Write the word phrase as an algebraic expression. Use x to represent the unknown value.Eight less than 22 times a number
A. 22 - 8x
B. 8 - 22x
C. 22x - 8
D. 22(x - 8)
Answer: C
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Solve the problem.A computer system cost $11,800 and has an estimated life of 8 years and a scrap value of $944. Find the total depreciation at the end of 5 years using the straight-line method. Round to nearest dollar.
A. $10,443 B. $5015 C. $6785 D. $4425
Add:
10 /50è 18 /-35è a. 28 /50è b. 28 /85è c. 21.3 /15è d. 28 /7.2è e. 21.3 /7.2è
The graph of a linear function f is shown. Write the equation that defines f. Write the equation in slope-intercept form.
A. y = -1 B. x = 1 C. x = -1 D. y = 1
A hemisphere-shaped dome of radius 70 ft is to be coated with a layer of rust-proofer before painting. Use differentials to estimate the amount of rust-proofer needed if the coat is to be 0.03 in. thick.
?
Hint: The volume of a hemisphere of radius r is 
.
?
A. 76.97 ft3 B. ?76.54 ft3 C. ?77.54 ft3 D. ?76.78 ft3