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kvasek [131]
3 years ago
15

Which phrase describes the variable expression z+ 8?

Mathematics
1 answer:
a_sh-v [17]3 years ago
5 0

9514 1404 393

Answer:

  A. z increased by 8

Step-by-step explanation:

When a positive value is added, the original value (z) is <em>increased</em>.

  z + 8   ⇔   z increased by 8

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A boat is moored at a dock, as shown in the figure.
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Answer: 12.3 ft.

Step-by-step explanation:

In the given picture we can see there is a right triangle with hypotenuse 15 ft.

Using trigonometry in the given right triangle, we have

\cos35^{\circ}=\frac{\text{Side adjacent to}\ 35^{\circ}}{\text{Hypotenuse}}\\\\\Rightarrow\ 0.81915204428=\frac{A}{15}\\\\\Rightarrow\ A=0.81915204428\times15\\\\\Rightarrow\ A=12.2872806642\approx12.3\ ft.

Hence, the  length of rope A = 12.3 ft.

8 0
3 years ago
Read 2 more answers
PRICES The Consumer Price Index (CPT) gives the relative price for a fixed set of goods and services. The CPI from
slavikrds [6]

Using function concepts, it is found that the turning points of the graph are:

  • November 2000, when it goes from increasing to decreasing.
  • December 2000, when it goes from decreasing to increasing.
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In a graph:

  • A function is increasing if it is <u>pointing upwards.</u>
  • If it is <u>pointing downwards,</u> it is decreasing.
  • A turning point is when the function changes from <u>decreasing to increasing or vice-versa</u>.

In this problem:

  • Initially, the function is increasing.
  • In month 3, that is, November 2000, it starts to decrease, thus, in November 2000, we have a<u> turning point.</u>
  • The next month, that is, December 2000, it starts to increase again, so it is another <u>turning point</u>.
  • It increases until month 9, which is June 2001, when it starts to decrease, being the <u>final turning point.</u>

A similar problem is given at brainly.com/question/13539822

7 0
3 years ago
Emily is entering a bicycle race for charity. Her mother pledges $0.90 for every 0.75 mile she bikes. If Emily bikes 15 miles, h
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18 because 15÷0.75 is 20. 20×.90 is 18. -JZ
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In Mr. Kim’s history class, there are sixteen male students and twelve female students. Which of the following expresses the rat
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The ratio is 12:16, which, when simplified, is 3:4.
For every three girls, there are four boys.
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3 years ago
true or fales: a significant correlation indicates that changes in the values of one factie cause changes in the values of a sec
natka813 [3]

Answer:

A significant correlation means that there is a significant (in a statistical point of view) correlation between two things.

Then a significant correlation means that we have a (measurable) correlation between the variables in our experiment.

Now, the factors are the variables that experimenters control during an experiment in order to determine their effect on the response variable, then having a positive correlation between two factors, means that when we change one, the other is also affected by the change in the first one.

Then the statement is true.

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