Topic Test — Cumulative exam Answers

Write in expanded form and find the sum.a.8 + 12 + 16 + 20; 56c.8 + 12 + 16 + 20; 120b.8 + 16 + 32 + 64; 56d.8 + 16 + 32 + 64; 120

Find the sum of the first 70 terms of the sequence –6, –3, 0, 3, 6, ...a.6824c.6826b.6825d.6827

Find the 8th term of the expansion of .a.5x3y7c.70x5y5b.-14x3y7d.-15x3y7

Solve a triangle with , , and .a.; ; c.; ; b.; ; d.; ;

Analysis of the voltage in certain types of circuits involves terms of the form , where n is a positive integer, is the frequency of the voltage, and t is time. Use an identity to simplify this expression.a.c.b.d.

The sides of a triangle measure 14.9 centimeters, 23.8 centimeters, and 36.9 centimeters. Find the measure of the angle with the least measure.a.about 9.8c.about 11.3b.about 12.4d.about 13.8

Use the ratio test to determine whether the series is convergent or divergent.a.convergentb.divergent

Find the exact value of .a.c.b.d.

Solve a triangle when .a.c.b.d.

Solve the equation for principal values of x. Express solutions in degrees. a. 90 c. 315 b. 45 d. 270 Please select the best answer from the choices provided

Antonio has found that he can input statistical data into his computer at the rate of 2 data items faster each half hour he works. One Monday, he starts work at 9:00A.M., inputting data at a rate of 3 data items per minute. At what rate will Antonio be inputting data into the computer by lunchtime (noon)?a.12 data items per minutec.21 data items per minuteb.15 data items per minuted.24 data items per minute

Leticia Cox is a biochemist. She is testing two different types of drugs that induce cell growth. She has selected two cultures of 1000 cells each. To culture A, she administers a drug that raises the number of cells by 200 each day and every day thereafter. Culture B gets a drug that increases cell growth by 8% each day and every day thereafter.Assuming no cells die, how many cells will have grown in each culture by the end of the seventh day?a.Culture A: 1400 cellsCulture B: 713 cellsc.Culture A: 713 cellsCulture B: 1400 cellsb.Culture A: 800 cellsCulture B: 517 cellsd.Culture A: 517 cellsCulture B: 800 cells