What is the image of the point (-1,-3) after a rotation of 90 ∘ counterclockwise about the origin?

Answers

Answer 1

Answer:

(-3,1)

Step-by-step explanation:


Related Questions

pls help
math work
bleh

Answers

Answer:

j = 8j = 3j = 6

I hope this helps!

which expression is equivalent to 1/3 p+15
1/3(p+45)
1/3(p+5)
3(p+45)
3(p+5)

Answers

Answer:

1/3(p + 45)

Step-by-step explanation:

1/3(p + 45)

1/3p + 45/3

1/3p + 15

Answer:

A. [tex]\frac{1}{3}(p+45)[/tex]

Step-by-step explanation:

Factor 1/3 out of each term

Bob borrows $5.50 from his friends three times a week. Write an equation to repress the change in Bob's money this week

Answers

Answer:

Equation: $5.5+$12.75

Step-by-step explanation:

In the following diagram k || h. Which of the following is m<1?
(1) 12°
(3) 84°
(2) 54°
(4) 126°

Answers

Answer:

54

Step-by-step explanation:

im sorry if its wrong

The reequired measure of the angle m is given as 84°.

Given that,
A diagram of the parallel is shown we have to determine the measure of the angle.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,

According to the question,
∠1 = 180 - 42 - [180-126]
∠1 = 180 - 42-54
∠1 = 84°

Thus, the required measure of the angle m is given as 84°.

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I need help please:):)

Answers

Answer:

(0,0)

Step-by-step explanation:

y value divided by x value for slope, then use desmos

find equations of the line that is parallel to the z-axis and passes through the midpoint between the two points

Answers

(x, y, z) = (k, 0, 0) + α (0,0,1) - this is the equation is parallel to the z-axis and passes through the midpoint between the two points.

What is slope of a parallel line?

The slant of a line is registered as for the positive x-hub and the equal lines are similarly disposed regarding the positive x-pivot. At the point when planets are a similar distance yet on inverse sides of the divine equator they are alluded to as being contra-equal. The equal lines are similarly disposed with the positive x-pivot and thus the incline of equal lines is equivalent. Equal lines and their inclines are simple. Since incline is a proportion of the point of a line from the level, and since equal lines should have similar point, then equal lines have similar slant and lines with a similar slant are equal. Opposite lines are somewhat more muddled.

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What’s the answer for this question?

Answers

Answer:

d.

Step-by-step explanation:

you would put 4 in the x places and 2 in the yplaces and then you would distribute 4^2 +3(2)/4(2)

16+6/2=22/8=2 3/4

How many students voted for each
participant?

Answers

Answer:

12 people voted for Matthew and 18 people voted for Diana.

Step-by-step explanation:

1. Multiply 30 by 0.4 to get 12.

2. Subtract 12 from your total of 30. The remaining 18 votes belong to Diana.

In ∆ABC the angle bisectors drawn from vertices A and B intersect at the point D. Find m∠ADB if: m∠A = α, m∠B = β

Answers

The angle at D which is m∠ADB is calculated to be  180 - ( α + β ) / 2

How to find  < ADB

Given data

< A = α

∠ B = β

Angle bisectors divides the given angle into two and form a triangle which is ∆ADB

The angles that form ∆ADB are as follows

< A =  α / 2

∠ B = β / 2

to find < D we use sum of angles in a triangle which is 180 degrees and solve as follows

< A + < B + < D = 180 degrees

where < D = m∠ADB, substituting the other values gives

α / 2 + β / 2 +  < D  = 180

( α + β ) / 2  +  < D  = 180

< D  = 180 - ( α + β ) / 2

Since < D = m∠ADB .We can therefore say that m∠ADB =  180 - ( α + β ) / 2

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graph is shown in the figure.
y
2
y= 20
(2, 10)
(0,5)
х

Answers

where is the graph?

When 4(0.5x + 2.5y - 0.7x -1.3y + 4) is simplified, what is the resulting expression?
A: -0.8x + 4.8y + 16
B: 0.8x - 4.8y + 16
C: -0.8x - 4.8y + 4
D: 0.8x + 4.8y + 4

Answers

Answer:

-0.8x+4.8y+16

Step-by-step explanation:

[tex]4(0.5x+2.5y-0.7x-1.3y+4)\\4(-0.2x+1.2y+4)\\4(-0.2x)+4(1.2y)+4(4)\\-0.8x+4.8y+16[/tex]

The answer would be A. Even without solving the entire thing you can the first part will be negative when you combine like terms. The second part (aka y) would be positive after the terms are combined. 16 comes from 4 multiplied by 4 after distribution.

