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stepladder [879]
3 years ago
11

What is the value of x?

Mathematics
1 answer:
inn [45]3 years ago
4 0




MN = MA + AN =67.2m

MA + 3.2m = 67.2m

MA = 64m


Similary,

MP = 81.9


As
AB || NP

Then by Thale's theorem,

\frac{MA}{MN}  =  \frac{ MB}{MP }   \\  \\  \frac{64}{67.2}  =  \frac{x}{81.9}   \\   \\ x =  \frac{64}{62.7}  \times 81.9 = 83.59
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Edwin has $2,325.35 he divided put 2/5 into his bank account how much does he have left for his checking account
alexandr402 [8]
Find \ \frac{1}{5} \ of \ \$2,325.35
\\\ 2325.35/5 = 465.07
\\\ 465.07*2 = 930.14
\\\  2325.35- 930.14 = 1395.21
\\\ \boxed{1395.21}
7 0
3 years ago
Help! I really need to pass!
Dmitriy789 [7]

Answer:

\huge{ \boxed{ \bold{ \sf{y =  - 2x + 6}}}}

☥ \tt{Question} :

  • Write the equation of a line in slope - intercept form that has a slope of -2 and passes through the point ( - 1 , 8 ).

☥ \tt{Step  -  \: by \:  -  \: step \: explanation}

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

  • Slope ( m ) = -2
  • Given point = ( - 1 , 8 )

☪ \underline {\underline{ \text{To \: find}}} :

  • Equation of a line in slope - intercept form ( i.e y = mx + c )

Let the point ( -1 , 8 ) be ( x₁ , y₁ )

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

\underline{ \sf{y - y1 = m(x - x1)}}

plug the known values :

↦ \text{y - 8 =  - 2 \{ x - ( - 1) \} }

↦ \text{y - 8 =  - 2(x + 1)}

Distribute -2 through the parentheses :

↦ \text{y - 8 =  - 2x - 2}

Transpose 8 to right hand side and change it's sign

↦ \text{y =  - 2x - 2 + 8}

↦ \boxed{ \text{y =  - 2x + 6}}

And we're done !

Hope I helped!

♡ Have a wonderful day / night ツ

~TheAnimeGirl ♪

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4 0
3 years ago
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Find the angle between the vectors u=i-9j and v=8i+5j
Katyanochek1 [597]

Answer: \cos^{-1} \left(\frac{-37}{\sqrt{7298}} \right) \approx 115.665^{\circ}

Step-by-step explanation:

u \cdot v=(1)(8)+(-9)(5)=-37\\\\|u|=\sqrt{1^{2}+(-9)^{2}}=\sqrt{82}\\\\|v|=\sqrt{8^{2}+5^{2}}=\sqrt{89}\\\\\cos \theta=\frac{-37}{\sqrt{82}\sqrt{89}}\\\\\theta=\cos^{-1} \left(\frac{-37}{\sqrt{82}\sqrt{89}} \right)\\\\\theta=\boxed{\cos^{-1} \left(\frac{-37}{\sqrt{7298}} \right) \approx 115.665^{\circ}}

7 0
2 years ago
PLEASE ANSWER
statuscvo [17]
Answer: B) 2

Detailed Answer:

The degree of a polynomial is the highest power in the polynomial. Here the highest power is 2 hence the degree is 2. Polynomials with the degree 2 are also called quadratic polynomials.
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2 years ago
The square root of a number is between 18 and 19
astraxan [27]
Then the number must be between 18² = 324 and 19² = 361. But is that what you want to know?
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