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icang [17]
3 years ago
5

Which description best describes the solution to the following system of equations?

Mathematics
2 answers:
matrenka [14]3 years ago
8 0

Answer:the base root becomes 45

Step-by-step explanation:

sladkih [1.3K]3 years ago
4 0

Answer:

a

Step-by-step explanation:

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45 POINTS--A pattern of shaded and unshaded squares is shown below:
r-ruslan [8.4K]

Answer:1) 2n - 1

              2) 99

see in the picture, u can see that the number of  shaded in figures 1 through n will form an evenly spaced sequence with:

u(1) = 1

u(2) = 3

u(3) = 5

u(4) = 7

u(5) = 9

......

=>  The above sequence has: u1 = 1

                                                 d = 2

=> u(n) = 1 + 2(n - 1) = 2n - 1

=> the number of shaded squares in the n figure is 2n - 1

b) the number of shaded squares in the 50th figure is 2.50 - 1 = 99

Step-by-step explanation:

3 0
3 years ago
Mark which ratios are equivalent to 1/2. Mark all that apply. *
solong [7]

Answer:

3/6, 5/10, 50/100 the rest are not held of the denominator

6 0
3 years ago
Label the sides in relation to the identified angle.<br><br> PLEASE HELP ILL GIVE BRAINLY
sesenic [268]
F= hypotenuse
E= opposite
G= adjacent

4 0
4 years ago
The residents of a village want to paint a sign that shows the elevation of their village relative to the sea. Their altimeter s
Gre4nikov [31]

the plus sign (+) means above seal level

 so the sign should say 2100 feet above sea level

3 0
3 years ago
Read 2 more answers
Hello, help me please))
Fed [463]

Answer:

  • 6
  • 9
  • 1/8
  • -10/11

Step-by-step explanation:

You can rewrite the given log expressions to express them in terms of ln(a), ln(b), and ln(c). Then substituting the given values will produce the value of the expression.

Or, you can define the variables 'a', 'b', and 'c' and let your calculator compute these directly.

__

<h3>1.</h3>

  \ln\left(\dfrac{a^4}{b^4c^{-2}}\right)=4\ln(a)-(4\ln(b)-2\ln(c))=4\cdot2-4\cdot3+2\cdot5=\boxed{6}

<h3>2.</h3>

  \ln\left(\sqrt{b^{-2}c^4a^2}\right)=\dfrac{1}{2}\left(-2\ln(b)+4\ln(c)+2\ln(a)\right)=\ln(a)-\ln(b)+2\ln(c)\\\\=2-3+2\cdot5=\boxed{9}

<h3>3.</h3>

  \dfrac{\ln(a^1b^2)}{\ln(bc)^2}=\dfrac{\ln(a)+2\ln(b)}{(\ln(b)+\ln(c))^2}=\dfrac{2+2\cdot3}{(3+5)^2}=\dfrac{8}{64}=\boxed{\dfrac{1}{8}}

<h3>4.</h3>

  \ln(c^{-2})\left(\ln\dfrac{a}{b^{-3}}\right)^{-1}=\dfrac{-2\ln(c)}{\ln(a)-(-3)\ln(b)}=\dfrac{-2(5)}{2+3\cdot3}=\boxed{-\dfrac{10}{11}}

_____

The applicable rules of logarithms are ...

  • ln(ab) = ln(a) +ln(b)
  • ln(a/b) = ln(a) -ln(b)
  • ln(a^b) = b·ln(a)
  • ln(a) = b  ⇔  a = e^b

Of course, a square root is the same as a 1/2 power.

7 0
2 years ago
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