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Hoochie [10]
3 years ago
12

Please, it’s due tonight and I suck at proofs:((

Mathematics
2 answers:
Slav-nsk [51]3 years ago
5 0

Answer:

The question ?

Step-by-step explanation:

masya89 [10]3 years ago
4 0

Answer:

Step-by-step explanation:

Wha-

There no picture

lol

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Daniel incorrectly solved the equations shown. Explain what he did wrong in each situation and then solve both equations correct
FrozenT [24]

Step-by-step explanation:

the scanned description is very hard to understand.

so I think what happened :

16x² - 9 = 16

then the first error :

sqrt(16x²) - sqrt(9) = sqrt(16)

that is wrong, as you cannot split a + or - operation inside a sqrt function into + or - separate sqrt results of the parts.

so, correctly, the only possible transformation involving sqrt for both sides :

sqrt(16x² - 9) = sqrt(16)

but it would be even easier to clean up the various constant numbers with each other.

so,

16x² - 9 = 16

16x² = 25

and now we trashes the square root

sqrt(16x²) = sqrt(25)

4x = 5

x = 5/4 or x = -5/4

and I cannot see or understand for my life what the second equation was, as Daniel did something wrong, so I cannot deduct the original equation out of a supposedly wrong

y³ - 1 = 7

3 0
3 years ago
What is the quotient of 7^2/2x+6 divided by 3x-5/x+3
Reil [10]

\bf \cfrac{7^2}{2x+6}\div \cfrac{3x-5}{x+3}\implies \cfrac{7^2}{2x+6}\cdot \cfrac{x+3}{3x-5}\implies \cfrac{49}{2~~\begin{matrix} (x+3) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}\cdot \cfrac{\begin{matrix} x+3 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} }{3x-5}\implies \cfrac{49}{2(3x-5)}

6 0
4 years ago
Write as an algebraic expression
VashaNatasha [74]

Answer:

6) 12/3

7) 12 + n

8) 10 - w

9. a number t to the power of 2

10. 2 times a number x

11. 2 times 5

12. 4 more than a number n

5 0
2 years ago
Read 2 more answers
Please help asap <3333333
SOVA2 [1]

Answer:

1: 75 degrees

2: 112 degrees

3: 125 degrees

4: 67 degrees

Step-by-step explanation:

4 0
3 years ago
What is 21x^6y^5 divided by 14x^y^9 will make brainliest lot of points on the line too
Fiesta28 [93]

Answer:

\dfrac{3x^4}{2y^4}

Step-by-step explanation:

\dfrac{21x^6y^5}{14x^2y^9}= \\\\\\\dfrac{21}{14}\cdot \dfrac{x^6}{x^2} \cdot \dfrac{y^5}{y^9}= \\\\\\\dfrac{3x^4}{2y^4}

Hope this helps!

5 0
3 years ago
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