Solve problems using a calculator.15 × 49 + 81 × 32 - 2496 ÷ 52
A. 458
B. 3268
C. 3279
D. 454
Answer: C
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 3, u '(1) = -6, v(1) = 7, v '(1) = -2.
(3v - u) at x = 1
A. 18 B. -12 C. 0 D. 24
Provide an appropriate response.A bottle contains 1.5 L of drinking water. How many deciliters is this?
A. 0.15 dL B. 150 dL C. 0.015 dL D. 15 dL
Verify the identity.
= tan 
cot 
What will be an ideal response?
Solve. Remember to insert units when writing your answer.In a lab experiment 700 ml of salt water were added to 1.67 L of water. Later, 230 ml of the solution were drained off. How much of the solution still remains?
A. 637 ml B. 2,140 ml C. 549.7 ml D. 2,386.7 ml