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dem82 [27]
3 years ago
11

Solve the equation

Mathematics
1 answer:
AysviL [449]3 years ago
8 0

9514 1404 393

Answer:

  A. the solution is x = -72

Step-by-step explanation:

Eliminating parentheses gives ...

  5x +40 = 4x -32

  x = -72 . . . . . . . . . . . subtract (4x+40)

There is one solution: x = -72.

You might be interested in
in a recent year a baseball paid nine times as much to their ace pitcher as they paid their shortstop. if they paid $90 million
OleMash [197]

Answer:

9 Million and 81 Million

Step-by-step explanation:

90-9= 81

81 divided by 9= 9

81+9=90

So it is 9 and 81 Million

4 0
4 years ago
What is the numerical coefficient of the a^8*b^2 term in the expansion of ((1/3)a^2 - 3b)^6 ?
zhuklara [117]

In the binomial development, the main problem is calculation of binomial coefficients.

If we want to get term a∧8*b∧2 we see that this is the third member in binomial development (n 2) a∧n-2*b∧2

The given binomial  is ((1/3)a∧2 - 3b)∧6, the first element is (1/3)a∧2, the second element is (-3b) and n=6 when we replace this in the formula we get

(6 2) * ((1/3)a∧2)∧(6-2) * (-3b)2 = (6*5)/2 * ((1/3)a∧2)∧4 *9b∧2= 15*(1/81)*9 *(a∧8b∧2) =

= 15*9* a∧8b∧2 = 135*a∧8b∧2

We finally get numerical coefficient 135

Good luck!!!


7 0
4 years ago
Meaning of dimentional​
lidiya [134]
Dimensional is width, depth, and height. So for example a square has two dimensions and a cube has three.
3 0
3 years ago
1.) What is the domain and range of the function in the graph?
olga_2 [115]

Answer:

Domain → (-∞, ∞)

Range → (-2, ∞)

Step-by-step explanation:

1). Domain of a function is defined by the input values (set of x-values) and Range of the function is defined by the output values (set of y-values).

From the graph attached,

Function is defined for all real values of x.

Therefore, domain of the function will be (-∞, ∞).

On y-axis values of the function vary from -2 (excluding 2) to positive infinity.

Therefore, range of the function will be (-2, ∞).

2). Average rate of change of a function in the interval (a, b) is defined by,

Average rate of change = \frac{f(b)-f(a)}{b-a}

By using this expression we can find the average rate of change in the given interval.

Please give the correct interval for which the average rate of change is to be calculated.

8 0
3 years ago
The diameter of a circle is 9 m. Find the circumference \textit{to the nearest tenth}to the nearest tenth.
vredina [299]

Answer:

C=28.3m

Step-by-step explanation:

From the question we are told that:

Diameter d=9m

Radiusr=4.5m

Generally the equation for Circumference of a circle is mathematically given by

C=2\pi r\\\\\C=2*\pi*4.5m

C=28.3m

8 0
3 years ago
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