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4 years ago

Write a multiplication expression that represents a student getting 1/5 of each four ounces of paint.

Mathematics

2 answers:

lisabon 2012 [21]4 years ago

4 0

1/5x4

Or 1/5x 4/1 same thing

Nookie1986 [14]4 years ago

4 0

I hope I get this right:

1/5x4

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What is the standard deviation from the mean roundest to the nearest tenth

Sedaia [141]

The standard deviation from the mean of the data with a variance of 36 is: B. 6.

<h3>What is Standard Deviation?</h3>

Standard deviation can be described as the average of the distance each of the value lies from the mean of the data.

The standard deviation is the square root of the variance.

Variance of the data is given already as 36.

Standard deviation = √36 = 6.

The answer is B. 6.

Learn more about the standard deviation on:

brainly.com/question/12402189

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3 years ago

A. Describe a dilation (center and scale factor) that transforms triangle RST into triangle R'S'T' or explain why it cannot be d

Len [333]

To find the center of enlargement, draw a line that connects corresponding vertices, as shown below.

The transformation that map RST to R'S'T' is an enlargement with scale factor of 3 and center of (0,0)

4 0

4 years ago

Read 2 more answers

7.4.PS-6

Sedaia [141]

Answer:

The area of the given polygon is:

232 cm^2

Step-by-step explanation:

To find the area of the polygon in the picture, you can divide the polygon in three rectangles: a 3 cm by 14 cm, a 5 cm by 14 cm rectangle, and the last rectangle must have a base of 12 cm (20 cm - 3 cm - 5 cm), and a height of 10 cm (14 cm - 4 cm). We can calculate the area of the rectangles with the formula below:

Area of a rectangle = Base * height

Now, we're gonna replace the measurements in the formula.

First rectangle:

Area of a rectangle = 3 cm * 14 cm
Area of a rectangle = 42 cm^2

Second rectangle:

Area of a rectangle = 5 cm * 14 cm
Area of a rectangle = 70 cm^2

Third rectangle:

Area of a rectangle = 12 cm * 10 cm
Area of a rectangle = 120 cm^2

By last, we must add the area of the rectangles:

Area of the polygon = 42 cm^2 + 70 cm^2 + 120 cm^2
Area of the polygon = 232 cm^2

As you can see, the area of the polygon in the picture is 232 cm^2.

5 0

3 years ago

Graph the linear inequality. 3x – 4y > 8 HELP ASAP

DedPeter [7]

Brainly isn’t letting me insert a picture but the anwser is y<2+3x/4

7 0

3 years ago

Need help with math homework

Pavel [41]

Hello!

The answer for A is:

$X1=-1\\X2=5$

The answer for B is: The rocket will hit the lake surface in 5 seconds.

Defining the terms:

$a=-16\\b=64\\c=80\\$

So, replacing it in the quadratic equation (it's given to you in the exercise)\\

$x=\frac{-b+-\sqrt{b^{2}-4*a*c } }{2*a}$

$x=\frac{-64+-\sqrt{64^{2}-4*-16*80 } }{2*-16}$

$x=\frac{-64+-\sqrt{64^{2}+5120} }{-32}=\frac{-64+-\sqrt{4096+5120} }{-32}\\x=\frac{-64+-\sqrt{9216} }{-32}=\frac{-64+-\ 96 }{-32}\\x=\frac{-64+-\ 96 }{-32}\\x1=\frac{-64+\ 96 }{-32}=\frac{32}{-32} =-1\\\\x1=\frac{-64-\ 96 }{-32}=\frac{-160}{-32} =5\\$

We are working with a quadratic equation, so we will have two possible results,

$X1=-1\\X2=5\\$

Now, we are asked to find the time, time can not be a negative value, we have to discard X1 (-1) since it's a negative value, knowing that, the rocket will hit the lake after 5 seconds.

Have a nice day!

5 0

4 years ago