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3 years ago

Convert 4.0 kilometers to meters

Mathematics

1 answer:

zepelin [54]3 years ago

7 0

1 kilometer = 1,000 meters.
2 kilometers = 2,000 meters.
3 kilometers = 3,000 meters.
4 kilometers = 4,000 meters.

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Someone please help me with this

Nataly_w [17]

Answer:

$a.\ D=\dfrac{1}{5}t$

b. 20 seconds

Step-by-step explanation:

Let $D$ be the distance in miles and

$t$ be the time in seconds and

$s$ be the speed in miles/sec

Formula for Distance is given as:

$Distance = Speed \times Time\\OR\\D=st$

Given that:

Distance = 2 miles and

Time = 10 seconds

Putting the values in formula:

$2=s\times 10\\\Rightarrow s =\dfrac{1}{5} \ miles/sec$

Answer a:

Putting the value of $s$ back in the formula to find the direct variation equation for the relationship between time and distance:

$D=\dfrac{1}{5}t$

Answer b:

Using the above formula and putting $D=4\ miles$ :

$4=\dfrac{1}{5}t\\\Rightarrow t =\bold{20\ seconds}$

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3 years ago

Please Answer its timed The dimensions of a rectangle are represented by the functions shown. g(x)+3x-4 f(x)=2x-9 Which function

Alenkasestr [34]

Answer:

$\boxed{6x^2-35x+36}$

Step-by-step explanation:

The dimensions of the rectangle are represented by functions:

$g(x)=3x-4 \\f(x)=2x-9$

The area is length × width of a rectangle.

$length \times width$

$(3x-4)(2x-9)$

Expand brackets and solve.

$6x^2-27x-8x+36$

$6x^2-35x+36$

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3 years ago

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bagirrra123 [75]

Answer:

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Step-by-step explanation:

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2 years ago

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Snowcat [4.5K]

Okay this equation really says is what is 30% of 248.

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All you have to do now is get out a calculator and do 248 *3/10 (or .3) and get 74.4

So subtract 74.4 and get

173.6

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3 years ago

Evaluate. Express your answer in scientific notation. 4.85 x 103 + 77, 300

lara [203]

7.779955 × 10 to the 4th power.

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3 years ago