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levacccp [35]
3 years ago
14

Is it a rational number?Why or why not?

Mathematics
1 answer:
zzz [600]3 years ago
4 0
It is rational, because it can be written as a fraction.
You might be interested in
Given the system of equations: 7X, + 3X2 = 12 -6x - 3x2 = 4 a. Set up the coefficient matrix for the system and find its inverse
xz_007 [3.2K]

Answer:

Step-by-step explanation:

Given is  the system of equations:

7X_1 + 3X_2 = 12\\ -6x_1 - 3x_2 = 4

a) Coefficient matrix is

7   3

-6  -3

b) |A|= -21+18=-3

c) Inverse =

1    --1

2      -7/3

c) Solution = product of inverse matrix * (12  4) Transpose

X1 = 16 and X2 =-100/3

4 0
4 years ago
Can someone help ???​
meriva

Answer: 450

Step-by-step explanation:

971 = B + (T+71)

971-71 = 2 B

450 = B

6 0
4 years ago
Solve -3x-6>4x+8 please
WARRIOR [948]

Hi student, let me help you out!

.......................................................................................................

Let's solve this inequality by following these steps:

  1. Add 6 to both sides.
  2. Subtract 4x from both sides.
  3. Solve for x.

Step 1: Add 6 to both sides: \pmb{-3x-6+6 > 4x+8+6}.

Upon simplifying this, we obtain \pmb{-3x > 4x+14}.

Step 2. Subtract 4x from both sides: \pmb{-3x-4x > 4x-4x+14}.

Upon simplifying, we obtain \pmb{-7x > 14}.

Step 3. Divide both sides by -7.

Upon carrying this out, we obtain \pmb{x < -2}.

\ddot\bigstar Remember this...

\fbox{\sf{The\:sign\:of\:the\:inequality\:changes\:if\:both\:sides\:are\:divided/multiplied\:by\:a\:negative\:number}}

Hope this helped you out, ask in comments if any queries arise.

Best Regards!

\star\bigstar\overline{\overline{\underline{\underline{\bold{Reach\:far.\:Aim\:high.\:Dream\:big.}}}}}\bigstar\star

\underline{\rule{300}{5}}

3 0
2 years ago
Read 2 more answers
An object traveling with an initial constant speed along the y-axis begins to decelerate 4 kilometers before reaching a referenc
balandron [24]

The value that is equal to the average rate of change of the function over the interval is equal is 1 m/s

<h3>The average rate of change</h3>

Given the position of the object expressed as:

y = -t^2 + 3t - 4

In order to calculate the value that is equal to the average rate of change of the function over the interval (0, -4) and (2, -2), we will determine the slope of these two coordinates as shown;

Rate of change = -2-(-4)/2-0
Rate of change = -2+4/2
Rate of change = 2/2

Rate of change = 1 m/s

Hence the value that is equal to the average rate of change of the function over the interval is equal is 1 m/s

Learn more on rate of change here; brainly.com/question/8728504

5 0
2 years ago
Can someone help me out with this?
Anton [14]

Answer:

.5? or 1/2

Step-by-step explanation:

i think its half, because the Y factors are going down by half.

i hope that kinda made sense.

5 0
3 years ago
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