Answer:
The number is 7.
Step-by-step explanation:
The unknown number: x
9 (x + 7) = 126
Using the distributive property, 9x + 63 = 126
9x = 63
x = 7
Case 1: Steps when Adding Integers with the Same Sign
Step 1: Take the absolute value of each number.
Step 2: Add the absolute values of the numbers.
Step 3: Keep the same sign.
Case 2: Steps when Adding Integers with Different Signs
Step 1: Take the absolute value of each number.
Step 2: Subtract the number with a smaller absolute value from the number with bigger or larger absolute value.
Step 3: Copy the sign of the number with the bigger or larger absolute value.
1 mile is 6 times
5/6 of a mile... x times
<span>x= 5/6 x 6 = 30/6= 5 times</span>
Answer:
At least one student is 23: Must be true
Some students are younger than 15: Could be true
Step-by-step explanation:
Statement 1: A median is a number in the middle for ex. 1, 2, 3, 4, 5 in this example 3 is the median. Another ex could be 1, 2, 3, 4, 5, 6. This time you would have to add (3 + 4), divide by 2, which equals 3.5.
Since there are 21 students in class making it an odd number 23 must be true.
Statement 2: Based on the information I am given, I would say could be true because the difference between the oldest and the median is 29 - 23 = 6 so it could be true.
