2 years ago

Why are one fourth and three eights represented with negative numbers on the number line in the example

Mathematics

1 answer:

Nikitich [7]2 years ago

8 0

Answer:

i cant say since there arent any number lines shown

Step-by-step explanation:

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The product of-2 and the sum of a number and 8

Sunny_sXe [5.5K]

Answer:

$-2(n+8)$

Step-by-step explanation:

n is an unknown number

"the product" means multiplication

and "the sum" is addition

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2 years ago

Expand and simplify 5(2x-1) + 2(3x-6)

aleksklad [387]

5 (2x-1) + 2(3x-6)

I could only expand it :)

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3 years ago

For z = 2cis 60°, find z4 in rectangular form.

a_sh-v [17]

By DeMoivre's theorem,

$z=2\mathrm{cis}60^\circ\implies z^4=2^4\mathrm{cis}(4\times60)^\circ=16\mathrm{cis}\,240^\circ$
$z^4=16(\cos240^\circ+i\sin240^\circ)$
$z^4=16\left(-\dfrac12-i\dfrac{\sqrt3}2\right)$
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3 years ago

Read 2 more answers

[WILL MARK BRAINLIEST]

Firlakuza [10]

Answer:

A≈94.25in²

Step-by-step explanation:

5 0

3 years ago

Point T is the midpoint of JH. The coordinate of T is (0, 5) and the coordinate of J is (0, 2). The coordinate of H is:

aev [14]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points }\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&J&(~ 0 &,& 2~) 
% (c,d)
&H&(~ x &,& y~)
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{ x_2 + x_1}{2}\quad ,\quad \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left(\cfrac{x+0}{2}~~,~~\cfrac{y+2}{2} \right)=\stackrel{midpoint~T}{(0~,~5)}\implies 
\begin{cases}
\cfrac{x+0}{2}=0\\\\
\boxed{x=0}\\
------\\
\cfrac{y+2}{2}=5\\\\
y+2=10\\
\boxed{y=8}
\end{cases}$

6 0

3 years ago