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Helga [31]
3 years ago
12

I NEED HELP ASAP ILL GIVE BRAINLIEST 50 = 1.56x+1.29

Mathematics
1 answer:
MrRa [10]3 years ago
3 0

Answer:

x approximately = 31.22  

Step-by-step explanation:

1.29 + 1.56x = 50

- 1.29               - 1.29

_________________

1.56x = 48.71

___________

       1.56

  x approximately = 31.22

Hope this helps at all!

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Which choice gives the center and radius of the circle represented by the equation?
shutvik [7]
(x-h)^2+(y-k)^2=r^2 is the equation of a circle centered at (h,k) with radius r.

Here h=7, k=-3, and r^2=25\implies r=5. So the answer is (C)
3 0
3 years ago
Find the approximate volume of the figure below, composed of a cone, a cylinder, and a hemisphere. If necessary, round your answ
mixas84 [53]

Answer:

Volume of the solid = 480.42m³

Step-by-step explanation:

To sov this question, we'll have to break the solid into different shapes of solid to solve it easily.

Volume of a cylinder = πr²h

volume of a hemisphere = 4/3πr³

Volume of a cone = ⅓πr²h

π = 3.14

r = 3m

h(cylinder) = 11m

Slant height of cone = 3√(2)

Height of cone = ?

To find height of cone, we can use pythagorean theorem

a² = b² + c²

[ 3√(2)]² = 3² + c²

9*2 = 9 + c²

C² = 18 - 9

C = 9m

Height of the cone = 9m

Volume of a cylinder = πr²h

V = 3.14 * 3² * 11

V = 310.86m³

Volume of the cylnder = 310.86m³

Volume of the hemisphere = 4/3πr³

V = 3.14 * 3³

V = 84.78m³

Volume of the hemisphere = 84.78m³

Volume of the cone = ⅓πr²h

V = ⅓ * 3.14 * 3² * 9

V = 84.78

Volume of the cone = 84.78m³

Volume of the solid = volume of cone + volume of hemisphere + volume of cylinder

Volume of the solid = 84.78 + 84.78 + 310.86

Volume = 480.42m³

5 0
4 years ago
The average 12 ounce cola contains 14 mg of sodium. If Tanner plans to limit his sodium from soda to 100 mg each week,
Westkost [7]
11234 i think lol or try Socratic
6 0
3 years ago
Can someone please help me?:\
katrin [286]

The circumference of the top of the cake is 9.5\pi\approx29.845 in.

It sounds like the baker is trying to line the circumference with cherriesto fit as many as possible along the border, like in the picture I've attached below.

This comes down to dividing the cake's circumference by the diameter of each cherry:

\dfrac{9.5\pi}{0.75}\approx39.79

or about 39 cherries, making the answer D.

7 0
3 years ago
Which expression is equivalent to 3i(9i +15)?<br> - 45 +9i<br> -27 + 452<br> 27 +452<br> 2722 + 452
vaieri [72.5K]

Answer: B. -27+452i

Step-by-step explanation: Simplify the real and imaginary parts of the expression.

Hope this helps you out.

3 0
3 years ago
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