Eureka has 20 yo-yos she has two times as many yo-yos as Polly how many yo-yos does polly have?

Answer:

Martin saved $75 on the television because of the sale

Step-by-step explanation:

Equations

Let's call x=the original price of the television (before discount).

The television had been on sale for 25% off, this means the discount was:

25% of x = [tex]\frac{25}{100}.x[/tex] = 0.25x

The sale price was the original price minus the discount:

x - 0.25x = 0.75x

This is what Martin paid, thus:

0.75x = 225

Dividing by 0.75:

x = 225 / 0.75

x = $300

The original price of the television was $300, and the discount was:

0.25*$300 = $75

Martin saved $75 on the television because of the sale

Answer:

=2x - 21y

Step-by-step explanation:

One step at a time

-3(x + 4y) = -3x - 12y

2(x - 2y) =2x - 4y

=-3x - 12y + 2x - 4y + 3x -5y

=2x - 21y

Answer:

4, 14, 14, 16

Step-by-step explanation:

Key skills needed: Casework, Mean, Median, and Mode

1) We start with 4 numbers _ _ _ _

2) We can determine two of the numbers by using the fact that the median is 14 and the mode is 14.

3) The numbers would have to be:

The 2nd one does not work because the last number would have to be a 6 to have a mean of 12, but the range would not be 12.

4) So, our numbers are _ 14 14 _

5) The two numbers add up to 20 (in order to have a mean of 12. If you subtract the bigger one by the smaller one, it will be 12.

6) We can make a system: saying x is the bigger number and y is the smaller number.

x + y = 20

x - y = 12

Add both and you will get 2x = 32 (since the y values cancel out).

7) divide by on both sides, and x = 16.

8) To find y, we can plug x back in to one equation:

16 + y = 20

y = 4

Our smaller number is 4 and our bigger number is 16.

9) Therefore the numbers are: 4, 14, 14, 16

Hope you understood and have a nice day!! :D

Answer:

7.66

Step-by-step explanation:

Just open the parenthesis.

4x-4+4x+4x-4=84

Now simplify and solve

12x-8=84

12x=92

x= 7.66

Answer:

See Explanation

Step-by-step explanation:

Both vertical lines are parallel to each other. (given)

Similarly, both horizontal lines are also parallel to each other.. (given)

So, quadrilateral obtained by the intersection of both vertical and horizontal lines is a rectangle.

Therefore,

[tex] \angle 7 \cong \angle 6... (1)[/tex]

(corresponding angles)

[tex] \angle 6 \cong \angle 5... (2)[/tex]

(corresponding angles)

From equations (1) & (2)

[tex] \angle 7 \cong \angle 5... (3)[/tex]

(By Transitivity)

[tex] \angle 5 \cong \angle 10... (4)[/tex]

(vertical angles)

From equations (3) & (4)

[tex]\huge \purple {\boxed {\angle 7 \cong \angle 10}} [/tex]

(By Transitivity)

There are several other ways to prove it as well.

Answer:

1/4

Step-by-step explanation:

in parallel lines, the slope is the same, the y-intercept is the one that changes

answer- undefined term is used to define an angle

Search instead for Which undefined term is used to define an angel

From the term line the term angle can be defined because when two lines intersect at a point an angle is formed. ... Therefore, the undefined term which is used to define the term an angle is line.

Step-by-step explanation:

Answer: line

Step-by-step explanation: In geometry, the three terms which are

considered to be undefined is line, point and plane.

Answer: 1/2

do you have a unit circle?

Step-by-step explanation:

Answer: 4 weeks

Step-by-step explanation: 28 divided by 7 is 4.

Answer:

9.40L

Step-by-step explanation:

Answer:

perpendicular

Step-by-step explanation:

This question only asks about the slope of the line, so the intercept doesn't matter. You can see that the slope of one line is 3x and the other is -3x so they're perpendicular

Answer:

V=9

Step-by-step explanation:

9 times 3 equals 27 and that's how I got 9

Answer: 1+4(30)-12x

              1+4*30- 12*x X is  equal to 1 so 12x Will be 12

               1+4*30-12

                5*30-12

                150-12

                138    so not it dosen't equal 9

Step-by-step explanation: do PEMADS please excuse my dear ant saly

Answer:

8.5 hours

Step-by-step explanation:

Draw a line of best fit to predict

Answer:

x= -5

Step-by-step explanation:

its kinda complex, i don't know if my answer is right but i think it has to do with propertions

if its right can i have brainliest

Answer:

its d

Step-by-step explanation:

Step-by-step explanation:

A = 12x^3y^2

P = 2(4x^2y+3xy)

Answer:

[tex] \cos( \theta) \\ \cos(45) = \cos( \frac{\pi}{4} ) \\ = \frac{1}{ \sqrt{2} } \\ or \\ = \frac{ \sqrt{2} }{2} [/tex]

Answer:

the length of BC is 9.

x=9

Answer:

here is your answer.....

the length of BC is 9

ANSWER:OPTION C

Answer:

Velocity of plane is 100 mi/hr along northeast direction

Step-by-step explanation:

From the question it is given that Initial velocity of plane is 150 mi/hr along east north direction and wind is blowing at 50 mi/hr along southwest direction

since the velocity of wind and plane is exactly opposite

⇒ relative velocity of plane with respect to wind is given by

[tex]v_r_e_l = v_p - v_w[/tex] where [tex]v_p[/tex] is the velocity of plane = 150mi/hr and [tex]v_w[/tex] = velocity of wind = 50 mi/hr

Therefore, [tex]v_r_e_l = v_p - v_w[/tex]  = [tex]v_r_e_l = 150 - 50 = 100 mi/hr[/tex] alond northwest direction

Therefore, velocity of plane is 100 mi/hr along northeast direction

By working with the velocity vectors, we will find that the direction of motion of the plane is 28.7 south of east.