15. If 40% of the students in your class are women and 50% of the women have brown hair,
which of the following describes the percentage of the students in your class who are
women with brown hair?
(a) (40%) (50%) = 20%
(b) 50% - 40% = 10%
(c) 40% + 50% = 90%
(d) The percentage of women cannot be determined from the given information.

Answers

A. .40x .50= .20 x 100= 20%

You multiply the percentages to discover that 20% of the entire class is a brunette woman.

5th grade math. Correct answer will be marked brainliest.

Answers

Answer:

45.2 × 10⁰ = 45.2 (a⁰ = 1 )

45.2 × 10¹ = 452

45.2 × 10² = 4520

45.2 × 10³ = 45200

Answer:

My siblings ALWAYS have think central, its annoying.

Step-by-step explanation:

1. 45.2

2. 452

3. 4520

4. 45200

Its like moving the place value and adding a 0. I used Desmos Scientific Calculator to check my answers.

11x−24=8x
what is x?

Answers

Answer:

x=8

Hope this helps! Brainliest?

In numbers 8 & 9, graph f(x). Show all asymptotes and/or holes, x- & y-intercepts, and end
behavior.
8) f(x) =
x2 - 7x + 12
x-4
6
y-int:
HA:
Hole:
6
VA:
6
X-int:
8
10

Answers

Answer:

8fx=;x2-7x+12;x-4;6

Step-by-step explanation:

x2"   was replaced by   "x^2".

Find your pay for working 30 hours

Answers

you’ll make $180,
45/7.5=6
6 dollars an hour
6*30=180

To solve, all we need to do is set up a ratio

7. 5 hours = $45

30 hours = ??

[tex]\frac{7.5}{30} = \frac{45}{x}[/tex]

solve with cross multiplication

7.5(x) = 45 x 30

7.5x = 1,350

continue to solve

[tex]\frac{1,350}{7.5} = x[/tex]

x = $180

So, if you work for 30 hours, you should earn $180 !!

Tia used a photocopier to dilate the design for a monorail track system. The figure shows the design and its photocopy:

The ratio of DA:HE is 1:2. What is the length, in meters, of side FG on the photocopied image?


14
17
28
34

Answers

Answer:

I think its 28.

Step-by-step explanation: Dont take my word for this tho

the ratio is 1:2 and that would mean that whatever length DA, HE is 2 times.

The length of BC is 14 so 14 x 2 is 28.

The length, in meters, of side FG on the photocopied image is 28 m and this can be determined by using the concept of dilation.

Given :

Tia used a photocopier to dilate the design for a monorail track system. The figure shows the design and its photocopy.The ratio of (DA : HE) is 1:2.AB = 17 mBC = 14 m

The following steps can be used in order to determine the length, in meters, of side FG on the photocopied image:

Step 1 - According to the given data, the side length of DA is 2 times the side length of HE.

Step 2 - From the above step, it can be concluded that 2 is the dilation factor.

Step 3 - From the given data, the length of BC is 14m. So, the length of the side FG is given by:

FG = 2 BC

Step 4 - Substitute the value of length of side BC in the above expression.

FG = 2(14)

FG = 28 m

Therefore, the correct option is C).

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WILL GIVE BRAINLIST IF RIGHT

Is either of the relationships proportional in the graph below?

Answers

The relationships are not proportional.

One of the lines, as x increases, y increases

Another, when x increases, y decreases.

HELPPPP FIND VALUE OF Y !!!

Answers

Answer:

Y=13

Step-by-step explanation:

X is 45 so

45+5y+5=9y-2 solve and y=13

Answer:

y = 13

Step-by-step explanation:

x  + 135 = 180                   {linear pair}

         x = 180 - 135

          x = 45

 9y - 2 = 5y + 5 + x    {Exterior angle property of triangle}

 9y - 2 = 5y + 5 + 45

9y - 2 = 5y + 50       {Subtract 5y from both sides}

9y -5y  -2 = 50

  4y - 2 = 50              {Add 2 to both sides}

         4y = 50 + 2

         4y = 52             {Divide both sides by 4}

            y = 52/4

      y = 13

Find the slope of the line. Write your answer in simplest form.

Answers

Slope: (y2-y1)/(x2-x1)
Points given: (-4,1) and (1,-2)
(-2-1)/(1+4) = -3/5
Answer: the slope is -3/5

Students will randomly select a tile from a bag containing one red, one yellow, one blue, and one green tile, and then roll a cube with faces numbered 1 through 6. What is the probability that a student draws a red or yellow tile, and rolls a number between 1 and 3.

