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olasank [31]
3 years ago
13

True or false: a closed circle is used when a number is a not solution

Mathematics
1 answer:
aksik [14]3 years ago
7 0
False

. A closed circle is used when a number is a solution. An arrow to the left or right shows that the graph continues in that direction.
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When a die is rolled three times, there are how many possible outcomes?
vlabodo [156]
6 outcomes every roll, 6^3 = 216
7 0
3 years ago
The data below represent the weight losses for people on three different exercise programs.
uysha [10]

Answer:

A. The risk of type l error increases and becomes too high.

Step-by-step explanation:

The overall level of significance increases as the number of t- tests ( used for comparing two, three or four means separately ) increases. This in turn increases the risk of type I error.

We might be tempted to apply the two sample t- test to all possible pairwise comparisons of means. This type of running t- test to several means comparison has the risk of increasing overall level of significance

8 0
3 years ago
A video game displays 132 frames in 6 seconds on Penelope's computer. What is the rate in frames per second?
juin [17]

Answer:

unit\ rate=22\ frames\ per\ second

Step-by-step explanation:

we know that

To find the unit rate , divide the total frames by the total seconds

Let

x ----> the total frames displayed by the video game

y ----> the total seconds

unit\ rate=\frac{x}{y}

we have

x=132\ frames\\y=6\ seconds

substitute the values

unit\ rate=\frac{132}{6}=22\ frames\ per\ second

8 0
3 years ago
What is the following quotient? sqrt6+sqrt11/sqrt5+sqrt3​
Gnoma [55]

Answer:

√30-√18+√55-√33/2

Step-by-step explanation:

What is the following quotient? sqrt6+sqrt11/sqrt5+sqrt3​

Given the expression

√6+√11/√5+√3

Rationalize

√6+√11/√5+√3 × √5-√3/√5-√3

= √30-√18+√55-√33/√25-√9

= √30-√18+√55-√33 /5-3

= √30-√18+√55-√33/2

This gives the required quotient

6 0
3 years ago
Find the probability that a randomly selected point within the square falls in the blue shaded area (circle). r = 2 in [? ]% Rou
trasher [3.6K]

Answer:

78.5 %

Step-by-step explanation:

the probability = π(2)² / (4×4) ×100%

= 4π /16 × 100%

= π/4 ×100%

= (π×25)%

= 3.14 × 25 %

= 78.5 %

5 0
3 years ago
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