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3 years ago

Which statement about the relative areas of AABC and

Mathematics

2 answers:

GenaCL600 [577]3 years ago

8 0

Answer:A, the area is greater than

Step-by-step explanation:

MakcuM [25]3 years ago

3 0

Answer:

the area is greater than

Step-by-step explanation:

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It takes 32 hours for a motorboat moving downriver to get from pier A to pier B. The return journey takes 48 hours. How long doe

lina2011 [118]

Answer:

Time taken by the un powered raft to cover this distance is T = 192.12 hr

Step-by-step explanation:

Let speed of boat = u $\frac{km}{hr}$

Speed of current = v $\frac{km}{hr}$

Let distance between A & B = 100 km

Time taken in downstream = 32 hours

$32 = \frac{100}{u +v}$

$u + v = \frac{100}{32}$

u + v = 3.125 ------ (1)

Time taken in upstream = 48 hours

$48 = \frac{100}{u -v}$

$u -v = \frac{100}{48}$

u - v = 2.084 ------- (2)

By solving equation (1) & (2)

u = 2.6045 $\frac{km}{hr}$

v = 0.5205 $\frac{km}{hr}$

Now the time taken by the un powered raft to cover this distance

$T = \frac{100}{v}$

Because un powered raft travel with the speed of the current.

$T = \frac{100}{0.5205}$

T = 192.12 hr

Therefore the time taken by the un powered raft to cover this distance is

T = 192.12 hr

3 0

3 years ago

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Brittany was tracking the increasing temperature in the morning. At 8 a.m., it was 68 degrees Fahrenheit. At 10 a.m., it was 74

AysviL [449]

Im gonna go with A..

4 0

3 years ago

The perimeter of a rectangle is 38 units. The length<br>the dimensions of the rectangle?

vivado [14]

Answer:

2(l+b) =38

l+b =19

more information required for find length and breadth

6 0

3 years ago

Radioactive uranium-235 has a half-life of about 700 million years. Suppose you find a rock and chemical analysis tells you th

Natalka [10]

Answer:

A. 2.8 billion years old

Step-by-step explanation:

1/16 = (1/2)^4, so 4 half-lives have elapsed.

4 · 0.700 billion years = 2.8 billion years

The rock is 2.8 billion years old.

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3 years ago

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There are approximately 1.2 × 10^8 households

Sedaia [141]

Answer:

i tried and i got pie something

Step-by-step explanation:

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3 years ago