Doug entered a canoe race. He rowed 3.5 miles in 0.5 hours. What is his average speed in miles per hour?

1 answer:

3 0

Wassup, since 0.5 hours is 30 minutes, which is half an hour, all you need to do to get your answer is multiply 3.5 by 2. Your answer is 7. I hope this answer was helpful.

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Arte-miy333 [17]

Answer:

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Step-by-step explanation:

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What’s the slope of (-5,7) and (5,-3)

Oksana_A [137]

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Louann and Carla received equal scores on a test made up of multiple choice questions and an essay. Louann got 14 multiple choic

HACTEHA [7]

Hello,

x= number of points for each multiple choice question correct
L= Louann's score
C= Carla's score

Louann got 14 multiple choice questions correct and 24 points for her essay, so:

$L=14*x+24$

Carla got 16 multiple choice questions correct and 14 points for her essay, so:

$C=16*x+14$

But we know that they got the same score, then:

$L=C \\ 14x+24=16x+14 \\ 10=2x \\ \boxed{x=5}$

Answer: Each multiple choice question was 5 points

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Read 2 more answers

How do u do this problem

anastassius [24]

Because there are 4 people and all bought the same things you multiple 4(4+1+2)=4x7=28 So the total cost is $28

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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

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

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