Answer:
Atleast 271
Step-by-step explanation:
Given that a fashion designer wants to know how many new dresses women buy each year. Assume a previous study found the standard deviation to be 1.2.
Mean =7.9
For margin error to be at most 0.12
we have for 90% confidence level
Answer:
8 °C
Step-by-step explanation:
Step 1: Given data
Initial temperature value (T1): -10 °C
Final temperature value (T2): -2 °C
Step 2: Calculate the change in temperature from the morning to the afternoon
To calculate the change in the temperature, we have to perform the subtraction T2 - T1.
ΔT = T2 - T1 = (-2 °C) - (-10 °C) = -2 °C + 10 °C = 8 °C
The temperature change is positive, meaning that the temperature increased.
Answer:
c) 9
Step-by-step explanation:
4x - 2 + 30 = 64
4x + 28 = 64
4x = 64 - 28
4x = 36
x = 36/4
x = 9
Answer:
A. To help life on Earth
Step-by-step explanation:
The other options are high key dumb, and that's literally why they do it :)