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sdas [7]
3 years ago
6

Select all the correct answers.

Mathematics
1 answer:
ohaa [14]3 years ago
8 0

Answer:

Lines 3 and 4

Step-by-step explanation:

ignore this rjrjrjrjrrnrnnrnrrnnr

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Question 2 of 10
artcher [175]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
An unprepared student makes random guesses for the ten​ true-false questions on a quiz. Find the probability that there is at le
hoa [83]

Answer:

0.999

Step-by-step explanation:

At least 1 correct means, 1 correct, 2 correct, 3 correct ... until 10 correct. That would be a long process to calculate.

<em>Instead we use the complement rule to calculate.</em>

<em>P(x\geq1)=1-P(x</em>

<em />

<em>So we need to find P(x<1). So this is getting 0 answers correct, or 10 incorrect.</em>

<em />

In true false question, probablity of correct is 1/2 and incorrect is 1/2, hence,

Probability of 10 incorrect is (1/2)^10

Thus,

P(x\geq1)=1-(\frac{1}{2})^{10}=0.999

So the answer is 0.999 (rounded to nearest thousandth)

3 0
3 years ago
What is the average rate of change of the amount of the element over the 10-minute experiment? *
Dima020 [189]

Answer:

-2.7  g/min

Step-by-step explanation:

Given: a graph

To find: the average rate of change of the amount of the element over the 10-minute experiment

Solution:

A rate of change of one quantity with respect to another quantity is known as rate of change. If y is the dependent variable and x is the independent variable then average rate of change = change in y /change in x.

From the graph,

change in x (time) = 10-0=10 minutes

change in y ( amount of the element) = 3.22-30=-26.78 g

So, average rate of change = \frac{-26.78}{10} =-2.7  g/min

7 0
3 years ago
Kobe reported that the local waterslides have 30 employees of which 90 percent are temporary. How many temporary employees are t
Dmitriy789 [7]

Answer:

27 temporary employees

Step-by-step explanation:

Given information: 30 employees, 90% temporary

To find the number of temporary employees we can do:  30*90%=30*0.9=27

There are 27 temporary employees

7 0
3 years ago
If triangle HIJ is dilated about the center of the triangle to create triangle H'I'J', dilated line A'B' will
nevsk [136]
Pls. see attachment.

7 0
3 years ago
Read 2 more answers
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