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AveGali [126]
3 years ago
7

In ΔRST, the measure of ∠T=90°, RS = 90 feet, and TR = 76 feet. Find the measure of ∠S to the nearest tenth of a degree.

Mathematics
1 answer:
Rama09 [41]3 years ago
6 0

Answer:

57.6

Step-by-step explanation:

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Solve<br> x2 - 8x + 14 = 2x - 7
BabaBlast [244]

Answer:

x=7, x=3

Step-by-step explanation:

             x^{2} -8x+14=2x-7

x^{2} -8x-2x+14+7=0

            x^{2} -10x+21=0

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

x= \frac{-b\pm \sqrt{b^2-4ac}}{2a}

positive

x=\frac{-\left(-10\right)+\sqrt{\left(-10\right)^2-4\cdot \:1\cdot \:21}}{2\cdot \:1}

x=7

negative

x=\frac{-\left(-10\right)-\sqrt{\left(-10\right)^2-4\cdot \:1\cdot \:21}}{2\cdot \:1}

x=3

7 0
3 years ago
What is the number in standard form?<br><br> 4.9×10^8
belka [17]

In order to get the answer to this question you have to remember that if the exponent is positive you need to move to the right, and if the exponent is negative you got to move to the left.

  • 4.9\times10^8
  • Positive so move to the right 8 times....
  • 4.9\times10^8 = 490000000.
  • = 490000000.

Therefore the answer is "490000000."

Hope this helps!

Nonportrit

6 0
3 years ago
Given the equation of a trend line (y=15x+21), can you find the exact amount of sales given the advertising cost? Explain
alukav5142 [94]

Answer: YOU MUST USE PEMDAS

Step-by-step explanation:

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5 0
3 years ago
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san4es73 [151]

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Step-by-step explanation:

7 0
3 years ago
A new element with atomic number 116 was discovered in 2000. In 2012 it was named livermorium, Lv. Although Lv is radioactive an
allsm [11]

Answer:

7s²7p⁴

Step-by-step explanation:

Livermorium is located in the seventh period and sixteenth column of the periodic table. The noble gas configuration for livermorium is [Rn]7s²5f¹⁴6d¹⁰7p⁴. The valence electrons are the ones in the orbitals with the highest quantum number (coefficient). Remember, there can be up to 8 valence electrons at one time. Therefore, the valence electron configuration is 7s²7p⁴.

6 0
2 years ago
Read 2 more answers
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