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Vilka [71]
3 years ago
14

Which expression is equivalent to 8( – 2r+2)?

Mathematics
2 answers:
lina2011 [118]3 years ago
6 0

Answer:

I think it is 16r+16

Step-by-step explanation:

Distribute the 8 with the expression inside the parenthesis

8*2r   --> 16r

+

8*2     --> 16

=16r+16

mote1985 [20]3 years ago
5 0

Answer:

8-2r^2

Step-by-step explanation:

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A 3 inch radius circle is drawn inside a 7 inch radius circle. If you throw a dart at these circles, what is the probability you
lorasvet [3.4K]

Answer:

Step-by-step explanation:

The first step is to determine the areas of the inner and the bigger circles.

The formula for determining the area of a circle is expressed as

Area = πr²

Where

r represents the radius of the circle.

π is a constant whose value is 3.14

Considering the inner circle,

diameter = 148.4 cm

Radius = 3 inches

Area = 3.14 × 3² = 28.26 inches²

Considering the bigger circle,

Radius = 7 inches

Area = 3.14 × 7² = 153.86 inches²

The area between the bigger and inner circles is

153.86 - 28.26 = 125.6 inches²

Probability = number of favourable outcome/number of total outcome.

the probability you land inside the bigger circle but outside smaller circle is

125.6/153.86 = 0.82

3 0
3 years ago
4/25, 13%, 0.28, 7%, 21/100, 0.15 least to greatest
Katarina [22]
7%, 13%, 0.15, 4/25, 21/100, 0.28
5 0
2 years ago
Read 2 more answers
PLEASE HELP ME what is the solution to the system of equations?
masha68 [24]
Times the bottom equation by -4 to cancel out the x’s.
Add the equations.
Solve for y.
Plug in y to find x.

8 0
2 years ago
0.6x = 31.2 ( it's multiplication)​
Rasek [7]
X = 52 would be the answer you get.

Explanation you would divide both sides by 0.6 which leaves the x and by dividing 31.2 divided by 0.6 it gives you 52
8 0
2 years ago
(219,379.01 - x) / x = .3321
Ivahew [28]

Answer:x = 164686.592598

Step-by-step explanation:

219379.01−x/x = 0.3321

−x+219379.01/x = 0.3321

Step 1: Multiply both sides by x.

−x+219379.01≈0.3321x

−x+219379.01 − 0.3321x = 0.3321x−0.3321x (Subtract 0.3321x from both sides)

−1.3321x + 219379.01 = 0

−1.3321x + 219379.01 − 219379.01 = 0 − 219379.01 (Subtract 219379.01 from both sides)

−1.3321x = −219379.01

−1.3321x/−1.3321 = −219379.01/−1.3321

(Divide both sides by -1.3321)

x = 164686.592598

6 0
2 years ago
Read 2 more answers
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