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nekit [7.7K]
3 years ago
8

Three times a number is 201 what is the number?

Mathematics
2 answers:
FromTheMoon [43]3 years ago
5 0
The number is 67. 

201/3 = 67


lana [24]3 years ago
4 0
Your equation is 3n = 201.

You have to isolate n so divide 3 to 201.

201/3 = 67.
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Pls help on any of these problems thankssss
cricket20 [7]

Answer:

20. y=-2x+7

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP!!!!! What is the value of x in the matrix equation below?
Brums [2.3K]

The given matrix equation is,

1.5\left[\begin{array}{cc}x&6\\8&4\end{array}\right] +y\left[\begin{array}{cc}1&4\\3&2\end{array}\right] =\left[\begin{array}{cc}z&z\\6z&2\end{array}\right].

Multiplying the matrices with the scalars, the given equation becomes,

\left[\begin{array}{cc}1.5x&9\\12&6\end{array}\right] +\left[\begin{array}{cc}y&4y\\3y&2y\end{array}\right] =\left[\begin{array}{cc}z&z\\6z&2\end{array}\right]  \\

Adding the matrices,

\left[\begin{array}{cc}1.5x+y&9+4y\\12+3y&6+2y\end{array}\right]  =\left[\begin{array}{cc}z&z\\6z&2\end{array}\right]  \\

Matrix equality gives,

1.5x+y=z\\ 9+4y=z\\ 12+3y=6z\\ 6+2y=2

Solving the equations together,

y=-2\\ 3y-1.5x=9\\ -1.5x=9+6\\ x=-10

We can see that the equations are not consistent.

There is no solution.

3 0
3 years ago
Which expression is equivalent to (2x-5)-(3x-8)<br> A.-x-13<br> B.-x+3<br> C.2x-16<br> D.5x-3
kramer
Answer is B.-x+3

<span>(2x-5)-(3x-8)
</span>= <span>2x-5-3x+8
=-x + 3</span>
4 0
3 years ago
Help pls I have no clue how
Goryan [66]

Answer:

Step-by-step explanation:

By using regression line calculator,

Equation of the regression line from the data given,

y = -0.38993x + 26.95184

Here, y = weekly hours of sport

x = Time to run

For x = 50 minutes,

y = -0.38993(50) + 26.95184

  = 7.45534

  ≈ 8

Since, slope of the given regression line is negative, correlation will be negative (n).

3 0
3 years ago
Math Question? Help needed.
8090 [49]
It is b 

xX HOPE IT HELP Xx
8 0
3 years ago
Read 2 more answers
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