Answer:

12. x = 70

Step-by-step explanation:

(-3/5)x - (7/10)x + (1/2)x = -56

-(4/5)x = -56       ( -3/5 minus 7/10 plus 1/2)

x = 70        (-56 divided by -4/5)

(1.5x10^-5)+(3.5x10^-2) what is this written in scientific notation??

Answers

Answer:

0.035015x

Step-by-step explanation:

In a particular part of the Volta lake, there is a population of 100000 tilapia. The number of tilapia is decreasing at a rate of 10% per year due to pollution from a human settlement on the shores of the Volta lake in this area.
2. Copy and complete the table below to show the number of tilapia P after 1, 2 and 3 years
Number of years (t) 0 1 2 3
Number of tilapia (N)
Criterion B 1-2
b) Write an exponential model for the number of tilapia N after t years
Criterion B 3-4
c) When the population of tilapia falls below 25000 it is at a ‘critical level’. Write an inequality and calculate how long it will take for this lake to be at a critical level.

Answers

Answer:

?????

Step-by-step explanation:

A chemist is using 337 milliliters of a solution of acid and water. If 13.2% of the solution is acid, how
many milliliters of acid are there? Round your answer to the nearest tenth.

Answers

Answer:

44.5 mL

Step-by-step explanation:

337 × 13.2%

= 337 × 0.132

= 44.484 mL

= 44.5 mL (1dp)

Write and solve an inequality that represents the values of x, in feet.

The perimeter is less than 16 feet.

Answers

Answer:

x < 16 ft

Step-by-step explanation:

Perimeter = x

If it is less than 16, the equation is:

x < 16

-Chetan K


Barry buys a new washing machine.
The value of the washing machine depreciates by 20% each year.
(a)
Barry says 'after 5 years the washing machine will have no value'.
Barry is wrong. Explain why.
Barry wants to work out the value of the machine after 2 years.
(b)
By what single decimal number should Barry multiply the value of the machine when new?

Answers

Answer:

The machine decreases in value by 20% each year.

After 1 year the machine is worth only .8 of its original value.

The machine will only decrease by .2 * (.8 A) in the second year not .2 * A where A is the  original amount.

A1 = .8 A

A2 = .8 A1 = .64 A    value of machine after 2 years

.8 is the value Barry needs when the machine is  new

.8^n never goes to zero

After 10 years   value = .8^10 A = .11  A of its original value

Write the value of
[tex]1 - 2 \cos {}^{2} c[/tex]


Answers

Step-by-step explanation:

1-2cos²c.

> (cos²c+sin²c)-2cos²c. (cos²c+sin²c=1)

> cos²c+sin²c-2cos²c

> sin²c-cos²c.

is your correct answer.

hope this helps you.

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