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aev [14]
3 years ago
14

Music may help people relax. John got two groups of people together. He took everybody's pulse of blood pressure. The one group

to listen to soothing music while other group sat in silence. After the song was over, he measured everyone's pulse and blood pressure.
What is the independent variable?
What is the dependent variable?
What are the constants or control variables?
Mathematics
1 answer:
aivan3 [116]3 years ago
5 0
Independent: Music or silence

Dependent: Pulse and blood pressure

Constants: Similar rooms, similar temperature, similar heart health, same time in areas, same kind of environment, etc.
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The pay, P, at a certain job is calculated by the formula P=Bh, where b is the base pay and h is the number of hours worked. if
Alexxx [7]
If you would like to know the Tom's pay for the week, you can calculate this using the following steps:

P = B * h
P ... the pay
B ... the base pay
h ... the number of hours worked

B = $6.35
h = 28 hours
P = B * h = $6.35 * 28 hours = $177.8

<span>Tom's pay for the week would be $177.8.</span>
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3 years ago
Identify Like terms : 3y2, 2/3x, -3/4y2, 5x, 12x2
wel
3y^2 and -3/4y^2 
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12x^2
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3 years ago
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OleMash [197]

Answer:

B

Step-by-step explanation:

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1026 ÷ 18 = 57

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3 years ago
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Molodets [167]
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4 years ago
What are the missing statement and reason in step 2 of the proof? Statement: ∠ABC ≅ ∠BCD, ∠BAD ≅ ∠ADC Reason: For parallel lines
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Answer:

Statement: AB=CD, BC=AD

Reason: By definition of parallelogram .

Statement: AC=AC

Reason: Reflexive property of equality.

Step-by-step explanation:

1.Statement: \angle ABC\cong \angle BCD,\angle BAD\cong \angle ADC.

Reason: For parallel lines cut by a transversal , corresponding angles are congruent.

2.Statement:AB=CD,BC=AD

Reason: By definition of parallelogram.

3.Statement: AC=AC

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4.Statement: \triangle ABC\cong \triangle CDA.

Reason: SSS criterion for congruence.

5.Statement:AB\cong CD, BC\cong AD.

Reason: Given .

6.Statement: AB\parallel CD, BC\parallel AD.

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7 0
3 years ago
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