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IRISSAK [1]
3 years ago
9

In order to test a hypothesis, the variable that the scientist changes to a predetermined value is known as _________________. i

s. the controlled variable
b. the dependent variable

c. the independent variable

d. all of the above
Mathematics
1 answer:
eimsori [14]3 years ago
8 0
The controlled variable
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Answer: 4.375

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3 years ago
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Which expression is equivalent to StartRoot 128 x Superscript 8 Baseline y cubed z Superscript 9 Baseline EndRoot? Assume y grea
zepelin [54]

The expression √(128x⁸y³z⁹) is equivalent to the expression 8x⁴yz⁴ √(2yz). Then the correct option is C.

The missing options are given below.

<h3>What is an equivalent expression?</h3>

The equivalent is the expressions that are in different forms but are equal to the same value.

The expression is given below.

⇒ √(128x⁸y³z⁹)

Then the expression is given below.

⇒ √[(64 × 2)(x⁴)²(y²y)(z⁸z)]

⇒ 8x⁴yz⁴ √(2yz)

Then the correct option is C.

More about the equivalent link is given below.

brainly.com/question/889935

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4 0
2 years ago
Can someone help me Please
alisha [4.7K]
Jane:  Think:  the hypotenuse of her ramp is 14 inches and the angle opposite the rise is 30 degrees.  Thus, cos 30 deg = (adj side) / (hyp) = (adj side) / (14 in).

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Can someone please help me with math.
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Answer:

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2. Binomial

3.Polynomial

4. Constant

5.Trinomial

6. Trinomial

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Binomial- consists of two terms separated by a plus or minus sign

Trinomial- consists of three terms separated by a plus or minus sign

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Constant- a number such as 130

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3 years ago
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A horizontal line through y=−53. Explanation: Write the equation in the form y=mx+c because then we can read off the slope and the y-intercept ...

Answer:

Step-by-step explanation:

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