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natulia [17]
2 years ago
6

If 8, x, 18 form a geometric sequence , find a value for x

Mathematics
2 answers:
Nadusha1986 [10]2 years ago
6 0

Answer:

13

Step-by-step explanation:

it goes up by 5 every time

katrin [286]2 years ago
4 0

Answer: 13

Step-by-step explanation: It goes up by 5 so 8, 13, 18, 23, and etc

Please tell me if I'm wrong

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when a spherical balloon is filled with air, it has a radius of 3 inches. what is the estimate for the volume of air in the ball
Crazy boy [7]

The volume of a sphere is given by the equation V=\frac{4}{3} \pi r^{3}, where V is the volume and r is the radius.


To answer this question, simply plug the correct values into the equation:

V=\frac{4}{3} \pi 3^{3} \\V=4.1888(27)\\V=113.0976


The volume of the air in the balloon is about 113.0976 in3.


Hope this helps!!

7 0
2 years ago
An employee earned $3,300 working for an employer in the current year. the current rate for fica social security is 6.2% payable
spin [16.1K]
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7 0
3 years ago
A slide 15 feet long makes an angle of 330 with its vertical ladder. To the
Shkiper50 [21]

Answer:

13ft

Step-by-step explanation:

Kindly find attached a rough draft of the situation.

Step one:

Given data

The length of the slide represents the

Hypotenuse of the situation on the rough sketch

Angle =33°

Required

The height of the ladder which is the adjacent of the rough sketch represented by x

Step two:

Applying SOH CAH TOA

Cos θ= adj/hyp

Cos 33=x/15

0.84=x/15

Cross multiplying

x=0.84*15

x=12.6

To the nearest foot the ladder is 13ft tall

6 0
2 years ago
The perimeter of a square measures 1.3 meters. What is its side length in centimeters?
ololo11 [35]

Side length in centimeters is

A) 130 cm

5 0
3 years ago
A bird flies 6 1/4 mi in 20 min.
sleet_krkn [62]
X=20*8.15/6.25 this will give you your answer
Answer:26 
Hope this helps!
8 0
3 years ago
Read 2 more answers
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