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Juli2301 [7.4K]
3 years ago
7

A gallon of water weighs 8 1/3 lb. How much does 1 1/5 gallon of water weigh?

Mathematics
1 answer:
kari74 [83]3 years ago
3 0
The answer is 10 lb. :)
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Transformations can be thought of as functions that take the points from one object (the pre-image) to the corresponding points
sweet-ann [11.9K]

1. Translation of a units to the right and b units up has rule:

(x,y)→(x+a,y+b).

Then the function is

T(x,y)=(x+a,y+b).

2. Reflection across the y-axis acts in following way:

(x,y)→(-x,y).

Then the function is

R_y(x,y)=(-x,y).

3. Reflection across the x-axis acts in following way:

(x,y)→(x,-y).

Then the function is

R_x(x,y)=(x,-y).

4. Rotation of 90 degrees counterclockwise about the origin, point O acts bu the rule:

(x,y)→(-y,x).

Then the function is

R_{O,90^{\circ}}(x,y)=(-y,x).

5. Rotation of 180 degrees counterclockwise about the origin, point O acts bu the rule:

(x,y)→(-x,-y).

Then the function is

R_{O,180^{\circ}}(x,y)=(-x,-y).

6. Rotation of 270 degrees counterclockwise about the origin, point O acts bu the rule:

(x,y)→(y,-x).

Then the function is

R_{O,270^{\circ}}(x,y)=(y,-x).

4 0
3 years ago
Help me plz I neeed​
dybincka [34]

AnsWER:

shaded: 40% unshaded 60%

Step-by-step explanation:

ONLY 4 ROWS ARE SHADED

non shaded are 6 rows

10 rows in total

8 0
3 years ago
Read 2 more answers
Below is the graph of y = |x| . .Translate it to make it the graph of of y=|x-2|+4
sineoko [7]
Explanation

Given a function f(x) we translate the function:

• a units horizontally (a > 0 to the right, a < 0 to the left),

,

• b units vertically (b > 0 up, b < 0 down),

by the transformation:

f(x)\rightarrow g(x)=f(x-a)+b.

In this case, we have:

\begin{gathered} f(x)=|x|, \\ g(x)=|x-2|+4=f(x-2)+4. \end{gathered}

Comparing f(x) and g(x) with the general transformation above, we see that the graph of g(x) is the graph of f(x) translated:

• a = 2 units to the right,

,

• b = 4 units up.

Translating the graph of f(x), we get:

Answer

The translated graph is the graph in red:

7 0
1 year ago
Lake Okeechobee’s water level was at sea level in April. In May, the lake’s level rose 4 inches and in June it rose 2 more inche
Mice21 [21]

Answer:

Just here for points XD.

Step-by-step explanation:

7 0
3 years ago
Construct a​ 99% confidence interval for the population​ mean, mu. Assume the population has a normal distribution. A group of 1
Zarrin [17]

Answer:

99% confidence interval for the population​ mean is [19.891 , 24.909].

Step-by-step explanation:

We are given that a group of 19 randomly selected students has a mean age of 22.4 years with a standard deviation of 3.8 years.

Assuming the population has a normal distribution.

Firstly, the pivotal quantity for 99% confidence interval for the population​ mean is given by;

         P.Q. = \frac{\bar X - \mu}{\frac{s}{\sqrt{n} } } ~ t_n_-_1

where, \bar X = sample mean age of selected students = 22.4 years

             s = sample standard deviation = 3.8 years

             n = sample of students = 19

             \mu = population mean

<em>Here for constructing 99% confidence interval we have used t statistics because we don't know about population standard deviation.</em>

So, 99% confidence interval for the population​ mean, \mu is ;

P(-2.878 < t_1_8 < 2.878) = 0.99  {As the critical value of t at 18 degree of

                                                freedom are -2.878 & 2.878 with P = 0.5%}

P(-2.878 < \frac{\bar X - \mu}{\frac{s}{\sqrt{n} } } < 2.878) = 0.99

P( -2.878 \times {\frac{s}{\sqrt{n} } } < {\bar X - \mu} < 2.878 \times {\frac{s}{\sqrt{n} } } ) = 0.99

P( \bar X -2.878 \times {\frac{s}{\sqrt{n} } < \mu < \bar X +2.878 \times {\frac{s}{\sqrt{n} } ) = 0.99

<u>99% confidence interval for</u> \mu = [ \bar X -2.878 \times {\frac{s}{\sqrt{n} } , \bar X +2.878 \times {\frac{s}{\sqrt{n} } ]

                                                 = [ 22.4 -2.878 \times {\frac{3.8}{\sqrt{19} } , 22.4 +2.878 \times {\frac{3.8}{\sqrt{19} } ]

                                                 = [19.891 , 24.909]

Therefore, 99% confidence interval for the population​ mean is [19.891 , 24.909].

6 0
3 years ago
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