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4 years ago

12

No irrational numbers are whole numbers true or false

1 answer:

Tatiana [17]4 years ago

7 0

Irrational numbers are real numbers that can not be made by dividing 2 integers, like π , √2, √3, ...
And whole numbers are rational. For example: 5 can be written as 5 / 1.
Answer:
No irrational numbers are whole numbers.
True.

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11/n=8/5 solve for n

mezya [45]

Answer:

n = 55/8

Step-by-step explanation:

$\frac{11}{n} = \frac{8}{5}\\\\cross \ multiply :\\ 8 \times n = 11 \times 5\\\\n = \frac{11 \times 5}{8} = \frac{55}{8}$

6 0

3 years ago

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Solve 1.8c = 7.5 for c.

igor_vitrenko [27]

$1.8c=7.5 \\\\ c=\frac{7.5}{1.8} \\\\ c=\frac{5\frac{5}{10}}{1\frac{8}{10}}=\frac{5\frac{1}{2}}{1\frac{4}{5}} \\\\ c=\frac{\frac{11}{2}}{\frac{9}{4}}= \frac{11}{2}*\frac{4}{9} \\\\ \boxed{c=\frac{22}{9}}$

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4 years ago

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How much yards of highway do they need to repave?

nordsb [41]

4 miles = 7,040 yards

Hope this helps!

8 0

3 years ago

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An arithmetic sequence has this recursive formula:

horsena [70]

Answer:

$\text{\bf{C.}}\quad a_n=4+(n-1)(-7)$

Step-by-step explanation:

An arithmetic sequence that is described by the explicit formula ...

$a_n=a_1+(n-1)d$

can also be described by the recursive formula ...

$\left \{\begin{array}{l}a_1=\text{(first term)}&a_n=a_{n-1}+d&\end{array}\right.$

Matching parts of the formulas, we see that a1 = 4, d = -7. Putting these values into the explicit formula gives ...

$a_n=4+(n-1)(-7)$

4 0

3 years ago

10=s÷2+7 it really difficult could yall help me out

vladimir2022 [97]

Answer:

The value of s is "90". A further explanation is given below.

Step-by-step explanation:

The given expression is:

⇒ 10=s÷2+7

i.e,

⇒ $10=\frac{s}{2+7}$

On solving the above expression, we get

⇒ $10=\frac{s}{9}$

On applying cross-multiplication, we get

⇒ $10\times 9=s$

⇒ $90 = s$

8 0

3 years ago