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guajiro [1.7K]
3 years ago
9

What is the area of the red? Use 3.14 for π.

Mathematics
1 answer:
grigory [225]3 years ago
8 0
Ask your teacher that’s all you have to do.
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A certain ferry moves up and down a river between Town A and
Blizzard [7]

Answer: 60 miles

Step-by-step explanation:

Given

It takes ferry 2 hours to travel to town A and only 1.5\ hr to travel back to town B.

Speed of current is u=5\ mph

Suppose the speed of the ferry is v mph

Distance traveled in both the cases is same, but it took more time traveling to city A that is, ferry is moving upstream and downstream for returning time.

\Rightarrow 2(v-5)=1.5(v+5)\\\Rightarrow 2v-10=1.5v+7.5\\\Rightarrow 0.5v=17.5\\\Rightarrow v=35\ mph

Distance between the towns is 2\times (35-5)=60\ \text{miles}

5 0
3 years ago
Read 2 more answers
Help me please <br> !!!!!!!!!!!!!!!
Crank
16 units just count the tiny lines in the middle by 2
3 0
3 years ago
Write the following equation in standard form.<br> y=-4/5x-2
Leni [432]

Answer:

4x+5y=-2

Step-by-step explanation:

y=-4/5x-2

5y=-4x-2

4x+5y=-2

6 0
3 years ago
You plan to take $450 u.s. on a trip to south africa. how many rands is this if one u.s. dollar equals 3.70 rands?
Inga [223]
$1 = 3.70 rands

$450 is simply 450 times $1, so multiply the conversion equation above by 450 on both sides.

450 * $1 = 450 * 3.70 rands

$450 = 1665 rands
8 0
3 years ago
Once again help?<br> im just checking my answers again so yeah
amid [387]

Answer:

Number of Weeks - { 1, $120} {4, $480} {8, $960}

Step-by-step explanation:

First divide $1,800 by 15, which gives you 120. for for every week you add on $120. $120 times 4 gives us $480. 960 divided by 120 gives you 8 weeks. (i hope this helps :) )

8 0
3 years ago
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