the cube root of 13 is about 2.35
Answer:
45 degrees
Step-by-step explanation:
The proportion is 0.4401.
We find z-scores that correspond with both ends of this interval. Z-scores are given using the formula:

For the lower end,

The proportion of scores to the left of this number is 0.2514.
For the higher end, the z-score is

The proportion of scores to the left of this number is 0.6915.
To find just the proportion of scores between these two, we subtract;
0.6915-0.2514 = 0.4401.
Answer:
k < 50$
Step-by-step explanation:
She wants the keyboard for less than 50$, so the price, k, is less than 50 in this inequality.
When you are adding a negative number you subtract it. The equation can be rewritten as:
45.23-7.89=37.34
When subtracting numbers with decimals, think of it like subtracting whole numbers but with a decimal point.
45.23
- 7.89
37.43
Your answer is 37.43.