How many different ways can you add two odd numbers to get a sum of 20 and add examples

1 answer:

7 0

We can add only odd numbers. Let's assume that we're dealing ONLY with positive numbers. Which two odd numbers add to 20? 1+19 qualifies.
So do 3+17, 5+15, 7+13, 9+11.

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Two phone companies one is 11/+.16/ min And another is 20+.11/min How many minutes will make both equal amounts

Ilia_Sergeevich [38]

Answer:

Company one charges $11 + $0.16 per min.

Then if you talk for x minutes, the cost will be:

C₁(x) = $11 + ($0.16 per min)*x

For company two, the prize is $20 + $0.11 per min, and if yo talk for x minutes, the cost will be:

C₂(x) = $20 + ($0.11 per min)*x

Now we want to find the value of x, the number of minutes, such that the cost is the same with both companies.

C₁(x) = C₂(x)

$11 + ($0.16 per min)*x = $20 + ($0.11 per min)*x

($0.16 per min)*x - ($0.11 per min)*x = $20 - $11

($0.05 per min)*x = $9

x = $9/($0.05 per min) = 180 mins

If you speak for 180 minutes, the cost is the same in both companies.

5 0

3 years ago

PLEASE HELP SUPER EASY 10 POINTS DUE TOMARROW

Volgvan

It would be about 16.67 for a regular price of the Vans?

5 0

3 years ago

Real answers only please, i provided a picture. (no links please)

Yuliya22 [10]

Answer:

Learn little girl

Step-by-step explanation:

5 0

3 years ago

This circle, with center point Q, has a radius of 10 centimeters. The length of the minor arc NP is 20.42 centimeters. To the ne

maxonik [38]

The complete question in the attached figure

we know that
[the length of a circumference]=2*pi*r
for r=10 cm
[the length of a circumference]=2*pi*10-----> 62.8 cm

if 360° ( full circle) has a length of---------> 62.8 cm
x--------------------------------------> 20.42 cm
X=20.42*360/62.8-----> x+117.05°-------> x=117°

the answer is
<span>the value of x is 117</span>°

6 0

4 years ago

Divide 25/1658 To find the quotient, start by dividing _<br> into _.

ololo11 [35]

Answer:

To find the quotient, you must start by dividing 25 into 1,658.

Step-by-step explanation:

6 0

3 years ago