The average of five numbers is 12. Four of the numbers are 10, 15, 8, and 13. What is the missing number?
TSI Skills Quizziz

Quiz
•
Mathematics
•
10th Grade
•
Hard

Victor Canales
Used 1+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
12
14
16
10
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Two rectangles are similar. The length and width of the first rectangle are 6 cm and 4 cm, respectively. If the length of the second rectangle is 9 cm, what is its width?
5 cm
6 cm
7 cm
8 cm
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If the scale factor between two similar triangles is 3:5, and the shorter triangle has a side of length 9, what is the corresponding side length in the larger triangle?
12
13
15
18
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
10
12
14
16
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In similar triangles, if the ratio of the sides is 2:3, what is the ratio of their areas?
2:3
4:9
3:2
9:4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A car travels 180 miles in 3 hours. What is the unit rate in miles per hour?
30 mph
45 mph
60 mph
90 mph
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The perimeter of a rectangle is 36 cm. If the length is 10 cm, what is the width?
8 cm
9 cm
10 cm
13 cm
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