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Cloud [144]
2 years ago
10

Select the correct text in the passage.

Mathematics
1 answer:
Softa [21]2 years ago
4 0

Answer: it's the last

Step-by-step explanation:

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Multiplying a number by 3 is equal to sum of the number and 5.
DerKrebs [107]

Answer:

this makes no sense

Step-by-step explanation:

6 0
2 years ago
I don't know if it's supposed to do with (n-2)180 <br> Also please explain :D
Sindrei [870]

Step-by-step explanation:

sum \:  of \:  interior  \\ \:  angels  \: is  \: 2340 \:  degrees. \\ (n−2)⋅180=2340 \\ 180n - 360=2340  \\ 180n = 2700 \\ n=15 \\  number \:  of \:  sides=15

the polygon is 15 sided.

6 0
3 years ago
A student constructs the image of line m under a
Ratling [72]
The answer is c because it makes the most sense
8 0
3 years ago
55. The sum of an infinite geometric series is five times the value of the first term. What is the common ratio of the series?
myrzilka [38]

Answer:

r = 4/5

Step-by-step explanation:

Formula

Sum of an infinite geometric series = a / (1 - r)

Givens

Sum = 5*a

a = a

r = ?

Solution

5a = a/(1 - r)                   Divide both sides by a

5a/a = a / (a * (1 - r)       The a's on the right cancel

5 = 1 / (1 - r)                    Multiply both sides by 1 - r

5*(1 - r) = 1*(1 - r)/(1 - r)   The 1 - r s on the right cancel

5*(1 - r) = 1                     Remove the brackets.

5 - 5r = 1                        Subtract 5 from both sides

5-5 - 5r = 1 - 5               Combine

-5r = - 4                          Divide by - 5

r = 4/5  

8 0
1 year ago
Can you help me <br> 3(x+2)=2(x+5)
anzhelika [568]

Answer: x = 4

Step-by-step explanation:

3(x+2)=2(x+5)

3x + 6 = 2x + 10

x + 6 = 10

x = 4

7 0
2 years ago
Read 2 more answers
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