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3 years ago

I WILL MARK BRIANLIEST PLLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS

Mathematics

2 answers:

Debora [2.8K]3 years ago

8 0

I don’t know thanks for the points

klio [65]3 years ago

6 0

Answer:

HABLO ESPAÑOL ._.

Step-by-step explanation:

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What is the answer?

Ivan

Answer:

Step-by-step explanation:

A^2 + B^2 = C^2

30^2 + 72^2 = 6084.

Square root of 6084 = 78.

3 0

3 years ago

Read 2 more answers

Find the greatest common factor of 48 and 36.

tatiyna

Answer:

One, two, six, four, twelve are some greatest common factors.

Step-by-step explanation:

5 0

4 years ago

Please help fast i will give you the most Brainly <br><br><br> what would n = 3(n+7)=48

neonofarm [45]

Answer:

n = 9

Step-by-step explanation:

3(n+7)=48

distribute

3n +21 = 48

subtract 21 from each side

3n = 48-21

3n = 27

divide by 3

3n/3 = 27/3

n = 9

5 0

3 years ago

#12. How is the answer 48? How do I get it?

VashaNatasha [74]

You do 9+3 which equals 12 then you multiply that by 4

3 0

3 years ago

Read 2 more answers

A boat travels upstream for 48 miles in 3 hours and returns in 2 hours traveling downstream in a river. What is the rate of the

alekssr [168]

Answer:

20 mph and 4 mph

Step-by-step explanation:

GIVEN: A boat travels upstream for $48$ miles in $3$ hours and returns in $2$ hours traveling downstream in a river.

TO FIND: What is the rate of the boat in still water and the rate of the current.

SOLUTION:

Let the speed of boat in still water be $s$ and speed of current be $a$ .

$\therefore$ speed of water in upstream $=s+a$

speed of water in downstream $=s-a$

As $speed=\frac{distance}{time}$

$s+a=\frac{48}{3}=16$

$s-a=\frac{48}{2}=24$

Solving both we get

$s=20\text{ mph}$

$a=4\text{ mph}$

Hence speed of boat in still water and rate of current is 20mph and 4mph respectively.

3 0

4 years ago