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agasfer [191]
3 years ago
12

What’s is the value of the expression 7+[8-(1+9)]

Mathematics
1 answer:
Amanda [17]3 years ago
4 0

Answer:

5

Step-by-step explanation:

7+(8-(1+9))

7+(8-10)

7+(-2)

7-2

5

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Four points are always coplanar if they: Check all that apply. A. lie on the same line. B. lie on different planes. C. lie on di
kotykmax [81]
<span>D. lie in the same plane.
</span><span>
The definition of capillarity is that points are considered as co-planar when these points are on the same plane, so it is obvious that the answer D is true because this statement is the definition of capillarity. This is shown in Figure 1.

</span><span>A. lie on the same line.
</span><span>
If four points lie on the same line then there will be a plane that contains this line, therefore the definition is fulfilled. This is shown in Figure 2.

</span><em>Finally, the correct answers are A. and D.</em>

5 0
3 years ago
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Riley's mom has asked him to go to the
Ierofanga [76]

Answer:

4 dollars

Step-by-step explanation:

8 0
3 years ago
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decide whether the random variable x is discrete or continuous. x represents the length of time it takes to get to work
FromTheMoon [43]

The given variable is a continuous variable.

<h3>What is continuous variable?</h3>

A quantitative variable can be either continuous or discrete depending on whether it is normally obtained through measurement or counting. A variable is continuous over a range of real values if it can take on any two specific real values and all other real values in between.

<h3>What is mercury thermometer?</h3>

In Amsterdam, physicist Daniel Gabriel Fahrenheit created the mercury thermometer, also known as a mercury-in-glass thermometer. It consists of a glass tube with a small diameter and a mercury bulb attached to it; the bulb contains far more mercury than the tube does.

<h3>According to the information:</h3>

A mercury thermometer was used to take the subject's temperature.

Because of the temperature:

  • Not counting but measuring it.
  • You can use a decimal number to represent its value.
  • As a result, it is open to any value inside an interval.
  • Temperature is therefore a continuous variable.
  • The only format in which discrete values can be stated is as whole numbers.

so

Temperature is a continuous variable,

To know more about continuous variable visit:

brainly.com/question/14591841

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8 0
1 year ago
Multiply 5⋅2/3.<br> Write your answer as a mixed number. <br> 10/3 <br> 2 /13 <br> 7/3 <br> 3 1/3
Oksana_A [137]

Answer: Heyaa!

Your Answer Is... 10/3

Step-by-step explanation:

<u>Simplify the expression.</u>

Hopefully this helps <em>you !</em>

<em />

<em>- Matthew ~~</em> ( have an amazing day)

8 0
2 years ago
jason and his family travels 160 miles in 3.2 hours. if they continue at this constant speed, how long will it take them to trav
Misha Larkins [42]
Set up a proportion 
160 mi/ 3.2 hrs ≈ 300 mi/x hrs
cross multiply and solve for x and you get x≈6
It will take them 6 hours

3 0
3 years ago
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