5 G
7
Question Progress
Homework Progress
a)
range
5796
A group of students were given a spelling test.
The table shows their marks.
Mark
Frequency
b)
students
6.
5
a) Work out the range of the marks.
c)
mean
7
+
4
b) How many students are in the group?
8
7
Submit Answer
9
10
c) Work out the mean mark of the group.
10
4

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5