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2 years ago

6

Tanner made a scale drawing of an apartment. He used the scale 1 millimeter : 2 meters. In the drawing, the dining room is 3 mil

limeters long. What is the length of the actual dining room?

1 answer:

Marina CMI [18]2 years ago

6 0

The length of the actual dinning room is 6 metres.

<h3>How to find the actual length of the dinning room?</h3>

Tanner made a scale drawing of an apartment.

He used the scale 1 millimetre : 2 meters.

In the drawing, the dining room is 3 millimetres long.

Therefore,

1 millimetre = 2 meters

3 millimetres = ? metres

cross multiply

Hence,

length of the actual dinning room = 3 × 2 / 1

length of the actual dinning room = 6 metres

Therefore, the length of the actual dinning room is 6 metres.

Learn more about scale here: brainly.com/question/21165842

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A boat travels 33 miles downstream in 4 hours. The return trip takes the boat 7 hours. Find the speed of the boat in still water

Paha777 [63]

<u>Answer:</u>

Speed of the boat in still water = 6.125 miles/hour

<u>Step-by-step explanation:</u>

We are given that a boat travels 33 miles downstream in 4 hours and the return trip takes the boat 7 hours.

We are to find the speed of the boat in the still water.

Assuming $S_b$ to be the speed of the boat in still water and $S_w$ to be the speed of the water.

The speeds of the boat add up when the boat and water travel in the same direction.

$Speed = \frac{distance}{time}$

$S_b+S_w=\frac{d}{t_1}=\frac{33 miles}{4 hours}$

And the speed of the water is subtracted from the speed of the boat when the boat is moving upstream.

$S_b-S_w=\frac{d}{t_2}=\frac{33 miles}{7 hours}$

Adding the two equations to get:

$S_b+S_w=\frac{d}{t_1}$

+ $S_b-S_w=\frac{d}{t_2}$

___________________________

$2S_b=\frac{d}{t_1} +\frac{d}{t_2}$

Solving this equation for $S_b$ and substituting the given values for $d,t_1, t_2$ :

$S_b=\frac{(t_1+t_2)d}{2t_1t_2}$

$S_b=\frac{(4 hour + 7hour)33 mi}{2(4hour)(7hour)}$

$S_b=\frac{(11 hour)(33mi)}{56hour^2}$

$S_b=6.125 mi/hr$

Therefore, the speed of the boat in still water is 6.125 miles/hour.

6 0

3 years ago

Read 2 more answers

What is the value of x

andreyandreev [35.5K]

Answer:

The answer would be 7

36/6=6

so it would be

42/x=6

x=7

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2 years ago

Use any method to add or subtract (1 point) <br> 5/7 - (3/14 + 3/14)

Ray Of Light [21]

Answer:

5/7 - (3/14 + 3/14) = 2/7

See the steps of solution:

5/7 - (3/14 + 3/14) = Solve parenthesis first
5/7 - (3 + 3)/14 = Add fractions with same denominator
5/7 - 6/14 = Simplify
5/7 - 3/7 = Subtract fractions with same denominator
(5 - 3)/7 = Simplify
2/7 Answer

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2 years ago

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Please answer :( If it takes 1/3 cup of flour to make 1/4 of a cake, how many cups of flour are needed to make a whole cake?

denis-greek [22]

Answer:

1 $\frac{1}{3}$

Step-by-step explanation:

1/4cake=1/3cup

Now times both sides by 4

$\frac{1}{4}$ x $\frac{4}{1}$ =1 cake

$\frac{1}{3}$ x $\frac{4}{1}$ = $\frac{4}{3}$ which equals 1 $\frac{1}{3}$

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3 years ago

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insens350 [35]

Answer to A:

16.67%

Explanation to A:

If we need a number greater than five, the only number left is six, meaning there is $\frac{1}{6}$

$\frac{1}{6} = 0.166666666$

We can make it a percent by moving the decimal two places to the right and rounding to the thousandths place (two numbers). This would make our final answer 16.67%

Answer to B:

50%

Explanation to B:

There are three even numbers: 2, 4, and 6. This means we have a $\frac{3}{6}$ chance to land on one.

$\frac{3}{6} = 0.5$

0.5 = 50%

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4 years ago