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Questions (2)
Determine the sign of the product of −10.4×−78.2 . Enter + for positive or – for negative
52 answers
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Determine the sign of the product of −10.4×−78.2
5 answers
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Answers (28)
Simplify 2a − 4b +7 + 8a + 6b − 2 .(1 point)
Simplify 9g−7h−6g + 2h
Simplify 4x + 8x using the properties of operations.(1 point)
Mr. Rodriguez has a vegetable garden that borders his house. He wants to put a fence around it. It costs $7 per yard for the materials. Evaluate 7(l + 2w) , where l is the length and w is the width of his garden, to find the cost for a garden that has a
Robert is preparing a poster-board presentation. He wants to make a decorative pattern with 10 squares to fill part of the poster. The area of the poster board is 720 square inches. To find how much space Robert will have left for his presentation if he
represents the number of televisions. Evaluate for t = 12 to find how much Ms. Tanaka will earn for selling 12 televisions this month.(1 point) Responses
Each month Ms. Tanaka is paid a base salary of $2,500 in addition to $100 for each television that she sells. This is modeled by 2,500 + 100t, where t represents the number of televisions. Evaluate for t = 12 to find how much Ms. Tanaka will earn for
The formula for finding the volume of a square prism is s2h, where s is the length of each side of the square base and h is the height of the prism. Evaluate to find the volume given values of s = 4 and h = 6.(1 point)
Mr. Imani wants to purchase paper and notebooks for his classroom. At Dollar Discount he can buy packs of paper, p, for $1.25 each and notebooks, n, for $2.50 each. This is modeled by 1.25p + 2.50n. Evaluate for p = 10 and n=30 to find how much it will
Solve the following word problem. A fish is swimming at −10.8 meters, or 10.8 meters below sea level. Every 2 minutes it descends another 1.5 meters. How long will it take for the fish to reach a depth of −37.8 meters? Show your work and write a
−9 9  147/75  −147/75
Use the properties of operations and rules for multiplying and dividing signed numbers to solve: (−4)×(7/5)×(−3/4)÷(7 1/5)
A fire engine’s water tank holds 750 gallons of water. If the pump removes 250 gallons of water in 5 minutes, what is the change in the amount of water in gallons in 1 minute?(1 point) Responses  50 15 −15 −50
A pilot is flying an airplane. Due to strong winds, the pilot decides to fly 4,000 feet lower to avoid excessive turbulence. It takes the pilot 3.5 minutes to make this adjustment. Interpret the quotient to describe the rate of change in the plane’s
Use long division to convert 6 7/15 to a decimal.(1 point) Responses 6.715 6.715 ≈6.47 ≈0.46 ≈6.14285
Use long division to convert 6715 to a decimal.(1 point) Responses 6.715 6.715 ≈6.47 ≈0.46 ≈6.14285
Use long division to convert 6 7/15 to a decimal
Use long division to convert 2 7/16 to a decimal.
What is 4.65 converted to a fraction? The answer should be given in simplest form
What is the quotient of 842.4 ÷ −0.6?
What is the quotient of 100÷(−10)÷5?
Divide −72 by −4 . Then divide the quotient by −9 . What is th
Lake Profondo has a depth of 84 feet. Lake Segundo is 5/6 as deep. What is the elevation at the bottom of Lake Segundo? (Remember, the elevation is below sea level. Account for this in your answer.)
Of the cars in a used-car lot, 2/5 are the color gray. 1/3 of the gray cars are electrically powered vehicles. What fraction of the cars on the lot are both gray and electrically powered? Leave your answer in simplified fraction form.(1 point)
Multiply −1 1/6 by 7. Write the answer as a mixed number.
Multiply 82×(−13)
Multiply 82×(−13) .(1 point)
Determine the sign of the product of −10.4×−78.2 . Enter + for positive or – for negative
