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Oduvanchick [21]
3 years ago
13

Is brainly accurate?

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
7 0

Answer:

the young and older kids that answer these questions are at least 50.9999999% accurate

Ive always used brainly andit got me to 7th grade so id say YESSSS    

Llana [10]3 years ago
7 0

Answer:

depends on question and answer

Step-by-step explanation:

BRAINLIEST & FRIEND

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The square of a number decreased by 15 is twice the number. find the number
jonny [76]

Answer:

x = 5, -3

Step-by-step explanation:

x² - 15 = 2x

x² - 2x - 15 = 0

(x - 5)(x + 3) = 0

6 0
3 years ago
What is have of the number 21?
Colt1911 [192]

Answer:

21

Step-by-step explanation:

you now aswer to that question yes or no

7 0
3 years ago
Square root of 75 plus square root of 3
olya-2409 [2.1K]
Answer:
6√3

Explanation:
Before we begin, remember the following:
\sqrt{a*b} = \sqrt{a}  *  \sqrt{b}
m \sqrt{a} + n \sqrt{a}  = (m+n) \sqrt{a}

Now, for the given:
75 can be written as 25*3
This means that:
\sqrt{75} = \sqrt{25*3}
Applying the above concept, we can find that:
\sqrt{75} = \sqrt{25*3} = \sqrt{25}  *  \sqrt{3}
Now, we know that:
√25 = 5 (we ignored the negative value)

This means that:
√75 = 5√3

Finally, we can compute the needed sum as follows:
√75 + √3 = 5√3 + √3 = 6√3

Hope this helps :)

8 0
3 years ago
Read 2 more answers
Add the following polynomials
Yuri [45]

Answer is x² + 2x + 5

<u>Step-by-step explanation:</u>

Step 1:

Add the two polynomials

⇒ (2x + 7) + (x² - 2) = 2x + 7 + x² - 2 = x² + 2x + 5

3 0
3 years ago
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A number cube is rolled and a marble is selected at random from the bag at he right. Determine each probability.
Alenkasestr [34]

wheres the bag and everything else


5 0
3 years ago
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