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Furkat [3]
2 years ago
14

11 A right triangle is shown.

Mathematics
1 answer:
Gre4nikov [31]2 years ago
3 0

Answer:

8 in.

Step-by-step explanation:

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RoseWind [281]

Answer:

5.85

Step-by-step explanation:

$40.95 / 7 =5.85

5 0
3 years ago
A ferry departs from a port along the Sands River at 10:00 am. The ferry travels at a speed of 15 mph in still water and returns
jek_recluse [69]

Answer:

Speed of river's current = 5 mph

Step-by-step explanation:

Let 'd' be the distance covered  

 Let x be the speed of the rivers current

Speed upstream = 15-x

speed downstream = 15+x

Time = distance / speed

time upstream = \frac{d}{15-x}

time downstream = \frac{d}{15+x}

the ferry trip upstream takes twice as long as its return trip downstream

\frac{d}{15-x}= \frac{2d}{15+x}

divide both sides by d

\frac{1}{15-x}= \frac{2}{15+x}

cross multiply

15+x= 2(15-x)

15+x= 30-2x

Add 2x on both sideds

15+3x= 30

subtract 15 from both sides and divide by 3

3x=15

x=5

Speed of river's current = 5 mph

8 0
3 years ago
T-8 in a algebric expression
jeka57 [31]

Answer:

the answer would be 7x-8. i hope this helped. :).

Step-by-step explanation:

yepppp

7 0
3 years ago
Struggling!!! Math help plss!!! ​
Lina20 [59]

Answer:

Step-by-step explanation:

3 0
3 years ago
Which two properties can you use to find (3.4×4)×(25×1) mmentally. Explain.Remember that the parentheses tell you which factors
artcher [175]
Tho would use order of operations!
7 0
3 years ago
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