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Yanka [14]
2 years ago
11

NEED HELP AND RIGHT ANSWER DONT RUSH! REWARD BRAINLIEST

Mathematics
2 answers:
miskamm [114]2 years ago
8 0

Answer:

1.) x = 49 or x = -49

2.) x = -1/2 or x = -5

Naddika [18.5K]2 years ago
6 0
4. y=(x+7)(x-7) so the last one I think idfk I just factored it
5. Y = (2x+1) (x-5)
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Jacob multiplied 30 by 0.25 and got 7.5. Zane said that it was wrong because when you multiply two numbers the product is always
stich3 [128]

Answer:

Jacob, when you multiply a whole number by a decimal you get a number smaller than the whole number you started off with.

Step-by-step explanation:


7 0
3 years ago
What is the solution to log (9x)-log 3 = 3?
xeze [42]

Answer:

The solution x = \frac{e^{3} }{3}

Step-by-step explanation:

<u>Step 1</u>:-

Given log(9 x) -log 3 =3

we have to use formula  log a-log b=log\frac{a}{b}

log(9 x)- log 3 = log(\frac{9 x}{3} ) =3

Again by using formula log a =b

                                       a = e^{b}

so \frac{9 x}{3} =e^{3}

<u>step 2:</u>-

   3 x = e^{3}

  x = \frac{e^{3} }{3}

The solution of given problem is x=\frac{e^3}{3}

5 0
3 years ago
Factor each expression <br> 31
katrin2010 [14]
You can’t factor 31 since it’s a prime number luv
8 0
3 years ago
What three points are solutions to 2x-y =4
DochEvi [55]

Answer:

Attached file

Step-by-step explanation:

5 0
2 years ago
Can someone help please?
vladimir2022 [97]
X=-4             you have to substitue first so you put the equation where the X is and then you would distribute and then add the numbers that have the common exponent                                                   
8 0
3 years ago
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