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3 years ago

Solve -1 7/8 * (-2 2/5)

Mathematics

1 answer:

Semmy [17]3 years ago

3 0

Answer:

exact form:

9/2

decimal form:

4.5

mixed number form:

4 1/2

Step-by-step explanation: sorry if this wasnt what you were looking for.

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Calculate the distance between the points L=(-4,-1) and E =(3, 7) in the coordinate plane.

BaLLatris [955]

Answer:

10.6301458127

Step-by-step explanation:

Distance between any two points (x1, y1) and (x2,y2) on a coordinate plane is expressed by the formula = $\sqrt{(x1-x2)^2 + (y1 - y2)^2} \\$

given L=(-4,-1) and E =(3, 7

substituting value of coordinates in equation $\sqrt{(x1-x2)^2 + (y1 - y2)^2} \\$

we have

$\sqrt{(-4 - 3)^2 + (-1 - 7)^2} \\=>\sqrt{(-7)^2 + (-8)^2} \\=>\sqrt{49 + 64} \\=>\sqrt{113} \\=>10.6301458127$

Therefore the distance between the points L=(-4,-1) and E =(3, 7) = 10.6301458127

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3 years ago

What is the circumference of the circle?

Nady [450]

Answer:

18.84

Step-by-step explanation:

The formula for circumference is 2(pi)r, I think. The radius is 3. 3 times 2 is 6. 6 times 3.14 is around 18, I think.

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3 years ago

An object is launched at 28 meters per second (m/s) from a 336-meter tall platform. The equation for the object's height s at ti

kondaur [170]

Answer:343 m

Step-by-step explanation:

Given

launch velocity of object is $u=28\ m/s$

height of Platform $h=336\ m$

height of object is given by

$s(t)=-7t^2+14t+336$

For maximum height velocity of object is zero

i.e. $\frac{ds}{dt}=0$

$\frac{ds}{dt}=-14t+14+0=0$

$t=\frac{14}{14}=1\ s$

Therefore after 1 sec object achieves maximum height

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Answer:D

Step-by-step explanation:

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