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hoa [83]
2 years ago
8

Somebody link me a video on how to do proofs

Mathematics
1 answer:
Artyom0805 [142]2 years ago
7 0
Https://youtu.be/fSu1LKnhM5Q
You might be interested in
Pls help …. Need it immediately ….
Leno4ka [110]

The answer is 10.73 years.

Here, the formula we can use is :

\boxed {Children = \frac{Boys+Girls}{2}} (for the average)

Substitute the values mentioned in the question.

10.54 = (10.35 + Girls)/2

21.08 = 10.35 + Girls

Girls = 10.73 years

3 0
2 years ago
Meiling needs 5 dollars 35 cents to buy a ticket to a show. In her wallet, she finds 2 dollar bills, 11 dimes, and 5 pennies. Ho
Llana [10]

Answer:

no she needs $2.20 more

Step-by-step explanation:

2+ 1.10+.05= $3.15

$5.35 - $3.15 = the answer

5 0
2 years ago
N is a positive intiger. Explain why 2n+1 must be an odd number.​
pogonyaev

Answer:

Because the number would be multiplied by an even number, which is 2. If the number (odd or even) is multiplied by two, then the result would be an <em>even number</em>.

Proof:

2(1) = 2

2(6) = 12

2(7) = 14

2(3) = 6

The number would then be added by an odd number, which is 1. If an even number is added with an odd number, then the result would be an odd number.

Proof:

2 + 1 = 3

12 + 1 = 13

14 + 1 = 15

6 + 1 = 7

6 0
3 years ago
Need help on this questionnn
Alona [7]

The second option is the answer

5 0
2 years ago
EXTRA POINTS- find the value of x and the measure of each angle
Ierofanga [76]

Answer:

4.

x=15

angles

5x-24 = 51

3x+6 = 51

5.

x=58

angles

2x = 116

x+6 = 64

Step-by-step explanation:

5 0
2 years ago
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