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shusha [124]
3 years ago
11

HELPPPP PLZZ QUICK I WILL GIVE BRSINLEST

Mathematics
2 answers:
olasank [31]3 years ago
7 0
A refraction cup is in the shape of a half circle. They are flat on the top and bottom with one flat edge.

 If you were to put the two flat edges together it would make a 3 dimensional cylinder
jok3333 [9.3K]3 years ago
3 0
A refraction cup that is the shape of the semicircle will create a sphere if you put two of them together.

Hope this helps:)
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Can some please help me
lianna [129]

Answer: (-1, -3)

Step-by-step explanation:

x: -2= (-3 + x)/2               y: 5 = (7 + y)/2

   -4= -3 + x                         10= 7 + y

   -1 =x                                  -3 = y

              (-1,-3)

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3 years ago
ASAP<br><br>- WILL MARK BRIANIST
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Now Mark me Brainiest

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A researcher thinks that a person's mood has an effect on how helpful that person is likely to be. To test this, the researcher
eimsori [14]

Answer:

One possible confound for the experiment is the attitude of the research assistants.

Step-by-step explanation:

A confounder simply means a variable that has impact in influencing both the dependent variable and independent variable, causing a spurious association.

So, we can conclude that the attitudes of the research assistants have positive and negative impacts in determining the reactions of both participants in the experiment.

The rudeness of a research assistant will negatively impact the response of the participant allocated to him/her.

The calmness of the other research assistant will positively impact the response of the participant allocated to him/her.

5 0
3 years ago
Explain how you could use estimation to get an appoximate answer for the expression below. (11.6+7.3) - (6.2 x 2.1)
Kruka [31]

Answer:

(11.6+7.3) - (6.2 × 2.1)

(18.9)-(13.02)

= 149.1

8 0
2 years ago
Plz Heeeeelp! 25 POINTS! I'm so desperate I made two of these worth 25 points!
vekshin1

Answer:

The answer is B, f(x)=5(2/5)^(z)

Step-by-step explanation:

I did the graphs for all of them and graph B was identical to the one in the picture.

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