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maks197457 [2]
2 years ago
6

Help! Change 2/5 to a percent.

Mathematics
2 answers:
goblinko [34]2 years ago
7 0

Answer:

40%

Step-by-step explanation:

To convert 2/5 to a percent, we need the denominator to be 100 .

2/5 = 40/100

Now that you have have a denominator equal to 100, just look at the numerator.

40% or 0.4

nalin [4]2 years ago
6 0

Answer:

40%

Step-by-step explanation:

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how many meters are equal to 5,253 centimeters? use how the placement of the decimal point changes when dividing by power of 10
motikmotik

Answer:

52.53\ \text{meters}

Step-by-step explanation:

1\ \text{meter}=100\ \text{centimeter}

1\ \text{centimeter}=\dfrac{1}{100}\ \text{meter}

In the question the quantity that is required to be converted to meters is 5253 centimeters.

5253\ \text{cm}=5253\times \dfrac{1}{100}\\ =52.53\ \text{meters}

So, the required measurement in meters is 52.53\ \text{meters}.

3 0
3 years ago
Subtract x^2-6x+4 from 2x^2+4x-8
Rasek [7]
2X^2+4X-8-X^2+6X-4
X^2+4X-8+6X-4
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3 0
1 year ago
What is the value of x to the nearest degree?
Marrrta [24]

Answer:

Step-by-step explanation:

This is right triangle trig.  The side opposite the x is 8, and the side adjacent to the x is 5.  The tangent ratio uses those sides.  We need to find what angle has a tangent of 8/5.  To do this, make sure your calculator is in degree mode.  Then hit "2nd" then tan and you will see tan with a little -1 and a parenthesis.  Enter 8/5 and hit "enter" and you will get an angle measure of 57.9946.  Rounded to the nearest degree this is 58 degrees.  That's your answer!

8 0
3 years ago
Read 2 more answers
The height h in feet of a ball thrown vertically upward from the top of a 288-foot tall building is given by h=288+48t-16t^2 whe
mr Goodwill [35]

6 sec can take penny to strike the ground.

Solution:

Given data:

H_0=288 feet

V_0=48 feet

h(t)=288+48t-16t^2

Re-arrange the terms from greatest degree to smallest degree.

h(t)=-16t^2+48t+288

We can solve it by applying quadratic formula,

$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

Here a = –16, b = 48, c = 288

$t=\frac{-48\pm \sqrt{48^2-4(-16)(288)}}{2(-16)}

$t=\frac{-48\pm \sqrt{2304+18432}}{-32}

$t=\frac{-48\pm \sqrt{20736}}{-32}

$t=\frac{-48\pm144}{-32}

Now, write find two t's using plus and minus operation.

$t=\frac{-48+144}{-32},\ \ t=\frac{-48-144}{-32}

$t=\frac{96}{-32},\ \ t=\frac{-192}{-32}

t = –3 (or)   t = 6

We cannot write time is negative. so neglect t = –3.

Therefore t = 6.

Hence 6 sec can take penny to strike the ground.

8 0
2 years ago
Beneze recipe for granola bars close for 3 1/2 cups of oatmeal he only has 16 cup scoop how many scoops of oatmeal he need for t
LUCKY_DIMON [66]
16/3 1/2= 7/32. so you would measure 7/32 on the 16 cup scoop
7 0
3 years ago
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