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UNO [17]
3 years ago
11

Use the distributive property to write two expressions that are equivalent to 12 +30x. Describe the steps you followed​

Mathematics
1 answer:
Rufina [12.5K]3 years ago
7 0
You are supposed to factor a number out of both terms

2(6+15x)
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The track team is trying to reduce their time for a relay race. First they reduce their time by 2.1 minutes. Then they are able
klemol [59]
Answer: 15.7 minutes

Step-by-step explanation:

Let x be the time in the beginning (in minutes).

Given: The track team is trying to reduce their time for a relay race.

First they reduce their time by 2.1 minutes.

Then they are able to reduce that time by 10

If their final time is 3.96 minutes, then

x-t1-t2= 3.6
x= 3.6+ t1+ t2
x= 3.6+ 2.1+ 10
x= 15.7

Hence, their beginning time was 15.7 minutes.
3 0
3 years ago
Type the correct answer in the box. Round your answer to the thousandth place.
kupik [55]

Answer:

<u>The probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is 19.338% (Rounding to the next thousandth place)</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Probability that carbon emissions from the company’s factory exceed the permissible level = 35% = 0.35

Accuracy of the test of emissions level = 85% = 0.85

2. The probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is?

These two events, carbon emissions from the company’s factory and the accuracy of the test are independent events, therefore:

Probability that carbon emissions from the factory are within the permissible level = 1 - 0.35 = 0.65

Probability that the test predicts the opposite to be true = 0..35 * 0.85 = 0.2975 (The opposite is that the carbon emissions from the company exceed the permissible level)

Probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is:

0.65 * 0.2975 = 0.193375

<u>The probability that carbon emissions from the factory are within the permissible level and the test predicts the opposite to be true is 19.338% (Rounding to the next thousandth place)</u>

5 0
3 years ago
Read 2 more answers
this picture represents 1-4 of the distance from maria house to the park which represents the whole distance?
saveliy_v [14]
There is no picture provided sorry.
4 0
2 years ago
P - 3.1(6) =-2.1(2) what is the answer and explained
harina [27]

Answer:

P = 14.4

Step-by-step explanation:

Multiply out -3.1(6) and -2.1(2).

P - 18.6 = - 4.2

Add - 18.6 to the other side of the Equation.

P = 14.4

4 0
3 years ago
With a fair die, the probability of rolling any number 1 through 6 is the same.
yaroslaw [1]
The probability of all possible outcomes is always 1, meaning 100%.

In this case the probability of rolling a 1,2,3,4,5, or 6 is:

1/6+1/6+1/6+1/6+1/6+1/6

6(1/6)

6/6

1
7 0
3 years ago
Read 2 more answers
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