1.924 and 5.77
step 1: find the mean by adding up all the numbers and divide the sum by the number of numbers.
step 2: find the difference between each number and the mean, square the difference
step 3: add up all the results of step 2, divide the sum by (n-1), n is the number of numbers.
step 4: square root the result of step 3.
it is a long process.
Answer:
B. because it just isssssssss I'm typing things to let me answerrr
Step 1. Simplify 6 - 4(-x-9)-5 to -4(-x-9) + 1
4 - 5(2x + 11) + 6x = -4(-x-9) + 1
Step 2. Expand
4 - 10x - 55 + 6x = 4x + 36 + 1
Step 3. Simplify 4 - 10x - 55 + 6x to -51 - 4x
-51 - 4x = 4x + 36 + 1
Step 4. Simplify 4x + 36 + 1 to 4x + 37
-51 - 4x = 4x + 37
Step 5. Add 51 to both sides
-4x = 4x + 37 + 51
Step 6. Simplify 4x + 37 + 51 to 4x + 88
-4x = 4x + 88
Step 7. Subtract 4x from both sides
-4x - 4x = 88
Step 8. Simplify -4x - 4x to -8x
x = -88/8
Step 10. Simplify 88/8 to 11
x = -11
Answer:
6
Step-by-step explanation:
1/2 = 0.5
2/5 = 0.4
60 × 0.5 = 30
60 × 0.4 = 24
30 + 24 = 54
60 - 54 = <u>6</u>
It is a function, because if you were to graph it, x would not repeat itself.
| x y |
| 1 1 |
| 3 1 |
| 7 3|
| 4 5|
