On monday,the mars rover traveled 330 cm.On tuesday,it traveled 180 cm.If the rover stopped every 15 cm to recharge,how many mor
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Answer:
Value of given expression when p = -4 and q = 2 is -4.
Step-by-step explanation:
Given expression ,
We have to evaluate the value of the expression when p = -4 and q = 2
Consider the expression given
To find the value a the given value just put the values in the given expression
becomes
Solve further to get its value,
Thus, value of given expression when p = -4 and q = 2 is -4.
The unit rate represents 2 miles in 0.25 hour is 8 miles per hour
Step-by-step explanation:
Let us revise the meaning of rate and unit rate
1. A rate is a ratio that is used to compare different types of quantities
2. A unit rate shows how many units of the first type of quantity
corresponds to one unit of the second type of quantity
Examples:
Cost per item
Distance per hour
∵ Zephra ran 2 miles in 0.25 hour
- To find the unit rate make the denominator of the ratio = 1
∵ The unit rate =
- Divide up and down by 0.25
∵ 2 ÷ 0.25 = 8
∵ 0.25 ÷ 0.25 = 1
∴ The unit rate =
∴ The unit rate = 8 miles per hour
The unit rate represents 2 miles in 0.25 hour is 8 miles per hour
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