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olasank [31]
3 years ago
5

If Anna's test grades are 66, 90, and 99, what is her test average?

Mathematics
2 answers:
marysya [2.9K]3 years ago
4 0

Answer:

90 because it is the mean

skad [1K]3 years ago
4 0

Answer: it’s 83%

Step-by-step explanation: you add them up and divide by 3

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What is the volume of this rectangular prism? 30.75 cm^3
Alex787 [66]

This question is incomplete. Because it lacks the diagram of the Rectangular prism. Find attached to this answer the appropriate diagram.

Answer:

295.2 cm³

Step-by-step explanation:

A Rectangular Prism is a 3 dimensional geometric shape.

The formula used to calculate the volume of the Rectangular Prism = Length × Width × Height

Length = 15cm

Height = 4.8cm

Width = 4.1cm

Volume of the Rectangular Prism = 15cm × 4.8cm × 4.1cm

= 295.2 cm³

3 0
3 years ago
Which quantity is use to generate the error bars on a graph?
rodikova [14]
The error bars are used to indicate the variability of the data presented in a graph.

There are several quantities that can be used to generate error bars in the graph. These are:
standard deviation
standard error
confidence interval

Usually, one standard deviation above and below the mean is used although it is advised to indicate which variability data is used to generate the error bars in the graph since the 3 quantity given are not equal.
7 0
3 years ago
If the number of bacteria in a colony doubles every 210 minutes and the population is currently 8,000 bacteria, what will the po
Stells [14]

Answer:

D is the answer

64,000 exponential function  

Step-by-step explanation:

64,000 exponential function  

The number of bacteria in a colony doubles  every 210 minutes.

The population of bacteria = 8000

Determine how many times the population will double.

\frac{630}{210}

 = 3

Multiply the population by 2 a total of 3 times.

8000 × 2³ = 64,000

8 0
3 years ago
What is three and three sevenths plus two and a half?
spin [16.1K]

Answer: 5.928 and so on

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What’s the answer to this math problem?
valina [46]

Answer:

B

Step-by-step explanation:

To order from least to greatest, convert each number into a decimal.

8/9 = 0.89

π/3 = 1.0467

1.75

√5 = 2.24

The order is 8/9, π/3, 1.75 and √5

3 0
4 years ago
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