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Sloan [31]
3 years ago
5

In the experimental method, the researcher manipulates one variable by changing its value from one level to another, then measur

es a second variable to see if it changes. the variable that is measured is called the independent variable.
a. True
b. False
Mathematics
1 answer:
Anna11 [10]3 years ago
7 0
The variable that is changed is the cause and the second variable is the effect and is the dependent variable. So the answer is b. False.
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Please answer! Correct answers get brainiest.
egoroff_w [7]

Answer:

7/5 y --> y+ 2/5y

0.68y --> y - 0.32y

3/5y --> y - 2/5y

1.32y --> y+ 0.32y

Step-by-step explanation:

Pretend there is a 1 in front of each y that doesn't have a number (coefficient) in front of it. 1 = 5/5, and then just solve for the fraction expressions.

7 0
2 years ago
Read 2 more answers
I need a little extra help with number three
diamong [38]

Answer:

The answer to your question is:

Step-by-step explanation:

Data

f(x) = -2x² + 8x - 2

Process

                -2x² + 8x = y + 2

                -2(x² - 4x + 4) = y + 2 - 8

                -2(x - 2)² = y - 6

                    (x - 2)² = 1/2 (y - 6)

Vertex = (2, 6)

Axis of symmetry =   x = 2

y-intercept

                 f(0) = -2(0)² + 8(0) - 2

                 f(0) = 0 + 0 - 2

                 f(0) = -2

Domain    (-∞, ∞)

Range    (-∞, 6]

See the graph below

6 0
2 years ago
The diameter of a circle is 15 ft. Find its circumference in terms of \piπ.
Paladinen [302]
C= 2pi
15= diameter. Radius= 15/2. R= 7.5
C= 2 times pi times 7.2
C=15 pi
C= 47.1
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2 years ago
A sale at a furniture store advertised that all furniture was being sold at 40% off the
slava [35]
It’s b. Find the inverse of this function
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3 years ago
1-8 please help<br> Me fast if possible
Anastasy [175]

#1 is y=1 ill give you the others in a min.

5 0
3 years ago
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