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2 years ago

7

URGENT WILL GIVE BRANLIEST IF CORRECT!!! A car is moving at 22.5 m/s, when it begins to accelerate at 1.45 m/s². How much time d

oes it take to travel 60.2 m?
(Unit = s)

1 answer:

ahrayia [7]2 years ago

4 0

Answer:

2.48 seconds

Step-by-step explanation:

See attached

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Marco borrowed $150 from his brother.He has paid him back 30% so far.How much money does Marco still owe his brother?

alexdok [17]

150*30% = $45
$150-$45 = $105

Marco still owes his brother $105

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Find an equation in rectangular coordinates for the cylindrical equation r = 2sintheta

frutty [35]

Answer:

$x^2+(y-1)^2=1$

Step-by-step explanation:

The given cylindrical equation is

$r=2\sin \theta$

Multiply both sides by r.

$r^2=2r\sin \theta$ .... (1)

The required formulas are

$x=r\cos \theta,y=r\sin \theta,r^2=x^2+y^2$

Substitute $r\sin \theta =y,r^2=x^2+y^2$ in equation (1).

$x^2+y^2=2y$

$x^2+y^2-2y=0$

Add 1 on both sides.

$x^2+(y^2-2y+1)=1$

$(x-0)^2+(y-1)^2=1^2$ $[\because (a-b)^2=a^2-2ab+b^2]$

It is the equation of a circle centered at (0,1) with radius 1.

Therefore, the equation in rectangular coordinates is $x^2+(y-1)^2=1$ .

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3 years ago

What is 5(2 + x) = 5 ?

Alex787 [66]

5(2+x)=5

or, 10+5x=5

or, 5x= -5

or, x= -1

Hope it helps

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Please help me. ill give brainliest

satela [25.4K]

So first you need to find the surface area of the cake pan in the recipe:

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The second one is:

10 times 10+(10 times 10)2+(10 times 2)2= 100+200+40 which you can also figure out yourself.

I am guessing you cannot use the pan you have for your recipe.

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