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tino4ka555 [31]
2 years ago
9

Complete the square to solve the equation below.

Mathematics
2 answers:
slava [35]2 years ago
5 0

*ANSWER:*

I think the answer is Option (B)

Step-by-step explanation:

..........

iogann1982 [59]2 years ago
4 0

Answer:

x = 5 ± \sqrt{44}

Step-by-step explanation:

Given

x² - 10x - 2 = 17 ( add 2 to both sides )

x² - 10x = 19

To complete the square

add ( half the coefficient 0f the x- term )² to both sides

x² + 2(- 5)x + 25 = 19 + 25

(x - 5)² = 44  ( take the square root of both sides )

x - 5 = ± \sqrt{44 ( add 5 to both sides )

x = 5 ± \sqrt{44}

Then solutions are

x = 5 - \sqrt{44} , x = 5 + \sqrt{44}

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The dollar amount of the discount is 440 - 154 = $286.
Therefore the percentage discount for the sale is given by:
\frac{286}{440}\times100=65\ percent
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3 years ago
WILL GIVE Brainelst
Alexeev081 [22]

Step-by-step explanation:

5(m+3)=5m+15

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3 years ago
If VT=2,what is the length of PT?
marusya05 [52]

Step-by-step explanation:

\underline{ \underline{ \text{Given : }}}

  • Perpendicular ( P ) = VT = 2
  • Base ( b ) = PT
  • \theta =  \tt{60 \degree}

\underline{ \underline{ \text{Solution}}} :

\tt{ \tan(60 \degree)  =  \frac{perpendicualar}{base}}

⟶ \tt{ \sqrt{3}  =  \frac{2}{PT}}

⟶ \tt{ \sqrt{3}  \: PT= 2}

⟶ \tt{PT =  \frac{2}{ \sqrt{3}} }

⟶ \tt{PT= \boxed{\tt{ \frac{2 \sqrt{3} }{{3} }}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

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3 years ago
For what values of x will 8+x to the third power be negative
Ganezh [65]

(8+x)^3 < 0

take the cube root

8+x <0

subtract 8

x<-8

Answer x<-8

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3 years ago
In triangle UVW , the measure of angle W=90^ , the measure of angle U=31^ °, and UV = 31 feet. Find the length of VW to the near
Basile [38]

Answer:

Step-by-step explanation:

VW, also know as side X (as shown in image) can be found using the sine. Sin(theta)=opposite/hypotenuse. In this case, theta is 31 degrees and the hypotenuse is 31 feet. Plugging in all known values, we would have sin(31)=x/31. Rearrange the equation and isolate X on one side. Then use a calculator to find the answer. Good luck!

8 0
3 years ago
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