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3 years ago

How do you write 91% as a decimal?

2 answers:

7 0

Percentages are easy to turn into a decimal. 0.91 as a decimal is 91%, and 0.47 is 47%. If you have a percentage such as 132% then it is 1.32. Hope this helps

vlada-n [284]3 years ago

3 0

the answer is .91 because you have to move the decimal two places to the left

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WILL MARK BRAINLIEST! Can someone please help! I don't understand some of these questions :(

PolarNik [594]

Answer:

Step-by-step explanation:

The interior and exterior angle of a polygon is supplementary

let interior be I

let exterior be E

I + E = 180

Since the interior angle is 8 times that of an exterior angle,

8E + E = 180 [replacing I with 8E]

9E = 180

E = 20

The exterior angle is 20 degrees

I + E = 180

I + 20 = 180

I = 160

The interior angle is 160 degrees.

The equation to find the interior angle of a polygon with 'n' number of sides is:

I = ( (n − 2) × 180 ) ⁄ n

We know the interior angle, so plug it in and solve for n:

160 = ( (n − 2) × 180 ) ⁄ n

160n = (n − 2) × 180

160n = 180n − 360

-20n = -360

n = 18

3 0

2 years ago

The cost of raincoat is rs 400 and VAT is rs 40 find the rate of VAT

DaniilM [7]

Divide vat by price

40/400 = 0.1

Multiply by 100

0.1 x 100 = 10%

Rate of vat is 10%

5 0

2 years ago

Circle O, with center (x, y) passes through the points A(0, 0), B(-3, 0), and C(1, 2). Find the coordinates of the center of the

KonstantinChe [14]

Answer:

The center of the circle is

$(-\frac{3}{2},2)$

Step-by-step explanation:

Let the equation of the circle be

$x^2+y^2+2ax+2by+c=0$ , where (-a,-b) is the center of this circle.

The points lying the circle must satisfy the equation of this circle.

A(0,0)

We substitute this point to get;

$0^2+0^2+2a(0)+2b(0)+c=0$

$\implies c=0$

B(-3,0)

$(-3)^2+0^2+2a(-3)+2b(0)+c=0$

$\implies 9+0-6a+0+c=0$

$\implies -6a+c=-9$

But c=0

$\implies -6a=-9$

$\implies a=\frac{3}{2}$

C(1,2)

$1^2+2^2+2a(1)+2b(2)+c=0$

$1+4+2a+4b+c=0$

$2a+4b+c=-5$

Put the value of 'a' and 'c' to find 'b'

$2(\frac{3}{2})+4b+0=-5$

$3+4b+0=-5$

$4b=-5-3$

$4b=-8$

b=-2

Hence the center of the circle is

$(-\frac{3}{2},2)$

8 0

3 years ago

Mrs. Smith went to the grocery store and bought the fruit below.

lukranit [14]

The answer is 12.69, you just need to put all the groceries together!!

7 0

3 years ago

1/4,7/10,1/4,6/10 least to greatest

Pepsi [2]

Answer:

1/4, 1/4, 6/10, 7/10

Step-by-step explanation:

1/4 = 0.25

7/10 = 0.7

6/10 = 0.6

7 0

2 years ago