First, we need to define our coordinate axis, I will define the x-axis as the east and the y-axis as the north.

We know that the plane travels at 150 mi/hr at 100° east of north, notice that if we measure from the positive x-axis, this is equivalent to an angle of -10°.

So the vector is:

V =  < 147.7 mi/hr,  -26 mi/hr >

Now we know that the wind blowing at 50mi/hr at southwest, exactly southwest would be at an angle of 225°, so the components of the vector are:

So the vector is:

W = < -35.4 mi/hr, -35.4 mi/hr>

The sum of the vectors gives the total velocity of the plane in the wind, we will get:

V + W =  < 147.7 mi/hr -35.4 mi/hr ,  -26 mi/hr -35.4 mi/hr >

V + W =  <112.3 mi/hr, -61.4 mi/hr>

The direction of a vector <x, y> is given by:

θ = Atan(y/x)

Then in this case the direction of the plane is:

θ = Atan(-61.4 mi/hr/112.3 mi/hr) = -28.7°

So the direction of the plane is 28.7° south of east.

If you want to learn more about vectors, you can read:

https://brainly.com/question/17108011

Answer:

(A) 18

(B) 45

(C) 51.2  

Step-by-step explanation:

(A, 0.6 of 30) We need to find out 0.1 of 30 so we divide 30 by 10 which gives us 3. This means that 0.1 of 30 is 3. Since we know that, we multiply 3 by 6 which gives us 18.

(B, 1.5 of 30) Since we figured out that 0.1 of 30 is 3 on the first question, we can multiply 3 by 15 which gives us 45.

(C. 1.6 of 32) We need to find out 0.1 of 32 so we divide 32 by 10 which gives us 3.2. Now, we divide 3.2 by 16 which gives us 51.2.

I really hope that you understand. Also, I didn't really understand the question so I kind of guessed what the question was. But the answers are 99% accurate. The 1% is that I might have gotten the equations wrong.

Answer:  go look onto all of my questions. And you’ll find. The answer(sss) atleast most of them

Step-by-step explanation:

Answer:

Perimeter with brackets is: [tex]\mathbf{Perimeter = (t+7)+(t+7)+(t+7)+(t+7)}[/tex]

perimeter without brackets is:

[tex]\mathbf{Perimeter = 4t+28}[/tex]

Step-by-step explanation:

We need to write two expressions for the perimeter of given shape, one with brackets and one without.

Length of side of shape = t+7

The formula used to find perimeter is: [tex]Perimeter = Sum\: of\: all\: sides[/tex]

Since the shape has 4 sides, we get:

[tex]Perimeter = Sum\: of\: all\: sides\\Perimeter = (t+7)+(t+7)+(t+7)+(t+7)[/tex]

So, perimeter with brackets is: [tex]\mathbf{Perimeter = (t+7)+(t+7)+(t+7)+(t+7)}[/tex]

Now, finding perimeter without brackets:

[tex]Perimeter = (t+7)+(t+7)+(t+7)+(t+7)\\Perimeter = t+7+t+7+t+7+t+7\\Combining\:like\:terms:\\Perimeter=t+t+t+t+7+7+7+7\\Perimeter=4t+28[/tex]

So, perimeter without brackets is:

[tex]\mathbf{Perimeter = 4t+28}[/tex]

Answer:

3/4

Step-by-step explanation:

1/2 = 2/4 amd 1 1/4 =5/4

5/4-2/4=3/4

Answer: it’s commutative property.

Step-by-step explanation: commutative property is when you switch numbers but the answer still stays the same. Hope this helped!

0.1 or 1/10 yards

So we know that Colton cut 1⁄2 of a yard of ribbon into equal pieces to make the decorations so what we can do is take that 1⁄2 and divided by 5 because we know that there are 5 dancers at his year end dance performance.

1⁄2 in a decimal form is 0.5 so 0.5 divided by 5 equals 0.1 or 1/10.

Answer:

There are no solutions.

Step-by-step explanation:

Let's solve your equation step-by-step.

9m−4=−3m+5+12m

Step 1: Simplify both sides of the equation.

9m−4=−3m+5+12m

9m+−4=−3m+5+12m

9m−4=(−3m+12m)+(5)(Combine Like Terms)

9m−4=9m+5

9m−4=9m+5

Step 2: Subtract 9m from both sides.

9m−4−9m=9m+5−9m

−4=5

Step 3: Add 4 to both sides.

−4+4=5+4

0=9

Answer:

Its no solution

Step-by-step explanation:

1)Combine like terms

2)Letters with numbers in one side and only Number on the other side

3)Solve

9m – 4 = -3m + 5 + 12m

    9m-4=9m+5

  9m-9m=4+5

            0=9

***Hope this Helps***

***Have a wonderful day***

Answer:

Step-by-step explanation:

Given the sequence:

The first term is 10 and the common difference is -5

The recursive formula for the given sequence is:

1. There are 26 letters in the alphabet. Only one of those letters is A. Thus, the probability of picking A is 1/26.

2. Out of the 26 letters, two are either A or B. Thus, the probability would be 2/26, or 1/13.

3. 1/26 letters in the alphabet are Z thus there is a 1/26 probability in picking this letter.

4. There are 5 vowels in the alphabet. Thus, the probability would be 5/26.

5. There are 21 consonants in the alphabet, thus the probability of selecting a consonant fron the alphabet would be 21/26.

6. 4/26, as there are 4 unique letters from the alphabet in the name Bryn.

7. 8/26, as there are 8 letters before I in the alphabet.

8. 5/26 because there are 5 letters in the alphabet following the letter U

9. 11/26 because there are 11 letters between I and U.

10. 0/26 because there are no numbers in the alphabet.