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larisa86 [58]
2 years ago
11

I need help with this question!!

Mathematics
1 answer:
amm18122 years ago
5 0
Sorry what question? I don’t see anything so I can’t help.
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Suppose a classroom teacher wants to measure whether offering candy as a reward will increase the number of times that a student
ahrayia [7]

Answer:

C) Matched pairs

Step-by-step explanation:

Matched samples (also called matched pairs, paired samples or dependent samples) is a type of sampling that involves pairing participants that share every characteristic except for the one under study. The paired participants could be same individuals studied at different time such as:

  1. The study of same participants before and after an interference.
  2. The study of the same participants at two different interference.
5 0
3 years ago
It’s urgent please help
Inessa [10]

Answer:

domain is always the x values and y values are the range of x.

It's option A

5 0
3 years ago
I don't understand how to solve this. Can someone help me?
Marat540 [252]

Answer: 62-48=14

Step-by-step explanation: therefor the bottom right hand corner is 14.

hope this is right ;)

7 0
3 years ago
Read 2 more answers
A certain television is advertised as a 53-inch TV (the diagonal length). If the width of
zhenek [66]

The TV is 45 inches tall.

Step-by-step explanation:

The diagonal length of television = 53 inches

Width of TV = 28 inches

As TV is in rectangular or square shape, a diagonal will form a right triangle

Where,

Diagonal = hypotenuse = c = 53 inches

Width = base = b = 28 inches

Length = perpendicular = a

we will use pythagorean theorem to find the length.

a^2+b^2=c^2\\a^2+(28)^2=(53)^2\\a^2+784=2809\\a^2=2809-784\\a^2=2025

Taking square root on both sides

\sqrt{a^2}=\sqrt{2025}\\a=45

The TV is 45 inches tall.

Keywords: triangle, square root

Learn more about square root at:

  • brainly.com/question/10772249
  • brainly.com/question/10781917

#LearnwithBrainly

6 0
3 years ago
7 rectangles in every 140 cm.how many rectangles will be presented in 220 cm
Monica [59]
140/7=20
220/20=11
the answer is 11
5 0
3 years ago
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