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Akimi4 [234]
3 years ago
6

Which of the following is equivalent to 18 minus StartRoot negative 25 EndRoot? 5i 18 – 5i 18 + 5i 23

Mathematics
2 answers:
LuckyWell [14K]3 years ago
3 0

Answer:

Step-by-step explanation:

18-\sqrt{-25}=18-\sqrt{i^{2}*5^{2}}\\\\=18-5i

Delicious77 [7]3 years ago
3 0

Answer: the answer is b

Step-by-step explanation:

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The true statements for this graph are:

B. The domain is the set of all real numbers.

D. The range is the set of all real numbers greater than or equal to zero.

<h3>What is a domain?</h3>

A domain can be defined as the set of all real numbers for which a particular function is defined. For this graph, the vertex of the parabola is (1, 0) and as such, the equation will be given by:

y = (x - h)² + k

y = (x - 2)² + 0

y = x² -4x + 4

Therefore, the graph's domain include a set of all real numbers.

<h3>What is a range?</h3>

A range refers to a set of all real numbers that connects with the elements of a domain. For this graph, we can observe that only real numbers greater than or equal to zero (0) are connected to the values on the x-axis of the domain.

In conclusion, we can logically deduce that the true statements for this graph are:

  • Its domain include all real numbers.
  • Its range include all real numbers that are greater than or equal to zero (0).

Read more on domain here: brainly.com/question/17003159

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6 0
2 years ago
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3 0
3 years ago
Which of the interpretations for the given expression is correct 5(3x-4)^2
Flauer [41]
<span>Which of the interpretations for the given expression is correct 5(3x-4)^2 

is "5 times the square of the binomial 3x - 4."</span>
3 0
4 years ago
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I am thinking of a number.
mash [69]

Answer:

21

Step-by-step explanation:

Let x be that number.

12x-216=2x-6

12x-2x=-6+216

10x=210

10x/10=210/10

x=21

21 is the number.

8 0
3 years ago
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Order the values of the differences from least to greatest. First, write the fractions as decimals. StartFraction 4 Over 5 EndFr
ddd [48]

Complete Question:

Ms. Perez's biology class grew sunflowers to learn about plants. During the first week, the average sunflower grew 3 inches. The table shows the difference from the average for three students.

Order the values of the differences from least to greatest.

Student: Raj. Difference (in.): 4/5

Student: Clara. Difference (in.): -1 1/2

Student: Jacob. Difference (in.): 0.9

Answer:

-1.5, 0.8 and 0.9

The greatest is: 0.9

By student names: Clara, Raj and Jacob

Step-by-step explanation:

See comment for complete question

Given

Differences:

\frac{4}{5}, -1\frac{1}{2}, 0.9

Required

Order from least to greatest

We have: \frac{4}{5}, -1\frac{1}{2}, 0.9

First convert fractions to decimal

\frac{4}{5} = 0.8

-1\frac{1}{2}= -1.5

-\frac{3}{4} = -0.75

So, the differences become:

0.8, -1.5, 0.9

Now arrange from least to greatest

-1.5, 0.8 and 0.9

From the above representation,

The greatest is: 0.9

By student names, we have:

Clara, Raj and Jacob

This is done by simply replacing the numbers with the student name.

See attachment for number line

7 0
3 years ago
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