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Lelechka [254]
3 years ago
13

Ranger used your advice to simplify the following expression. Follow Ranger’s steps to complete the simplified expression.

Mathematics
2 answers:
Brrunno [24]3 years ago
6 0

For this case we have the following expression:

4 (2x-5) =

We simplify according to the steps of Ranger.

We apply distributive property to the terms within parentheses.4 * (2x) -4 * (5) =

We find each product:

8x-20

Answer:

The simplified expression is 8x-20

An "8" is placed in the blank space

Vesna [10]3 years ago
3 0

Answer:

8

Step-by-step explanation:

4(2x-5) \\ \\ 4(2x)-4(5) \\ \\ 4*2=8 \\ \\ 8x-20

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Find the sample variance for the data 9,12,9,14,6. Round the answer to one decimal place. Sample variance
Feliz [49]

Answer:

9.5

Step-by-step explanation:

Find the sample variance for the data 9,12,9,14,6. Round the answer to one decimal place. Sample variance.

Step 1

We find the Mean of the numbers

Mean = Sum of terms/ Number of terms

Mean = 9+12+9+14+6/5

= 50/5

= 10

Step 2

We find the sample variance

Formula =

(x - Mean)²/n - 1

n = 5

= (9 - 10)²+(12 -10)²+(9- 10)²+(14-10)²+(6-10)²/5 - 1

= 1+ 4+ 1+ 16+16/5 - 1

= 38/5 - 1

= 38/4

= 9.5

Therefore, Sample variance = 9.5

3 0
3 years ago
What is the solution to this equation?
padilas [110]

Answer:

x=3

Step-by-step explanation:

10-3x+8x=25

-10            -10

-3x+8x=    15

5x=15

5x/5=15/5

x=3

6 0
4 years ago
Terri wants to put a fence around her tomato plants to keep the rabbits out. The hardware store only sells fencing in five-foot
Mice21 [21]

Answer: 30 increments

Step-by-step explanation: 150 divided by 5 is equal to 30. If she is buying in 5 foot increments she will need 30 five foot increments to have enough.

8 0
3 years ago
If f(x) - 4 -3 and s() = x1, find (f-g)(x)<br><br>​
Archy [21]

Answer:

=fx-gx

Step-by-step explanation:

Apply the distribute law

Remove Parentheses

Answer found

Answer: =fx-gx

<em><u>Hope this helps.</u></em>

3 0
4 years ago
In an ice skating competition, the order in which competitors skate is determined by a drawing. If there are 10 skaters in the f
Free_Kalibri [48]

Answer:

3628800

Step-by-step explanation:

If there are 10 skaters, it would go from 9, 8, 7, and so on...

So..

10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

= 3628800

6 0
3 years ago
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