Could someone please check my questions? My answers are under the questions... and any help will be greatly appreciated
33. Jane works at the public library after school. She makes $7.00 per hour. She cannot work more than 15 hours per week. If y = 7x represents Jane's earning, what are the values in the solution set?
a. x < 15
b. 0 < x < 15
c. 1 < x < 15
d. All real numbers
My Answer~ a
34. Matty jogs 9 km/hr. Identify the correct conversion factor setup required to compute Matty's speed in m/s.
a. 9 km x 1000 m x 1 hr x 60 sec
1 hr 1 km 60 min 1 min
b. 9 km x 1000 m x 1 hr x 1 min
1 hr 9 km 60 min 60 sec
c. 9 km x 1000 m x 1 hr x 60 sec
1 hr 9 km 60 min 1 min
d. 9 km x 1000 m x 1 hr x 1 min
1 hr 1 km 60 min 60 sec
My Answer~ b
35. Mr. Dunbar's math class averaged poorly on a test, so he gave them a retest. If every person in the class scored 5 points higher on the retest, how would the RANGE of the retest scores differ from the RANGE of the scores on the first test.
a. The ranges would be the same.
b. The range on the retest would be 5 points higher.
c. The range on the retest would be 10 points higher.
d. The range on the retest would be 20 points higher.
My Answer~ b
36. A student scored an 88, 92, and 76 on three math tests. What does the student need to get on the fourth test to have an average of 85 for all four tests? Joseph wants to use algebra to solve this problem. Which equation should he use? (NOTE: The answers with the “4” or/and “3” under them are fractions)
a. 4x = 256/85
b. 256 + x = 85
4
c. 85 + x = 25
4
d. 256 = 85x
3 4
My answer~d
37. Which equation describes the proportion: The number of chickens (C) is four times as many the number of horses (H) on the farm.?
a. C = 4
H
b. C = ¼
H
c. H = C + 4
d. C = H + 4
My Answer ~ a
38. Given 3x – y = 8. Solve for x.
a. x = (8 - y)/3
b. x = (8 + y)/3
c. x = -8 – 3y
d. x = -8 + 3y
My Answer~ a
2 answers
1 answer