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STALIN [3.7K]
4 years ago
15

23×72=_+40+420+12 which number correctly completes the equation

Mathematics
2 answers:
ahrayia [7]4 years ago
7 0
The answer to this problem is 2,358
bazaltina [42]4 years ago
4 0
23 x 72 = 1656
40 + 420 + 12 = 472
1656 - 472 = 1184 (the answer)
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Joe left the hospital at the same time as Eugene. They drove in opposite directions. Eugene drove at a speed of 70 km/h. After t
Gala2k [10]

If Joe and Eugene are travelling in opposite directions, their total distance is 360 km.

Eugene's speed = 70 km/hour

Let Joe's speed be = x

They each travel for 3 hours, so time = 3 hours

Distance = speed * time

360=70(3)+x(3)

360=210+3x

3x=150

x=50

Hence, Joe's speed is 50 km per hour.


4 0
3 years ago
Molly and Ryan both need to answer this question on their test in math class. 34×45=? They both got 12/20 as their answer but do
Neporo4naja [7]
It would be 3/5 because if you simplify it you would bet 3/5
4 0
3 years ago
Solve x−5≥1. please help me quick
tresset_1 [31]

Answer:

x greater than or equal to 6

[6, infinity)

Step-by-step explanation:

x-5+5 greater than or equal to 1+5

5 0
3 years ago
Read 2 more answers
I need help plz. Its DeMoivres Theorem
vagabundo [1.1K]

\bf \qquad \textit{power of two complex numbers} \\\\\ [\quad r[cos(\theta)+isin(\theta)]\quad ]^n\implies r^n[cos(n\cdot \theta)+isin(n\cdot \theta)] \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ z=\stackrel{a}{-1}\stackrel{b}{-\sqrt{3}~i}~~ \begin{cases} r=\sqrt{a^2+b^2}\\ \theta =tan^{-1}\left( \frac{b}{a} \right)\\[-0.5em] \hrulefill\\ r=\sqrt{(-1)^2+(\sqrt{3})^2}\\ \qquad \sqrt{4}\\ \qquad 2\\ \theta =tan^{-1}\left( \frac{-\sqrt{3}}{-1} \right)\\\\ \qquad \frac{4\pi }{3} \end{cases}

\bf z=2\left[ cos\left( \frac{4\pi }{3} \right) -i~sin\left( \frac{4\pi }{3} \right)\right]\implies z^6=\left[ 2\left[ cos\left( \frac{4\pi }{3} \right) -i~sin\left( \frac{4\pi }{3} \right)\right] \right]^6 \\\\\\ z^6=2^6\left[ cos\left( 6\cdot \frac{4\pi }{3} \right) -i~sin\left( 6\cdot \frac{4\pi }{3} \right)\right]\implies z^6=64[cos(8\pi )-i~sin(8\pi )] \\\\\\ z^6=64[(-1)-i~(0)]\implies z^6=\stackrel{\stackrel{a}{\downarrow }}{-64}~~\stackrel{\stackrel{b}{\downarrow }}{-0i}

4 0
4 years ago
4/ 5 ÷ 5/4 will give you<br><br> 1<br> 16/25<br> 1 whole 9 / 25
vova2212 [387]

Answer:

16/25

Step-by-step explanation:

first do keep change flip

4/5 × 4/5

16/25

6 0
3 years ago
Read 2 more answers
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