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3 years ago

HELP ASAP MY TEST IS 45 MINUTES HELP

Mathematics

2 answers:

Anika [276]3 years ago

8 0

Answer: C. x=6

Step-by-step explanation: x/9=8/12

8/12/2/2=4/6/2/2=2/3

2×9/3

18/3

x=6

Talja [164]3 years ago

7 0

Answer:

<h2><em><u>C is the answer</u></em></h2>

Step-by-step explanation:

x/9=8/12

<h2>2. First simplify the equation</h2>

8/12=4/6=2/3

<h2>3. Find the factor</h2>

3*3

9*1

<h2>4. Multiply by 3/3</h2>

2/3*3/3=6/9

<h2><u><em>So, 6 is the answer</em></u></h2>

Hope this helped,

Kavitha

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Answer:

Step-by-step explanation:

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6 0

4 years ago

Read 2 more answers

Find two numbers whose ratios is 3 to 5 and whose sum is 88

Tomtit [17]

Answer:

33 and 55

Step-by-step explanation:

$\frac{x}{y}: \frac{3}{5}$

x + y = 88

3 + 5 = 8

$y(\frac{x}{y}): y(\frac{3}{5})$

$x= \frac{3}{5}y$

$y+\frac{3}{5}y=88$

$\frac{8y}{5}=88$

$5(\frac{8y}{5})=5(88)$

8y = 440

8y ÷ 8 = 440 ÷ 8

y = 55

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x = 33

5 0

3 years ago

Can someone help me with these problems and show work please !!

Flauer [41]

Answer:

I have just wrote answers

7 0

2 years ago

50/22 rounded to the hundredth

Fynjy0 [20]

Divide 50 by 22: 2.27272727...

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3 0

3 years ago

a boat takes 8 hours to go 6 miles upstream and come back to the starting point. if the speed of the boat is 4 miles per hour in

Romashka-Z-Leto [24]

Consider this option:
1. if to re-write the condition, it is given: total time t=8 hours; upstream=downstream=6 miles; V_boat=4 m/h., V_current=V=?
2. note, that total time=time_upstream+time_downstream, where time_upstream=6miles/(V_boat-V) and time_downstream=6miles/(V_boat+V). Using this it is possible to make up and solve the following equation:
$\frac{6}{4+V} + \frac{6}{4-V} =8; \ =\ \textgreater \ \ \frac{V^2-10}{16-V^2}=0; \ =\ \textgreater \ \ V=\sqrt{10} \ \frac{miles}{hour}$

answer: √10

P.S. the roots of the equation are √10 and (-√10), only positive values is needed for V.

7 0

3 years ago