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RoseWind [281]
3 years ago
5

Add (-5+2i) +(3+4) please answer this and you’ll receive 100 pts

Mathematics
1 answer:
makvit [3.9K]3 years ago
6 0

Answer:

2+2i

Step-by-step explanation:

(-5+2i)+(3+4)

-5+3+4+2i

-5+7+2i

2+2i

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(-7. + 3 + x) - (=6 - 7.3 + 2.)
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Are we finding x? Or are we solving the equation with x
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2 years ago
In ΔXYZ, ∠X=82° and ∠Y=84°. ∠XWZ=90° and XY=97. Find the length of XW to the nearest integer.
ivanzaharov [21]

Check the picture below to the left, let's use those sides with the law of sines

\textit{Law of sines} \\\\ \cfrac{sin(\measuredangle A)}{a}=\cfrac{sin(\measuredangle B)}{b}=\cfrac{sin(\measuredangle C)}{c} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{sin(14^o)}{97}=\cfrac{sin(84^o)}{XZ}\implies XZ = \cfrac{97\cdot sin(84^o)}{sin(14^o)}\implies XZ \approx 398.76 \\\\\\ \stackrel{\textit{now using SOH CAH TOA}}{cos(82^o) = \cfrac{XW}{XZ}}\implies XZcos(82^o)=XW \\\\\\ 398.76cos(82^o)\approx XW\implies 55.497\approx XW\implies \stackrel{\textit{rounded up}}{55=XW}

7 0
2 years ago
Courtney has 12 fewer stickers than tina. how many stickers does courtney have in terms of x?
Annette [7]

Answer:

X-12

X×4

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Step-by-step explanation:

6 0
2 years ago
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Geometry.
Harman [31]
Check the picture below.

8 0
3 years ago
An opera house has a seating capacity of 872 people with each ticket costing 50 Rupees .If the opera house is running for 15 day
Nataly_w [17]

Answer:

654000 Rupees

Step-by-step explanation:

If we assume that the opera house was full every day then it would be 872 x 50 for the price of 1 day

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We multiple that number by the amount of days open so is would be 43600 x 15

43600 x 15 = 654000

Therefore it will make 654000 Rupees

7 0
3 years ago
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