Let x represent the unknown, and write an equation for the sentence. Do not solve. Four times a number added to 7 times the number equals 33.
A. 4(x + 7) = 33x
B. 4x(7 + x) = 33
C. 4x + 7x = 33
D. 4x - 7x = 33
Answer: C
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Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.Four times the difference of 11 and a number gives 60. Find the number.
A. -16 B. 16 C. -4 D. 4
Provide an appropriate response.A buyer was offered a discount of 10% and then a discount of 30%. She assumed this was the same as a 40% discount and offered $60 for the $100 item she purchased. What should the correct price be?
What will be an ideal response?
Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(-7, 8); Find cot ?.
A. - 
B. - 
C. 
D. - 
Solve the problem.Roberto invested some money at 8%, and then invested $2000 more than twice this amount at 10%. His total annual income from the two investments was $3000. How much did he invest at 10%?
A. $22,000 B. $20,000 C. $6000 D. $2200