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harina [27]
3 years ago
11

SOMEONE HELP! i dont understand this

Mathematics
1 answer:
Andrei [34K]3 years ago
4 0

Answer:

14/50 or 7/25 or 0.28 or 28%

Step-by-step explanation:

The spinner is spun 50 times.  (8+6+9+11+9+7=50)

It lands on 1 or 2 a total of 14 times. (8+6=14)

So the experimental probability is 14 out of 50.  There are several ways this can be represented.  It depends on what your teacher wants.  it could be as a fraction or a decimal or a percentage.

14/50 or 7/25 or 0.28 or 28%

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Can anyone pls help me in dis
Charra [1.4K]

Step-by-step explanation:

The coordinates of point A (2,8) and C (5,2)

The measure of segment AC

\sqrt{ {(x2 - x1)}^{2}  +  {(y2 - y1)}^{2}  }

\sqrt{ {(5 - 2)}^{2}  +  {(2 - 8)}^{2} }

\sqrt{ {(3)}^{2} +  {( - 6)}^{2}  }

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\sqrt{45}

6.7 \: units

8 0
3 years ago
PLZ SOMEONE HELP ME AND EXPLAIN <br> THX
ELEN [110]
The graph of g is one-fifth as steep as the graph of f.

The function g basically takes the inputs for f and multiplies them by one-fifth, which means the outputs are one-fifth times those of f. Multiplying by one-fifth makes something smaller (it's the same as dividing by five). It helps to visualize this relationship, so I've attache the graphs below.

7 0
3 years ago
Change each of the following decimals to a fraction. Reduce your answer to its lowest terms.
cluponka [151]
7/100

3/10

21/125

3/ 2500

7/50

I simplified them for you
8 0
2 years ago
Solve the system of equations: <br> X+y+z=5<br> -3x-4y+4z=15<br> 2x-y-4z=-8
atroni [7]

Answer:

  (x, y, z) = (3, -2, 4)

Step-by-step explanation:

The attachment shows a solution using a graphing calculator where the first equation is solved for z, and that expression is substituted into each of the other two equations. The solution to that system is (x, y) = (3, -2). Using these values in the expression for z, we find ...

  z = 5 -(3 +(-2)) = 4

The solution is (x, y, z) = (3, -2, 4).

__

Your graphing calculator and/or online tools can give you the reduced row echelon form of the augmented matrix representing the system:

  \left[\begin{array}{ccc|c}1&1&1&5\\-3&-4&4&15\\2&-1&-4&-8\end{array}\right]

__

If you're solving by hand, you can do the substitution described above to eliminate z from one equation. You can eliminate z from another equation by adding the last two:

  -3x -4y +4(5 -x -y) = 15   ⇒   -7x -8y = -5

  (-3x -4y +4z) +(2x -y -4z) = (15) +(-8)   ⇒   -x -5y = 7

This pair of equations can be solved for x and y in any of the usual ways. Using the second equation to substitute for x, for example, gives you ...

  -7(-5y -7) -8y = -5   ⇒   27y = -54   ⇒   y = -2

  x = -5(-2) -7 = 3

  z = 5 -(3) -(-2) = 4

_____

<em>Additional comment</em>

If all that is needed is a solution, we prefer a graphical or matrix approach. These take about the same amount of time. Both require a little additional effort to determine exact values when the solutions are not integers.

6 0
2 years ago
You deposit $50 in your saving account. One week later, you withdraw $20. Write each amount as an integer.
Tju [1.3M]

Answer:

Depositing means that you added 50$ to your account. This means that you account increased by an amount of 50.

The integer describing this is +50.

Then, withdrawing means that you took money from the account. This means that your account decreased by an amount of 20.

This can be expressed as a -20 integer.

3 0
3 years ago
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