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3 years ago

HELP ME ON GEOMETRY!!

Mathematics

1 answer:

Nikolay [14]3 years ago

6 0

Answer:

12 units²

Step-by-step explanation:

The two are congruent, so C'D' is still 6units long. L*W = 6 * 2 = 12 units^2

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frez [133]

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Step-by-step explanation:

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3 years ago

Amelia spent an hour an a half on a drawing .At the end she said that it was 75% done.How much time do she needs and how much ti

noname [10]

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3 years ago

What is the perimeter of the figure to the nearest tenth of a millimeter

torisob [31]

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4 years ago

Read 2 more answers

Real World Scenario:

iragen [17]

The distance of a train from the city depends on the speed, the time of

travel, and direction of motion of the train.

Correct responses:

Distance Train A is from the city: 750 - 75·t

Distance Train B is from the city: 50·t

After six hours, the two trains are the same distance from the city

At that time both trains will be 300 miles away

1) From the time of departure of Train B to just before 6 hours after Train B's departure; 0 ≤ t < 6 hours

2) At time period, t > 6 hours

3) 250 miles

<h3>Method used to find the above response</h3>

Given:

The distance of train A from the city = 750 miles

Speed of train A = 75 mph

Time at which Train B leaves the city = When Train A is 750 miles from the city

Speed of Train B = 50 mph

Solution:

The equations are;

Distance of Train A from the city is; x₁ = 750 - 75·t

Distance of Train B from the city is x₂ = 50·t

When the train are the same distance from the city, we have;

750 - 75·t = 50·t

750 = 50·t + 75·t = 125·t

Therefore;

$t = \mathbf{\dfrac{750}{125}} = 6$

The time it takes the two trains to be the same distance from the city is 6 hours.

Which gives;

After 6 hours, the two trains are the same distance from the city.

The distance the trains will be after 6 hours is therefore;

750 - 75 × 6 = 300

The distance of the trains from the city after 6 hours = 300 miles

Therefore, we have;

At that time both trains will be 300 miles away

1) The time period Train A is further from the city is before the first 6 hours elapse; 0 hours ≤ t < 6 hours

2) The Train B is further from the city after 6 hours of its departure from the city; t > 6 hours

3) The distance of Train A from the city after 4 hours is given as follows;

x₁ = 750 - 75 × 4 = 450

x₁ = 450 miles

The distance of Train B from the city after 4 hours is; x₂ = 50 × 4 = 200

x₂ = 200 miles

Therefore;

The distance between the trains after 4 hours = 450 miles - 200 miles = 250 miles

Learn more about distance and time relationship equation here:

brainly.com/question/10804931

3 0

2 years ago

tom paid $16 for 6 audio cassettes. Which proportion can be used to find the amount of money (m) he would pay for 9 audio casset

tigry1 [53]

Answer:

Step-by-step explanation:

From the question, Tom paid $16 for 6 audio cassettes and we are told to find the proportion to get the amount of money (m) he would pay for 9 audio cassettes. To get this, we have to know the amount of the cost of 1 audio cassette. Since Tom paid $16 for 6 audio cassettes, 1 audio cassette will cost:

= $16/6

= $2.67

1 audio cassette will cost $2.67

The amount of money spent will depend on the number of audio cassettes. Therefore,

m = $2.67 × n

m = $2.67n

where n = number of audio cassette

The amount of money he'll pay for 9 cassette will be:

m = $2.67n

m = $2.67 × 9

m = $24.03

7 0

3 years ago

HELP ME ON GEOMETRY!!​

HELP ME ON GEOMETRY!!