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Triss [41]
4 years ago
5

What are the "tools" we use to write proofs?

Mathematics
1 answer:
ziro4ka [17]4 years ago
7 0
Theorems can be used to write proofs i think.<span />
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What are the solutions to the following equation? x^2+8x+15=0
zubka84 [21]

Answer: It can be either one.

x=−3

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x=−5

8 0
3 years ago
The room numbers of two adjacent classrooms are two consecutive even integers. If their sum is 654, find the classroom numbers.
IRINA_888 [86]

Answer: It is 326 and 328.


Step-by-step explanation: We know that the numbers must be even and consecutive, so we can figure this problem out by trial and error. Divide 654 by two, and then keep going until you get the proper answer.

(Hope this helps :) )


4 0
3 years ago
Can you please help with this question? (for 30 points)
Arisa [49]
The answer is 2 drinks left
7 0
4 years ago
This Question: 1 pt
guapka [62]

Answer:

9x² - 7x - 9

Step-by-step explanation:

Two sides

(6x + 7) + 8x = 14x + 7

total perimeter - two sides = Third side

9x² + 7x - 2

-      (14x + 7)

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9x² - 7x - 9

5 0
3 years ago
A student received an 82% on an exam. If there were 50 questions on the exam, which ratio would show the number of questions ans
solmaris [256]
Hello!

To solve this we have to find what 82% of 50 is

So we do 50 * 0.82 where 0.82 is 82% as a decimal.

This gives us 41

So the answer is D

Hope this helps!
8 0
3 years ago
Read 2 more answers
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