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PtichkaEL [24]
3 years ago
5

A math club took a math test. Twelve of the members had an average score of 80. Eighteen of the members had an average score of

86. What was the class average? Enter your answer in the box.
( )
Mathematics
2 answers:
Annette [7]3 years ago
7 0
31 I believe that is the correct answer
lisabon 2012 [21]3 years ago
6 0
The class average was like i think 83 or 84
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maria bought 7 boxes. a week later half of all her boxes were destroyed in a fire. there are now only 22 boxes left. with how ma
VashaNatasha [74]

Answer:

29

Step-by-step explanation:

x=22+7

x=29

8 0
3 years ago
Read 2 more answers
The highest grade on a quiz was 95 the lowest was 72. write an inequality to show the range.
SVETLANKA909090 [29]
Since the minimum is 72 the every grade must be equal or bigger than it
also 95 is the maximum therefore every grade must be equal or less than it
72 \leqslant x \leqslant 95
where is any quiz grade of any student in the class
7 0
3 years ago
Each container has a base of 4 1/4 yds by 1 2/3 yds. What is the area covered by all the containers?
svet-max [94.6K]

Answer:

See Explanation

Step-by-step explanation:

Given

Base Dimension

Length = 4\frac{1}{4}yd

Width = 1\frac{2}{3}yd

Required

The base area of all containers

First, calculate the base area of 1 container.

This is calculated as:

Area = Length * Width

Area = 4\frac{1}{4}yd * 1\frac{2}{3}yd

Express as improper fraction

Area = \frac{17}{4}yd * \frac{5}{3}yd

So, we have:

Area = \frac{17*5}{4*3}yd^2

Area = \frac{85}{12}yd^2

The number of containers is not given. So, I will use 'n' as the number of containers.

So, we have:

Total = n * Area

Total= n * \frac{85}{12}yd^2

--------------------------------------------------------------------------------------------

Assume n is 3 (i.e. 3 containers)

The total area is:

Total= 3 * \frac{85}{12}yd^2

Total= \frac{85}{4}yd^2

Total= 21\frac{1}{4}yd^2

--------------------------------------------------------------------------------------------

6 0
3 years ago
"Journey Motorcycles produced 100 motorcycles using 50 workers who each worked 8 hours a day. Journey's productivity was 1/4." T
Burka [1]

Answer:

Yes, this is true.

Step-by-step explanation:

Given is :

50 workers each worked 8 hours a day.

Combined total is = 50\times8=400 hours

Journey Motorcycles produced 100 motorcycles.

So, their productivity is :

\frac{100}{400}=\frac{1}{4} This can be simplified as 1 motorcycle per 4 hours.

So, the given statement is true.

3 0
3 years ago
Writing liner equations
hichkok12 [17]
A linear equations is y= mx+b
m=slope
b= y- intercept, to help me think of what b is I try to figure out where a point is on the y axis so (0,x) that would be your point on the y- axis

:) hope this helps, if you have any questions please ask
4 0
3 years ago
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