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MAT 105 MODULE 7 CHECK YOUR UNDERSTANDING 1. Compute and simplify: 5- (-9) 2. Use either < or > for _____ to write a true sentence: -10 _____ -8 3. Find the area: 4. Find the volume of the solid (the solid is not drawn in perfect proportion). Give the answer in cubic feet. Use 3.14 for pi ( ) and round to the nearest thousandth. 5. Find the opposite or additive inverse: 3/5 6. Find the volume. Use 3.14 for pi ( ). 7. Compute and simplify: -1/3 + 2/9 8. On September 1, Kathleen's credit card bill shows that she owes $849. During September, she makes an online payment to the credit card company for $35, charges another $208, then pays off another $575 of her bill. What is the new balance of Kathleen's account at the end of September? 9. Find the length of a radius of this circle: 10. The population of Tackenberg was 12,250. It decreased by 120 each year for 5 years. What was the population of Tackenberg after 5 years? 11. Find the volume of a sphere whose radius is 7 m. Use 22/7 for pi ( ). 12. Compute and simplify: -1/3 x (-4/5) 13. Find the area of the shaded region (the figures are not drawn in perfect proportion). Give the answer in square feet. Round to the nearest thousandth. 14. Find the length of a diameter of this circle: 15. Find the perimeter and the area of the figure. Use 3.14 for pi ( ). 16. Find the volume. 17. Compute and simplify: 3.3 + (-8.2) 18. Find the area of the shaded region (the figures are not drawn in perfect proportion). Give the answer in square feet. Round to the nearest thousandth. 19. Compute and simplify: -4 + 6 + (-8) + 5 20. Compute and simplify: 5.3 – 7.7 Math Assignment Help, Math Homework help, Math Study Help, Math Course Help