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Ratling [72]
2 years ago
13

Give brainliest answer Nadal invests $5,678 at an annual interest rate of 4.5 percent for 6 years. For which variable can Nadal

substitute the value 5,678 in the simple interest formula?i-prt A.I B.p C.r D.t
Mathematics
2 answers:
VARVARA [1.3K]2 years ago
8 0
5678(1+(0.045×6))
5678=P as it is the principal amount
Stels [109]2 years ago
5 0

Answer:

B. p

Step-by-step explanation:

Since, the simple interest is,

I=p\times r\times t

Where, p is the invested or principal amount,

r is the annual rate of interest ( In decimal ),

t is the time ( In years ),

It is given,

$5,678 is invested at an annual interest rate of 4.5 percent for 6 years.

⇒ p = 5678, r = 4.5 % = 0.045 and t = 6,

Hence, he can substitute p for the value 5,678 in the simple interest formula.

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A teacher collected information from a class of 25 students about the time, in hours, they spent studying the previous week and
amm1812

Answer:

Correlation will not change.

Correlation coefficient = -0.72

Step-by-step explanation:

We are given the following in the question:

Correlation coefficient between hours spent studying and hours spent on the Internet = -0.72

Properties of correlation coefficient:

  • Correlation is a technique that help us to find or define a relationship between two variables.
  • It is a measure of linear relationship between two quantities.
  • It is not affected by the units of the variable or change in units of the variable.

Thus, if the units of each variable is changed from hours to minutes, the correlation coefficient remains the same between minutes studying and minutes spent on the Internet.

5 0
2 years ago
Which of the following includes a coefficient?
Mumz [18]

A 3x + 2

Step-by-step explanation:

3x+2 is a polynomial.

If the variable in a  term of polynomial is multiplied by a number, then this number is called the "coefficient"

It contains a first degree term as highest degree term and one constant term.

coefficient=3

constant=2

variable=x(first degree term)

8 0
2 years ago
What is the length of ac?
leonid [27]

Answer:

Step-by-step explanation:

Given triangles are similar, so we setup a proportion  

(140-x)/81 = x/9

solving gives x = 14

AC = 140-x = 140-14 = 126

7 0
2 years ago
Read 2 more answers
Kai left her mansion and walked 7 miles south. Then, she turned and walked 5 miles to the east. How far is Kai from home?
Alexandra [31]

easy 12 miles from home

Step-by-step explanation:

first add 7 +5 to get 12

8 0
2 years ago
Peter opens a new bookstore and pays the book publisher $3.00 for each book he buys from them. The amount Peter pays is given by
melisa1 [442]
F(x) = 3x ; where x is the number of books purchased.

x  f(x)
0    0
1    3
2    6
3    9
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5   15

I saw this problem and the instruction was to graph the function and show the domain and range. 

The domain is all the x-values while the range is all the y-values.
7 0
2 years ago
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