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3 years ago

How would you get y by it's self

Mathematics

2 answers:

loris [4]3 years ago

5 0

Answer:

In what problem?

Step-by-step explanation:

Simora [160]3 years ago

3 0

Um I would have to see the full problem to say the answer

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Which expressions are equivalent to 3 (3P+3 - 3P-5) ? choose ALL that apply.

Stels [109]

Answer: The correct one is 3 (1/3p+3-5), p-6, 3(1/3p-2)

Step-by-step explanation: I just did it lol

3 0

3 years ago

Use the quadratic formula to solve x^2 -3x - 5 = 0. Round to two decimal places.

Evgen [1.6K]

Answer:

$\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}$

$x=\frac{3+\sqrt{29}}{2},\:x=\frac{3-\sqrt{29}}{2}$

Step-by-step explanation:

Given the equation

$x^2\:-3x\:-\:5\:=\:0$

solving with the quadratic formula

$\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}$

$x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$\mathrm{For\:}\quad a=1,\:b=-3,\:c=-5$

$x_{1,\:2}=\frac{-\left(-3\right)\pm \sqrt{\left(-3\right)^2-4\cdot \:1\cdot \left(-5\right)}}{2\cdot \:1}$

$x_{1,\:2}=\frac{-\left(-3\right)\pm \sqrt{29}}{2\cdot \:1}$

separating the solutions

$x_1=\frac{-\left(-3\right)+\sqrt{29}}{2\cdot \:1},\:x_2=\frac{-\left(-3\right)-\sqrt{29}}{2\cdot \:1}$

solving

$x=\frac{-\left(-3\right)+\sqrt{29}}{2\cdot \:\:1}$

$=\frac{3+\sqrt{29}}{2\cdot \:1}$

$=\frac{3+\sqrt{29}}{2}$

also solving

$\:x=\frac{-\left(-3\right)-\sqrt{29}}{2\cdot \:\:1}$

$=\frac{3-\sqrt{29}}{2\cdot \:1}$

$=\frac{3-\sqrt{29}}{2}$

$\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}$

$x=\frac{3+\sqrt{29}}{2},\:x=\frac{3-\sqrt{29}}{2}$

7 0

3 years ago

What is the area of the circle below if it is 18 m

DiKsa [7]

Answer:

A≈1017.88 if r=18m or A≈254.47 if r=9

Step-by-step explanation:

A=Pi*r^2, plugging in 18 m or 9 m since lack of info but i assume you are giving 18m total length of circle, gives us answer.

6 0

4 years ago

Probability's first answer gets the brainiest.

Natalka [10]

Step-by-step explanation:

I think it's

-red

-1/24

-5/12

4 0

3 years ago

Mehek14 i would love for you to be the one the help me other ppl u try 2 c:

devlian [24]

Question 1: X = 2/3
Question 2: X = 4
Question 3: X = 48
Question 4: ?
Question 5: X = 1
Question 6: Yes
Question 7: No
Question 8: No
Question 9: Kara (Danvers is always right) < ignore that
Question 10: X = 0.5
Hope this helped!

4 0

3 years ago

Read 2 more answers

How would you get y by it's self​

How would you get y by it's self