Find the determinant of the given matrix.
A. -24
B. -6
C. 42
D. 6
Answer: B
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Solve.The water in a tank weighs 263.57 lb. One cubic foot of water weighs 62.5 lb. How many cubic feet of water are in the tank?
A. 16,473.125 cu. ft B. 326.07 cu. ft C. 4.21712 cu. ft D. 0.23713 cu. ft
Find the unknown value.What number is 15% of 400?
A. 600 B. 6 C. 60 D. 0.6
Solve the application by adding or subtracting appropriately. Answer with a complete sentence.One week in April in the town of Simmons, it rained 1.36 inches on Monday, 2.27 inches on Thursday, and 1.08 inches on Friday. It didn't rain the other four days. What was the total rainfall for the week?
A. The total rainfall for the week was 4.51 inches. B. The total rainfall for the week was 4.71 inches. C. The total rainfall for the week was 4.69 inches. D. The total rainfall for the week was 4.61 inches.
An isosceles triangle is a triangle in which two sides are equal in length. The angle between the two equal sides is called the vertex angle, while the other two angles are called the base angles. If the vertex angle is 60°, what is the measure of the base angles? ?
A. 50° B. 60° C. 45° D. 80° E. 65°