4 years ago

5/9 multiplied by 10/7

Mathematics

2 answers:

inessss [21]4 years ago

7 0

$\frac{5}{9}\cdot\frac{10}{7} = \frac{50}{63}$

Eduardwww [97]4 years ago

4 0

The answer to this problem is 7/18

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PtichkaEL [24]

Answer:

Sodium ion

Step-by-step explanation:

Hope this helps!

5 0

3 years ago

A row team paddles 30 miles upstream in 2 hours and 30 miles downstream in 45 minutes. How fast can the row team paddle in still

sp2606 [1]

Answer:

Rate in still water = 27.5 mph

Current's rate = 12.5 mph

Step-by-step explanation:

Let

x mph = row team rate in still water

y mph = current's rate

Upstream:

Distance = 30 miles

Time = 2 hours

Rate = x - y mph

Then

$30=2(x-y)$

Downstream:

Distance = 30 miles

Time = 45 minutes $=\dfrac{3}{4}$ hour

Rate = x + y mph

Then

$30=\dfrac{3}{4}(x+y)$

From the first equation:

$30=2(x-y)\Rightarrow 15=x-y$

From the second equation:

$30=\dfrac{3}{4}(x+y)\Rightarrow 40=x+y$

Add these two equations:

$15+40=x-y+x+y\\ \\2x=55\\ \\x=27.5\ mph$

Subtract these two equations:

$40-15=x+y-(x-y)\\ \\25=x+y-x+y\\ \\2y=25\\ \\y=12.5\ mph$

8 0

4 years ago

What are the partial products of 396 divided by 12?

Alisiya [41]

396 divided by 12 will be 33

8 0

3 years ago

Read 2 more answers

Explain why 0.04/3.6 has the same answer as 4/360

lisov135 [29]

Because when you divide you get the same answer or something to do with percents

7 0

3 years ago

Elimination 2x - 5y = 8 x - 3y = -1

ruslelena [56]

X=29 and y=10

You would isolate one of the variables and then plug the expression into the other equation to find the value of one variable. Then you would plug this value into the other equation to determine the value of the remaining variable.

8 0

3 years ago