Expressions and Formulas Answers

Determine the correct equation for the following verbal sentence: The total distance traveled, d, at a constant speed of 45 miles per hour is the product of the speed and the number of hours traveled, h. a. d = h + 45 c. b. d = 45h d. d = 45 - h Please select the best answer from the choices provided

Translate the sentence into an equation using n as the unknown number. Then solve the equation for n. Two times a number increased by 5 is 15. a. 2n(5) = 15 n = 1.5 c. 2n + 5 = 15 n = 20 b. 2n + 5=15 n = 5 d. n + 5 = 15 n = 10 Please select the best answer from the choices provided

Translate the sentence into an equation using n as the unknown number. Then solve the equation for n. 5 increased by half a number is 11. a. 5 + 0.5n = 11 n = 12 c. 5(0.5n) = 11 n = 4.4 b. 5n + 0.5 = 11 n = 2.1 d. 5n +0.5 = 11 n = 12 Please select the best answer from the choices provided

The Student Council sold the following items at the home football game. A B C D E F G H 1 Item Number Sold Price Income Cost Per Item Expenses Profit 2 Suckers 85 $0.25 $21.25 $0.12 $10.20 $11.05 3 Gummies 48 $0.35 $16.80 $0.18 $8.64 $8.16 4 Bubble Gum 79 $0.45 $35.55 $0.22 $17.38 $18.17 5 Combos 46 $0.55 $25.30 $0.26 $11.96 $13.34 6 TOTAL $50.72 If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column D c. column F b. column E d. column G Please select the best answer from the choices provided

An algebraic equation is an equation that includes:a.no variablesc.one or more variablesb.only one variabled.just numbers

Translate the sentence into an equation using n as the unknown number. Then solve the equation for n. Round to the nearest hundredth if necessary. The quotient of a number divided by 6 is 3.5. a. c. b. d. Please select the best answer from the choices provided

The formula for the circumference of a circle is . Determine the circumference when the radius r is 10 cm. a. 100 cm c. 20 cm b. 20 cm d. 100 cm Please select the best answer from the choices provided

In chemistry, there is a class of compounds called alkanes. They have the general formula , where C stands for a carbon atom and H stands for a hydrogen atom. The subscript x stands for the number of carbon atoms, and the subscript stands for the number of hydrogen atoms in one molecule of the compound. Carbon atoms Hydrogen atoms Alkane Formula 1 4 2 6 3 8 Suppose an alkane had 8 carbon atoms. How many hydrogen atoms would it have? a. 18 atoms c. 10 atoms b. 16 atoms d. 12 atoms Please select the best answer from the choices provided

What is the verbal phrase for the following expression? 5na.five times a numberc.a number plus fiveb.five divided by a numberd.five minus a number

The formula for the area of a parallelogram is A = bh. Use this formula to write an equation for the area when the base b measures 35 inches, and the altitude is h. Determine the area of the parallelogram when the altitude is 27 inches.a.A = 35 + h62 sq. in.c.A = 35 + h945 sq. in.b.A = 35h124 sq. in.d.A = 35h945 sq. in.