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DaniilM [7]
3 years ago
8

I really need help on this!

Mathematics
2 answers:
solong [7]3 years ago
8 0

Answer:

1,067.23

Step-by-step explanation:

1456.23 subtracted by 389 = 1,067.23

Setler [38]3 years ago
6 0

Answer:

1067.23

Step-by-step explanation:

1456.23

-398

______

1067.23

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Hi! Please asnwer this for 30 points!! "Jada applies two transformations to a polygon in the coordinate plane. One of the transf
sveticcg [70]

Using translation concepts, we have that:

  • For the translation, she has to communicate if it is up, down, left or right and the number of units.
  • For a reflection she must communicate over which line the reflection happened.

<h3>What is a translation?</h3>

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s definition or in it’s domain. Examples are shift left/right or bottom/up, vertical or horizontal stretching or compression, and reflections over the x-axis or the y-axis.

A translation is either shift left/right or bottom/up, hence she has to communicate if it is up, down, left or right and the number of units.

A reflection is over a line, hence she must communicate over which line the reflection happened.

More can be learned about translation concepts at brainly.com/question/28373831

#SPJ1

4 0
1 year ago
Find the length of side xx to the nearest tenth.<br> 30°<br> 60°<br> x<br> 9
otez555 [7]

Answer:

yes I am the only one that has a lil before I go to

4 0
2 years ago
A sample is selected from a population with μ = 46, and a treatment is administered to the sample. After treatment, the sample m
Georgia [21]

Answer:

0.5

Step-by-step explanation:

Solution:-

- The sample mean before treatment, μ1 = 46  

- The sample mean  after treatment, μ2 = 48

- The sample standard deviation σ = √16 = 4

- For the independent samples T-test, Cohen's d is determined by calculating the mean difference between your two groups, and then dividing the result by the pooled standard deviation.

                           Cohen's d = \frac{u2 - u1}{sd_p_o_o_l_e_d}

- Where, the pooled standard deviation (sd_pooled) is calculated using the formula:

                          sd_p_o_o_l_e_d =\sqrt{\frac{SD_1^2 +SD_2^2}{2} }

- Assuming that population standard deviation and sample standard deviation are same:

                          SD_1 = SD_2 =  σ = 4

- Then,

                           sd_p_o_o_l_e_d =\sqrt{\frac{4^2 +4^2}{2} } = 4

- The cohen's d can now be evaliated:

                          Cohen's d = \frac{48 - 46}{4} = 0.5

6 0
2 years ago
There are 32 students in the cafeteria, 12 girls and 20 boys. What is the ratio
tiny-mole [99]

Answer:

A

Step-by-step explanation:

12/4=3

20/4=5

5 0
3 years ago
Read 2 more answers
If the ratio of the measure of the complement of an angle to the measure of its supplement is 1:3, find the measure of the angle
prohojiy [21]
Set up and solve an equation:

3(90-x) = (180-x).  Then  270 - 3x = 180 - x, or   270 - 180 = 2x.
                                                                               90 = 2x, so x = 45 deg.

Is this true?     3(90-45) = (180-45)?  If so, x = 45 degrees is correct.
3 0
2 years ago
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