Answers

Answer:

[tex]\bold{\dfrac{1}{4}}[/tex]

Step-by-step explanation:

Number of red tiles = 1

Number of yellow tiles = 1

Number of blue tiles = 1

Number of green tiles = 1

Total number of tiles = 4

Also, given that there is a standard dice with faces numbered from 1 to 6.

Formula for probability of an event E can be observed as:

[tex]P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}[/tex]

First of all, let the event [tex]A[/tex] be event that a red or yellow tile is chosen.

Number of favorable cases = 2

Total number of cases = 4

[tex]P(A) = \dfrac{2}{4} = \dfrac{1}{2}[/tex]

Let the event [tex]B[/tex] be event that a number between 1 and 3.

Number of favorable cases = 3

Total number of cases = 6

[tex]P(B) = \dfrac{3}{6} = \dfrac{1}{2}[/tex]

[tex]P(A\ and\ B) = P(A).P(B)[/tex]

[tex]P(A\ and\ B) = \dfrac{1}{2}.\dfrac{1}{2} = \bold{\dfrac{1}{4}}[/tex]

Answer:

1/4

Step-by-step explanation:

Bart found 20 quadrilaterals in his classroom. He made a Venn diagram using the properties of the quadrilaterals, comparing those with four equal side lengths (E) and those with four right angles (R). Circles E and R overlap. Circle E contains 3, circle R contains 6, and the intersection contains 2. Number 9 is outside of the circles. Given that a randomly chosen quadrilateral has four right angles, what is the probability that the quadrilateral also has four equal side lengths? Express your answer in percent form, rounded to the nearest whole percent. 25% 33% 40% 67%

Answers

Answer:

A. 25%

Step-by-step explanation:

The probability that the quadrilateral has four equal side lengths, given that the quadrilateral has four right angles is 25%

What are quadrilaterals?

Quadrilaterals are shapes that have four sides; these four sides may or may not be:

ParallelCongruent

Check below on how to determine the probability

From the question, we have the following parameters:

n(E) = 5n(R) = 8n(E and R) = 2None = 9n(U) = 20

The probability that the quadrilateral has four equal side lengths, given that the quadrilateral has four right angles is calculated using:

P(E | R) = n(E and R)/n(R)

This gives

P(E | R) = 2/8

Express as percentage

P(E | R) = 25%

Hence, the probability is 25%

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HELP PLEASE FOR MATH TEST REVIEW

Answers

Answer:

Average rate of change; 1

Step-by-step explanation:

[tex]g(x) = x^{2} + 10x + 20[/tex]

[tex]-9\leq x\leq 0[/tex]

1. Find the end-points of the given interval

Input (-9) and (0) into the equation.

Input (-9)

[tex](-9)^2 + 10(-9) + 20[/tex]

81 - 90 + 20

11

point is; (-9, 11)

Input (0)

[tex](0)^2 + 10(0) + 20[/tex]

0 + 0 + 20

20

point is; (0, 20)

2. Find the slope

Now find the slope between the two points, the equation for the slope is;

[tex]\frac{y_{2}-y_{1}}{x_2-x_1}[/tex]

Substitute in the points;

[tex]\frac{11-20}{0-(-9)}[/tex]

-[tex]\frac{9}{9}[/tex]

= -1

The person above is correct! Have a great day! And God bless!

Answers or correcting please

Answers

Answer:

Looks right to me! Great work!

m and m
A) -9
C) 0
B) 10
D) -10
A
B
C С
D

Answers

Answer:

B

Step-by-step explanation:

∠ BSR + ∠ TSB = ∠ TSR , substitute values

2x + 17 + 5x + 15 = 102 , that is

7x + 32 = 102 ( subtract 32 from both sides )

7x = 70 ( divide both sides by 7 )

x = 10 → B

What is the first step when solving the equation?
2x - 31 = -9x + 24
subtract 9x from both sides
add 9x to both sides
add 2x to both sides

Answers

Answer: add 9x by both sides.

you can’t subtract 9x to both sides because you have to do the opposite.

you can’t add 2x to both sides because again, you have to do the opposite.

Graph the function.
Plz help ASAP !!

Answers

here ya go. also if you have anymore graphing problems i suggest using desmos. hope this helps!

the lengths of the sides of a triangle are 14, 15, and x. What are all of the possible values of x?

Answers

Answer b and e

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

did test

Find the slope.
15
N
0 1
2
3
4
5
6
7
a
2
b
1/2
с C
2/4
d

Answers

Answer:

2/4

Step-by-step explanation:

NEED HELP ASAP PLEASE SHOW WORK

Answers

Step-by-step explanation:

—Math

x² – 2x + 7 = 4x – 10

x² –2x – 4x + 7 + 10= 0

x² –6x + 17 = 0

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