If she goes 75 mph for 2 hours, that's 150 miles altogether. 45 mph for 1 hour is 45 miles, so 150 + 45 is 195 miles.
Answer:
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I'll get you started. Let x and y be the two numbers. we have: x + y = 74 (sum is 74) x = 4y - 6 (the number x is six less than 4 times y) Now that you have the equations use an algebraic techniques to eliminate one variable thereby solving for the other. If you need more help add a comment to your question.
Answer:
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Step-by-step explanation:
Answer: 10 to the 6th power
Step-by-step explanation: To write 1,000,000 as a power of 10, first notice that 1,000,000 is a whole number. This means that the exponent of our power of 10 will be positive.
To determine the value of our exponent, first write a decimal point at the end of 1,000,000. So, it would look like this.
1,000,000.
Next, count the number of places we would need to move the decimal point in order to get 1.0.
In this problem, we would need to move the decimal point 8 places in order to get to 1.0.
This means that the value of our exponent on the power of 10 will be 8.
Therefore, 1,000,000 can be written as 10 to the 6th power.
