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vichka [17]
3 years ago
13

7×6 = 42 that means that six and seven are factors of 42 true or false explain

Mathematics
1 answer:
schepotkina [342]3 years ago
5 0

Answer:

Step-by-step explanation:true by multiplying 6x7=42

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I don’t really understand for question 11 to 13

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3 years ago
According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is .22. A r
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Answer: d. There is no relationship between education level and smoking habits.

Step-by-step explanation:

The null hypothesis is the affirmation that two parameters or phenomena do not have a relation between them.

Here the parameters are smoking and having a bachelor's degree or higher education.

Then the null hypothesis says that those two things do not have any relation, this would imply that the probability of being a smoker does not depend on having a degree or not.

Then the correct option is d "There is no relationship between education level and smoking habits."

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Solve for the roots in simplest form using the quadratic formula:<br> 4x2 + 4x = -5
weqwewe [10]

Answer:

Step-by-step explanation:

Move all terms to one side

4x^2 + 4x + 5 = 0

Plug into quadratic formula

x = (-4 <u>+</u> \sqrt{16 - 4(4)(5)}) / 2(4)

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At this point, there are no real answers. The roots to this equation are complex.

x = (-4 <u>+</u> 8i)/8

  = (-1 <u>+</u> 2i)/2

6 0
3 years ago
A cheetah ran 196 meters in 8 seconds. Choose each statement that is true. A. 00:00 The cheetah can run 125 meters in 6 seconds.
KiRa [710]
Answers B, C, D are all correct!

If a cheetah ran 196m is 8 seconds, then 196/8 = 24.5 meters per second.

Let’s verify all answers:

A) 24.5 x 6 = 147. 147m are ran in 6 seconds, not 125.
B) 24.5 x 10 = 245. This answer is correct!
C) We’ve establishes that a Cheetah ran 24.5 meters per second. Correct!
D) Since one minute equals 60 seconds, 24.5 x 60 = 1470. Correct!
E) 24.5 x 5 = 122.5. In this time frame, a cheetah wouldn’t run 125m.
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The following table represents the altitude of a hiker climbing in Mountain over a 60 minute hike. Calculate the average rate of
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Answer:

The correct answer is B. The rate of change is about 3 feet per minute

I hope this helped!

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3 years ago
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