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lora16 [44]
3 years ago
11

A bag of marbles contains 6 blue marbles, 2 yellow marbles, 4 red marbles, and 1 green marble. What is the probability of

Mathematics
1 answer:
Naddik [55]3 years ago
5 0
Your answer is B. 2/13
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For what value of a does (1/9)^a+1 = 81^a+1 • 27^2-a
Fantom [35]

Answer: a = -4

Step-by-step explanation:

7 0
3 years ago
kai calculates that he spends 15% of a school day in science class. If he spends 75 minutes in science class, how many minutes d
jasenka [17]
Im not sure but I would think you would divide 75 by .15. That would get you 500. So 500 minutes would be your answer.
5 0
3 years ago
Use the distributive property to solve 4 × 7.1​
sladkih [1.3K]

Answer:

28.4

Step-by-step explanation:

To use the distributive property, split the 7.1 to 7 and .1

4*7 would be 28 and 4*.1 would be .4

Adding them together would make the answer 28.4

3 0
3 years ago
What is the domain and range of the following graph?
puteri [66]

Using it's concepts, the domain and the range of the graph are given as follows:

  • Domain: all real values except x = -1.
  • Range: All real values.

<h3>What are the domain and the range of a function?</h3>

  • The domain of a function is the set that contains all the values of the input. In a graph, it is given by the values of x, which is the horizontal axis of the graph.
  • The range of a function is the set that contains all the values of the output. In a graph, it is given by the values of y, which is the vertical axis of the graph.

In this graph, have that the function is defined for all values of x except x = -1, and assumes all real values, hence the domain and the range of the graph are given as follows:

  • Domain: all real values except x = -1.
  • Range: All real values.

More can be learned about the domain and the range of a function at brainly.com/question/10891721

#SPJ1

6 0
2 years ago
if there are 300 calories in 100 g of a certain food, how many calories are there in a 30 g portion of food​
kap26 [50]

Answer:

90 calories

Step-by-step explanation:

Calories : quantity of food

there are 300 calories in 100 g of a certain food

300 calories : 100 g food

how many calories are there in a 30 g portion of food​

Let x = number of calories

x calories : 30 g food

Equate both ratios

300 calories : 100 g food = x calories : 30 g food

300/100 = x/30

300 * 30 = 100 * x

9000 = 100x

x = 9000/100

x = 90

x = number of calories = 90 calories

6 0
3 years ago
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