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dalvyx [7]
3 years ago
11

Need this asap pleaseeeee

Mathematics
1 answer:
Alex787 [66]3 years ago
8 0

Answer:

615.6

Step-by-step explanation:

14 to the power of 2 is 196

196 multiplied by pi is 615.6

Hope this helps!

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A long distance phone call between two cities costs $3.43 for 7 minutes. What is the rate in cents per minute?
Evgesh-ka [11]
3.43 dollars divided by 7 minutes = 0.49 cents
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2 years ago
When Benny’s sister penny is 24 Benny’s age will be 125% of her age. A) How old is Benny?
vlada-n [284]
A) Benny is 30 years old

B) I think Penny isn’t born yet
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3 years ago
What is the area? (Will mark if correct)
larisa [96]

Answer:

81

Step-by-step explanation:

All you have to do is times 9*9=81

7 0
3 years ago
Read 2 more answers
Use a direct proof to show that the product of two odd integers is odd.
yulyashka [42]

Answer:

The proof itself

Step-by-step explanation:

We can define the set of all even numbers as

E = \{ a \in \mathbb{Z} \setminus a = 2.k , k\in \mathbb{N}\}

This is, we can define all even numbers as the set of all the multiples of 2

As for the odd numbers, we can always take every even number and sum one to each one. This is

O = \{ a\in \mathbb{Z} \setminus a=2.k+1,k\in\mathbb{N}_{0}\}

Note that k\in\mathbb{N}_{0}(the set of all natural numbers adding the zero) so that for k=0 then a=1

Now, given 2 odd numbers a and b we can write each one as follows:

a = 2k+1\\b = 2l+1\\k,l \in\mathbb{N}_{0}

And then if we multiply them with each other we obtain:

a.b = (2k+1).(2l+1)\\= 4kl+2k+2l+1\\= 2(2kl+k+l) + 1\\= 2k'+1 \\where\ k'=2kl+k+l

Then we have that a.b is also an odd number as we defined them.

6 0
3 years ago
Question is in the picture Thanks in Advance
djyliett [7]

For this question, we can use the same side interior angle theorem.

Angles 1 and 2 are same side interior angles, which means that they are the interior angles on the same side.

To find the angle measure of the angles, we can plug in the value we have.

A=6x+18

A=6(10)+18

A=60+18

A=78

B=9x+12

B=9(10)+12

B=90+12

B=102

To find if the oars are parallel, we can use the same side interior angle theorem, which states that if the same side interior angles are supplementary, the lines are parallel.

78+102=180

Seeing as the angles are supplementary, the oars are parallel to each other.

Hope this helps.

頑張って!

8 0
3 years ago
Read 2 more answers
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