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4 years ago

What is the value of i in maths?

Mathematics

2 answers:

ryzh [129]4 years ago

7 0

Answer:

$\sqrt{-1}$

Step-by-step explanation:

squareroot of -1

Mariulka [41]4 years ago

6 0

Answer:

Unit imaginary number

Step-by-step explanation:

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Solve the inequality. 14 + 10y ≥ 3(y + 14)

atroni [7]

$\large\displaystyle\text{$\begin{gathered}\sf \bf{14+10y\geq 3(y+14) } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{Simplify \ both \ sides \ of \ the \ inequality. }} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{10y+14\geq 3y+14 } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{Subtract \ 3y \ from \ both \ sides. }} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{10y+14-3y\geq 3y+42-3y } \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{7y+14\geq 41 } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{ Subtract \ 14 \ from \ both \ sides. }} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{7y+14-14\geq 42-14 } \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{7y\geq 28 } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{Divide \ both \ sides \ by \ 7. }} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{\frac{7y}{7}\geq \frac{28}{7} } \end{gathered}$}\\\boxed{\large\displaystyle\text{$\begin{gathered}\sf \bf{y\geq 4} \end{gathered}$} }$

5 0

2 years ago

How many one third cubes are needed to fill the gap in the prism shown below? O 4

allsm [11]

Answer:

24 is the answer...good luck

3 0

3 years ago

(78 + 47) divided by 25

Gekata [30.6K]

Answer:

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

A scatter plot is shown below:

Igoryamba

(0, 9.5) and (10, 1.5)

6 0

3 years ago

6. Find the value of x. 120 6x<br><br>

Virty [35]

Both angles are vertical angles. According to the Vertical Angles Theorem, vertical angles are congruent. Therefore:
6x°=120° [Vertical Angles Theorem (vertical angles are Congruent)].
6x/6=120/6 [Division P.O.E]
x=20.

Therefore, if x=20, then:
6(20)=120 [Substitution P.O.E.
120=120 [Symmetric P.O.E]

And thus,
x=20

3 0

3 years ago