Kent multiplies both sides of the equation below by an expression. k+12/k=8 Then he moves all the terms to one side of the equal sign in the resulting equation. Which equation must he solve now?k^2-8k-12=0 k^2+8k+12=0k^2-8k-12=0 k^2+8k+12=0k^2-8+12=0k^2-8k+12=0 Question solved general 11 months ago 4313
A circle has center at –6 + 2i and a point on the circle at 4 + 26i. Which of the following points is also on the circle? –19 + 15i –16 – 22i 6 + 16i 20 – 24i Question solved general 11 months ago 5195
Cindy deposited $350 into a savings account. As long as the account balance remains at or above $200, she does not have to pay a service fee for the account. For how long can she withdraw $30 a month without having to pay service fees? Question solved general 11 months ago 9018
a square pyramid has a base edge of 2 inches and a slant height of 5 in. Find it’s volume Question solved general 11 months ago 8840
A study concludes that 15 percent of all college students attend a gym class. Which of the following statements is true? 15 percent is a parameter. 15 percent is an ordinal measurement. 15 percent is a statistic. 15 percent is categorical data. Question solved general 11 months ago 5853
Find the linear approximation of the data that passes through the points (5, 3) and (20, 6). y = 15x + 9 y = 15x + 3 y=1/5x-1 y=1/5x+2 Question solved general 11 months ago 8983
In which example are the events independent? A) Ariel has a standard deck of 52 cards. She draws one card from the deck and then replaces it. She then draws a second card from the deck. What is the probability that both cards are clubs? B) Alisa has a bag of 10 red and 6 green marbles. She takes one marble out of the bag and does not replace it. She then takes a second marble out of the bag. What is the probability that both marbles are green? C) In a bag of apples there are 4 green apples and 2 red apples. Bethany takes a green apple out of the bag and does not replace it. She then takes another apple out of the bag. What is the probability that the second apple is red? D) In Mrs. Brown's Geometry class there are 15 boys and 10 girls. The students are presenting projects to the class. If Mrs. Brown selects students at random for presentations, what is the probability that the first 2 students chosen are girls? Question solved general 11 months ago 4925
jessica bought 8/9 of a pound of chocolates and ate 1/3 of a pound. how much was left Question solved general 11 months ago 4389
Which of the following choices is the standard deviation of the sample shown here18, 19, 20, 21, 22A) 2.5B) 20C) /2.5D) /2E) 2 Question solved general 11 months ago 4567
Which of the following is the formula used to calculate the variance of a set of data Question solved general 11 months ago 5925
Yvette is considering taking out a loan with a principal of $16,200 from one of two banks. Bank F charges an interest rate of 5.7%, compounded monthly, and requires that the loan be paid off in eight years. Bank G charges an interest rate of 6.2%, compounded monthly, and requires that the loan be paid off in seven years. How would you recommend that Yvette choose her loan? Question solved general 11 months ago 5125
An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The equations to find x and y are shown below. y = x + 12 y = −x + 17 Which of the following statements is a correct step to find x and y? Multiply the equations to eliminate y. Write the points where the graphs of the equations intersect the x-axis. Write the points where the graphs of the equations intersect the y-axis. Add the equations to eliminate x. Question solved general 11 months ago 7534
to the nearest tenth of an inch, find the length of side c, the hypotenuse Question solved general 11 months ago 7708
30 POINTS!! please help! After recording the maximum distance possible when driving a new electric car, the study showed the distances followed a normal distribution. The mean distance is 134 miles and the standard deviation is 4.8 miles. Find the probability that in a random test run the car will travel a maximum distance between 125 and 135 miles.A. 0.3867B. 0.5832C. 0.5531D. 0.0301 Question solved general 11 months ago 2138
Two trains leave a city at the same time. One train goes west at a constant rate of 60 mph. The other goes east at a rate of 50 mph. How long will it take the trains to be 550 miles apart? Question solved general 11 months ago 4593
The measurement of a central angle is 75. Find the measurement of in radians Question solved general 11 months ago 5857