PLZZZZZZZ HELPPPPP ME WITHIN THIS HOUR ASAPPPPP RIGHT ANWSERSS REWARD BRAINLIESTT

Mathematics

1 answer:

motikmotik3 years ago

4 0

Answer:

i dont know if u want like steps but its (1,4)

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-4(-6 + 2) = A)-16 B)-32 C)-8 D)16

Elenna [48]

Step-by-step explanation:

$- 4( - 6 + 2)$

$- 4( - 4) = + 16$

4 0

3 years ago

Read 2 more answers

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

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