What type of number is 2pi, rational, irrational, whole number, integer
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HELP FIRST GET BRAINLLEST Measure the difference between the lower quartile of Data Set A and the lower quartile of Data Set B. Round to the nearest tenth when performing all operations.
1. you are surveying students to find out their opinion of the quality of food on the cafeteria. you decide to poll only those students who buy a hot lunch on a particular day. is your sample random? please explain!2. a researcher tagged 40 giant turtles in 2008. In 2009, she returned and captured 50 turtles 16 of which were tagged. in 2010 she returned again and captured 30 turtles, 8 of which were tagged. A. use a proportion to estimate the turtle population for 2009 B. use a proportion to estimate the turtle population for 2010
Andrea planted tomatoes and cucumbers on of an acre of land. If each type of plant took up an equal area of Andrea's land, how many acres did each type of plant cover?
4. Please help. If PG=−x+10, and GO=−3(x+2), what is the length of PO⎯⎯⎯⎯⎯⎯⎯⎯?
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Answer:
k= 14
Step-by-step explanation:
11= k/4 - -10
Answer:
k=4
Step-by-step explanation:
11-(-10)=1
1/4=4
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3/4 = 12/16
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Answer:
Inverse operations are opposite operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations.
Step-by-step explanation:
Final answer:
Inverse operations are mathematical operations that undo each other. Addition and subtraction are inverse operations, as are multiplication and division. They're used in solving equations or simplifying expressions.
Explanation:
Inverse operations are operations that undo each other. These are used primarily in solving equations or simplifying expressions in math. The principal of inverse operation is that it cancels out the operation of the other, getting you closer to finding the exact numeral you're looking for.
Regarding the four basic mathematical operations, addition and subtraction are inverse operations of each other, and multiplication and division are inverse operations of each other. This means:
- The inverse operation of addition is subtraction. If you add a number and then subtract the same number, you return to your original number. For example, for the numbers 5 and 3, if you perform the operation 5 + 3 - 3, you return to 5.
- Similarly, the inverse operation of subtraction is addition. For the numbers 5 and 3, if you perform the operation 5 - 3 + 3, you return to 5.
- The inverse operation of multiplication is division. If you multiply a number by another number and then divide by the same number, you return to your original number. For example, for the numbers 5 and 3, if you perform the operation 5 * 3 / 3, you return to 5.
- And, the inverse operation of division is multiplication. For the numbers 5 and 3, if you perform the operation 5 / 3 * 3, you return to 5 (rounding to the nearest whole number).
Learn more about Inverse Operations here:
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x/4-10=2
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1331=11(A)
A=1331/11
A=121 in²
The base is a square, making its area is s², so you have the equation:
s²=121
s=11 in
This makes all the side lengths the same, making the tank shape a cube.
To find the surface area of a cube, use the formula SA=6s². Substitute the known value in so you have:
SA=6*11²
SA=6*121
SA=726 in²
The final answer is that the tank is cube-shaped with a surface area of 726 in².