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3 years ago

Help pleaseeeeeeeee

Mathematics

1 answer:

Doss [256]3 years ago

4 0

Answer:9

Step-by-step explanation: im not really sure I kinda just guess and check, so like, 2/3 times 3 is 6/3 which is 2. so 6/2 is 3. 3 times 3 is nine.

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What is the solution of √x-5 = x-11

PIT_PIT [208]

Hey!

To solve x in this equation we must first add five to both sides to get $\sqrt{x}$ on its own.

Original Equation :
$\sqrt{x} - 5 = x - 11$

New Equation {Added 5 to Both Sides} :
$\sqrt{x} =x-6$

Now we must square both sides of the equation.

Old Equation :
$\sqrt{x} =x-6$

New Equation {Changed by Squaring Both Sides} :
$x= x^{2} -12x+36$

And now we must solve the new equation.

Step 1 - Switch sides
$x^{2} -12x+36=x$

Step 2 - Subtract x from both sides
$x^{2} -12x+36-x=x-x$

Step 3 - Simplify
$x^{2} -13x+36=0$

Now we need to solve the rest of the equation using the quadratic formula.

$\frac{-(-13)+ \sqrt{(-13) ^{2}-4*1*36 } }{2*1}$

${13+ \sqrt{(-13)^{2}-4*1*36 }=13+ \sqrt{25}$

$\frac{13+ \sqrt{25}}{2}$

$\sqrt{25}=5$

$\frac{13+5}{2}$

$\frac{18}{2}$

9

$\frac{-(-13)- \sqrt{(-13) ^{2} -4*1*36} }{2*1}$

4

So, this means that in the equation $\sqrt{x} -5=x-11$ , x = 9 and x = 4.

Hope this helps!

- Lindsey Frazier ♥

4 0

2 years ago

Members of the Video Digital club produce short videos. At the end

allsm [11]

Answer:

hggggggggjrhg

Step-by-step explanation:

fhhhhhhhgtrhrehr this is the right answer

5 0

2 years ago

Write (p^2)^3 without exponents

Vilka [71]

Answer:

p^6

Step-by-step explanation:

We are using rule power to a power. x^2^3 = x^(2*3)

p^6

Hope this helps plz hit the crown :D

5 0

2 years ago

What is the constant of proportionality

melisa1 [442]

Step-by-step explanation:

“The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate.”

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2 years ago

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Sheila has a plan to save 45$ a month for 18 months so that she has 810$ to remodel her bathroom. After 13 months Sheila has sav

devlian [24]

B
You start at 510
So 13 months is 560
14 is 610
15 is 660
16 is 710
17 is 760
18 is 810

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2 years ago

Read 2 more answers

Help pleaseeeeeeeee​

Help pleaseeeeeeeee