|
Tutors Answer Your Questions about test (FREE)
Question 193757: 1] The 180 students in a group are to be seated in rows so that there is an equal number of students in each row. Each of the following could be the number of rows EXCEPT
[2] A parking garage rents parking spaces for $10 per week or $30 per month. How much does a person save in a year by renting by the month rather than by the week?
[3] Of the following, which is the best approximation to √0.0026 ?
[4] A certain culture of bacteria quadruples every hour. If a container with these bacteria was half full at 10:00 a.m., at what time was it one-eighth full?
[5] Al, Lew, and Karen pooled their funds to buy a gift for a friend. Al contributed $2 less than 1/3 of the cost of the gift and Lew contributed $2 more than 1/4 of the cost. If Karen contributed the remaining $15, what was the cost of the gift?
Click here to see answer by stanbon(26297)   |
Question 193760: [16] What percent of 50 is 15?
[17] In a certain diving competition, 5 judges score each dive on a scale from 1 to 10. The point value of the dive is obtained by dropping the highest score and the lowest score and multiplying the sum of the remaining scores by the degree of difficulty. If a dive with a degree of difficulty of 3.2 received scores of 7.5, 8.0, 9.0, 6.0, and 8.5, what was the point value of the dive?
[18] If 2x = 3y = 10, then 12xy =
Click here to see answer by edjones(3299)  |
Question 194362: 10. Melinda's lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black socks, and 5 pairs of white socks. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color?
A. 3
B. 5
C. 7
D. 9
E. 10
My answer was 7 but is wrong?
Click here to see answer by jim_thompson5910(13794) |
Question 194362: 10. Melinda's lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black socks, and 5 pairs of white socks. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color?
A. 3
B. 5
C. 7
D. 9
E. 10
My answer was 7 but is wrong?
Click here to see answer by mstewart411(1) |
Question 195026: Find the sum of the complex numbers.
Step 1: Rewrite the expression so that you are adding the two real numbers together and the two imaginary together.
Step 2: Add the two real numbers together and then add the two imaginary numbers. Write your answer in the form a+bi. Show your work.
Click here to see answer by Mathtut(3670) |
Question 195025: Solve each equation for x. (((Please do it step by step so i can unserstand it thanks.)))
Step 1: Square both sides of the equation. Show your work.
Step 2: Solve the equation from step 1 for x. Show your work.
Step 3: Check your solution from step 2 in the original equation. Show your work.
Step 4: State the solution for the equation
Click here to see answer by RAY100(1637) |
Question 195118: 9.) Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether its vertex lies above, on, or below the x-axis.
y = 2x2 + x + 3
10.) Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether its vertex lies above, on, or below the x-axis.
y = 3x2 - 12x + 12
Click here to see answer by Mathtut(3670) |
Question 195626: Hey there, Could someone please help me with the following homework question? It would be a great help.
Solve the following equation for 0 lesser than and equal to x lesser than and equal to 2 pi.
sinx = cos2x (5 marks)
Click here to see answer by Alan3354(6097)  |
Question 196654: Simplify the expression. The simplified expression should have no negative exponents.
b to the second power times b to the negative 5th power
5y to the negative 4th power
(6 to the negative second power) to the third power on the outside of parenthesis
Click here to see answer by vleith(1977) |
Question 196758: Invertigate whether the right bisectors of the sides of a triangle always intersect at a single point consider different types of triangles. Describe, explain, and/or show your findings. A right bisector is a line that is perpendicular to a line segent and divides the line segment into two equal parts.(also caled a perpendicular bisector)
Click here to see answer by solver91311(5072)  |
Question 196684: draw any rectangle that is not a square. draw a similar rectangle by applying a scale factor of 3 to the original rectangle
1.how many copies of the original rectangle will fit inside the new rectangle?
2.will you get the same answer for part A. no matter what rectangle you use as the original rectangle?
Click here to see answer by edjones(3299) |
Question 197244: A farmer plans to use 21 meters of fencing to enclose a rectangular pen having an area of 55 meters. Only three sides of the pen need fencing because parts of an existing wall will form the forth side. Find the dimensions of the pen?
PLEASE HELP I DONT UNDERSTAND!!!!!
Click here to see answer by Alan3354(6097) |
|
Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890
|
| |
