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drek231 [11]
3 years ago
13

I REALLY NEED HELP WITH THIS

Mathematics
1 answer:
gtnhenbr [62]3 years ago
6 0

Answer:

x=24

Step-by-step explanation:

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Simplify -13.5a+34.12b+65.5-32.5b-35.8a
4vir4ik [10]

Answer:-49.3a-1.62b+65.5

Step-by-step explanation:

Combine Like terms:

-13.5a-35.8a=-49.3a

-34.12b+32.5b=-1.62b

Answer: -49.3a-1.62b+65.5

5 0
3 years ago
Read 2 more answers
In January of 2003(group 1), 1188 out of 1500 spots were bare ground (no vegetation). Find the sample proportion of bare ground
Nikitich [7]

Answer:

n= 1500 represent the random sample selected

X= 1188 represent the number of pots that were bare ground (no vegetation

\hat p=\frac{X}{n}

And replacing we got:

\hat p=\frac{1188}{1500}= 0.792

So then the sample proportion of bare ground spots is 0.792 for this sample

Step-by-step explanation:

We have the following info given from the problem:

n= 1500 represent the random sample selected

X= 1188 represent the number of pots that were bare ground (no vegetation)

And for this case if we want to find the sample proportion of bare ground spots we can use this formula:

\hat p=\frac{X}{n}

And replacing we got:

\hat p=\frac{1188}{1500}= 0.792

So then the sample proportion of bare ground spots is 0.792 for this sample

7 0
3 years ago
What is the equation of the axis of symmetry for the parabola y equals negative start fraction one over two end fraction left pa
Basile [38]

Sorry I would have helped but just now seen this. Hope you got it correct

8 0
3 years ago
Answer this question correctly, please give the correct answer.
Advocard [28]
X = -2

set equations equal and solve
2x+7 = -x+1
collect like terms
3x = -6
divide
x=-2
7 0
3 years ago
These are the sets you need to put in the Complex number system venn diagram.
Nina [5.8K]

Solution: The venn diagram will be completed as shown in the given figure.

Explanation:

There are many types numbers. The set of numbers are defined below.

Complex Numbers: The complex are the addition of real and imaginative numbers. it is represented as a+bi, where a is a real number and b is an imaginary number.

Imaginary Numbers: The imaginary numbers are those numbers which are not real numbers. For example \sqrt{-2}.

Real Numbers: All numbers in the number system( fractional, roots, positive, negative, decimal, etc) are real numbers. For example 2.1 and 5 etc. Real numbers are categorized in two parts rational and irrational numbers.

1) Irrational numbers: The number which can't expressed in the form of  are called irrational numbers. For example \sqrt{2} and \sqrt{7} etc.

2)  Rational numbers: The number which can be expressed in the form of  are called irrational numbers. For example 5 and -5.2 etc. It is categorized in two parts fractional and integer numbers.

3)Integer numbers: The rational number which has no decimal value is called integer numbers. For example-8,-2, 0, 5,7 and 100 etc.

4) Whole Numbers: The set of all positive integers including 0 is called known as the set of whole numbers.

5) Natural Numbers: All Whole numbers except 0 are known as natural number.


3 0
4 years ago
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