A gym offers kickboxing classes 22 of the 30 days in October. What decimal is equivalent to the fraction of days in October that classes were offered at the gym?

Answers

Answer 1

Answer: 0.290332258 i’m not sure what you want it rounded to.

explaination:
figure out how many days that is (9) then divide that by how many days in october (31)

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Determine which of these does NOT illustrate two quantities that combine to make 0.A) Jane collects 12 seashells and then loses 12. B) Sharon lost 8 pounds and then gained 10 pounds. C) A business's profit if its income is equal to its expenses. D) Frank wins five dollars and pays back a $5 debt to a friend.

Please help me solve this

Answers

Answer:

C should be the correct answer

Step-by-step explanation:

forgive me if im wrong

Answer:

a, b, c

(all but the last one)

Step-by-step explanation:

a+b+c=180 is true bcuz the sum of interior angles in a triangle is 180

rearrange a+b+c=180 into a+b=180-c

observe that 180-c equals d, so in the equation a+b=180-c replace 180-c with d.

a+b=d so thats true

we already established that d=180-c so thats true as well

and the last one is just not true

1. Find the surface area of the sphere 40 feet

Answers

Answer:

r≈1.78

Step-by-step explanation:

How do i solve 3x² - 8x + 2 = 0 using quadratic formula?

Answers

$3x^2 - 8x + 2 = 0\n \na=3 , \ \ b=-8 , \ \ c=2 \n \nx_(1)=(-b-√(b^2-4ac))/(2a) =(8-√( (-8)^2-4 \cdot 3\cdot 2))/(2 \cdot 3) =(8-√( 64-24 ))/(6) =\n \n =(8-√(40 ))/(6) = ( 8-√(4\cdot 10 ) )/(6) = ( 8-2√( 10 ))/(6) = (2 (4-√( 10 )))/(6) = ( 4-√( 10 ) )/(3)$

$x_(2)=(-b+√(b^2-4ac))/(2a) =(8+√( (-8)^2-4 \cdot 3\cdot 2))/(2 \cdot 3) = ( 4+√( 10 ) )/(3)$

$x = (-b +/- √(b^2 - 4ac))/(2a)$

$x = (-(-8) +/- √((-8)^2 - 4(3)(2)))/(2(3))$

$x = (8 +/- √(64 - 24))/(6)$

$x = (8 +/- √(40))/(6)$

$x = (8 +/- 6.31)/(6)$

$x = (14.32)/(6)$ x ≈ 2.39

$x = (1.68)/(6)$ x ≈ 0.28

If (-3, y) lies on the graph of y = 3^x, then y =

1/27
-1
-27

Answers

1/27

Cuz y=3^(-3)=1/(3^3)=1/27

Peyton has nn nickels and dd dimes. She has no less than 21 coins altogether. Write this situation as an inequality.

Answers

Answer:

N+D _>21

Step-by-step explanation:

N= The number of nickel

D= The number of dimes

So it is n+d less than with the line under it 21

Answer:

n+d _>18

Step-by-step explanation:

A(x)=(2x-5)(x+1)-(5x-3)(2x-5)

Answers

Answer:

-8x² + 28x - 20

Step-by-step explanation:

To simplify the expression A(x) = ( 2x - 5 )( x + 1 ) - ( 5x - 3 )( 2x - 5 ), you can start by using the distributive propertyto expand both sets of parentheses and then combine like terms:

A ( x ) = ( 2x - 5 ) ( x + 1 ) - ( 5x - 3 ) ( 2x - 5 )