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3 years ago

Is the number 282.5 the same as 282.50?

Mathematics

2 answers:

tatyana61 [14]3 years ago

4 0

Yes because the zero has no value.

WITCHER [35]3 years ago

3 0

Yes it is because in 282.50 the zero has no value.

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In this circle, the area of sector COD is 50.24 square units. The radius of the circle is units , and units.

maks197457 [2]

Let angle be alpha

$\\ \rm\Rrightarrow Area=50.24$

$\\ \rm\Rrightarrow \dfrac{\alpha}{360}\pi r^2=50.24$

$\\ \rm\Rrightarrow \alpha 3.14r^2=18086.4$

$\\ \rm\Rrightarrow \alpha r^2=5760$

$\\ \rm\Rrightarrow r^2=\dfrac{5760}{\alpha}$

$\\ \rm\Rrightarrow r=\sqrt{\dfrac{5760}{\alpha}}$

If you have angle measure in degree put in place of Alpha and get the value elaw this is our final answer

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2 years ago

Luke bikes for 2.58 miles and takes a car for 6.93 miles each morning to reach his school. How long is Luke's journey to school?

Dafna1 [17]

Answer:9.51

Step-by-step explanation:You add them for the total

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3 years ago

If f(x)=-9x-3, find f(-5)

Andrews [41]

Answer:

Step-by-step explanation:

f(-5) = -9 × (-5) - 3 = 45 - 3 = 42

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)

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3 years ago

The value of the pronumeral

Sergio039 [100]

Answer: stop pay attention in class

Step-by-step explanation:

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3 years ago

Please help pls pls help pls belp

Delvig [45]

Answer:

After 1 second, the ball will reach a maximum height of 16 feet

Step-by-step explanation:

The height of the ball after t seconds: h(t) = -16t^2 + 32t

The graph of this quadratic function is parabola which opens downwards. The vertex of a quadratic equation is the maximum or minimum point on the equation's parabola

t = -b/2a = -(32)/2(-16) = -32/-32 = 1 second

then

h(t) = -16(1)^2 + 32(1) = -16 + 32 = 16

After 1 second, the ball will reach a maximum height of 16 feet

8 0

2 years ago