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Romashka [77]
3 years ago
14

Solve the equation for t.

Mathematics
2 answers:
DiKsa [7]3 years ago
4 0
<span>3t + 2 = 5(t – 2) – 2t + 8

Start by distributing...

3t + 2 = 5t - 10 - 2t + 8 

Combine like terms....

3t + 2  = 3t - 2

Subtract 3t from both sides 

2 = -2 

Since 2 is NOT equal to -2 there is no solution for this equation</span>
slega [8]3 years ago
3 0
The answer is not given. no solution
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Determine whether the variable is qualitative or quantitative.
Oduvanchick [21]

Answer:

Qualitative variable

A. The variable is qualitative because it is an attribute characteristic.

<h2>What are Quantitative and Qualitative variables?</h2>

A qualitative variable is one in which the "true" or naturally occurring levels or categories taken by that variable are not described as numbers but rather by verbal groupings.

  • Example: levels or categories of hair color (black, brown, blond)

A quantitative variable on the other hand are those in which the natural levels take on certain quantities (e.g. price, travel time)

  • That is, quantitative variables are measured in some numerical unit (eg. pesos, minutes, inches, etc.)

<h2>How is hair color a qualitative variable?</h2>

Because hair color is a categorical variable, it is a qualitative variable too. This is because hair color can be put into different categories depending on the color of someone or something's hair. Someone could have blond, brown, or black hair; they might even have red hair. It's all different and are attributed characteristic, they are all put into different categories, but can only be measured statistically while remaining constant (with different amounts).

<h2>What is a numerical variable and what is a categorical variable?</h2>

A categorical variable is a category or type. For example, hair color is a categorical value or hometown is a categorical variable. Species, treatment type, and gender are all categorical variables.

A numerical variable is a variable where the measurement or number has a numerical meaning. For example, total rainfall measured in inches is a numerical value, heart rate is a numerical value, number of cheeseburgers consumed in an hour is a numerical value.

<em>A categorical variable can be expressed as a number for the purpose of statistics, but these numbers do not have the same meaning as a numerical value. </em>For example, if I am studying the effects of three different medications on an illness, I may name the three different medicines, medicine 1, medicine 2, and medicine 3. However, medicine three is not greater, or stronger, or faster than medicine one. These numbers are not meaningful.

Learn more about qualitative and quantitative variables:

  • brainly.com/question/14037311
  • brainly.com/question/17226865

#SPJ2

7 0
2 years ago
Consider the function f(x)=2x2+7x−30.<br><br> What are the zeros of the function?
Nimfa-mama [501]

Answer:

Zeroes are: (-6, 0) and (2.5, 0)

x= -6  &  x= 2.5

Step-by-step explanation:

I recommend using desmos for graphing problems!

5 0
2 years ago
Giving brainliest !! *easy*
Zepler [3.9K]

Answer: 49

Step-by-step explanation:

The missing constant term in the perfect square is 49.

x^2 + 14x + 49

We need a squart root of something to make the factor add up equal to 14x. If it's a perfect square, we could divide 14 by 2, 14/2 = 7, and we multiply 7^2, we get 49, which is a perfect square.

4 0
2 years ago
Show and explain how replacing one equation by the sum of that equation and a multiple of the other produces a system with the s
lana66690 [7]
Before you will sum up the following equation, first you must multiply the first equation by two and came up with 16x+14y=78 and then add it to the second equation which is 4x-14y=-68 and the remaining variable is 20x=10 then get the value of X and the value is 1/2 or 0.5. I hope you are satisfied with my answer 
4 0
3 years ago
Read 2 more answers
Is -33 an integer? ​
Elden [556K]

Answer:

Yes

Step-by-step explanation:

An integer, also called a "round number" or “whole number,” is any positive or negative number that does not include decimal parts or fractions. For example, 3, -10, and 1,025 are all integers, but 2.76 (decimal), 1.5 (decimal), and 3 ½ (fraction) are not an integer.

4 0
3 years ago
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