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ehidna [41]
2 years ago
7

Inbox

Mathematics
1 answer:
ryzh [129]2 years ago
8 0

Answer:

He will pay 60 feet of wire for $13.80

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Find the sum of the finite geometric series: 5 + 10 + 20 + ... +81,920.
Anestetic [448]

Answer:

No solution

Step-by-step explanation:

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by  2  gives the next term. In other words,  <em>a n +a1 ⋅ r n -1</em><em> </em>

Geometric Sequence:<em>  </em><em>r = 2</em>

The series given has a value of<em>  </em><em>r  </em>such that <em>r  >  1  or   r  <  −  1.</em> Therefore, the infinite sum cannot be calculated.<em> </em>

<em> </em>

<em> </em>

8 0
2 years ago
PLEASE HELP!! NO LINKS!!
dlinn [17]

Answer:

42.1 cm

Step-by-step explanation:

θ = 265°

Radius (r) = 9.1 cm

Arc length of major arc GH = θ/360 × 2πr

Plug in the values into the equation

Length of arc GH = 265/360 × 2 × π × 9.1

= 42.0886149

= 42.1 cm (nearest tenth)

6 0
3 years ago
2. The absolute value of -8 is 8.
liraira [26]
2. The absolute value of -8 is 8. True
3. An isosceles triangle has three congruent sides.
 Nope. It has two

  4. The cosine is the ratio between the length of the opposite leg to the length of the hypotenuse.
 I have no idea.

 5. The boiling point of water is 212°C.
true

 
6.
The expression 28xyz has 4 terms.
true


 
7.
Shapes that have the same size and shape are said to be similar.
false

 8.
The points where the sides of a polygon meet are called the vertexes.
true

 
9. A heptagon is a seven-sided polygon.
true (hexagon)

 10.
An acute angle has more than 90° but less than 180°.
true

 
8 0
3 years ago
A parent increases a child’s monthly allowance by 20% each year. If the allowance is $8 per month now, in about how many years w
Mazyrski [523]

6 years

A parent increases a child’s monthly allowance by 20% each year. If the allowance is $8 per month now. This is an exponential function, An exponential function is given by:

Let x be the number of years and y be the allowance. The initial allowance is $8, this means at x = 0, y = 8

Since it increases by 20% each year, i.e 100% + 20% = 1 + 0.2 = 1.2. This means that b = 1.2
Therefore:

To find the number of years will it take to reach $20 per month, we substitute y = 20 and find x

x = 6 years to the nearest year
8 0
3 years ago
The values of a, b and c for the equation 8x2 - 2x = 1 are:
meriva

Answer:

The values are B

a= 8,b = -2 c= -1

7 0
3 years ago
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