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Nataliya [291]
2 years ago
7

HELP PLEASEEEE!!!!!! Last one :(

Mathematics
1 answer:
crimeas [40]2 years ago
4 0

Answer:

4

Step-by-step explanation:

RS + ST = RT

=> 3x-8 + x = 2x

4x - 8 = 2x

Subtract 2x from both the sides,

4x - 2x - 8 = 0

2x - 8 = 0

Add 8,

2x = 8

Divide by 2,

x = 8/2 = 4

Length of line segment ST = x = 4

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Standard algorithm 3÷5316
omeli [17]
0.00056433 is the answer
7 0
3 years ago
An angle measures <br> 49°<br> . What is the measure of its complement?
Viktor [21]
Well if t's a right angle then the answer would be 41° but if it's an obtuse angle the it could vary from 91°-179°. For a straight angle, the answer would be 51° and for an acute angle; it could vary from 1°-89° I hope this helped ^^
4 0
2 years ago
Find the 12th term of the geometric sequence 5, -25, 125, ...5,−25,125,...
katovenus [111]

Answer:

  • a_{12}=-244140625

Step-by-step explanation:

Considering the geometric sequence

5,-25,\:125,\:...

a_1=5

As the common ratio 'r' between consecutive terms is constant.

\mathrm{Compute\:the\:ratios\:of\:all\:the\:adjacent\:terms}:\quad \:r=\frac{a_{n+1}}{a_n}

r=\frac{-25}{5}=-5

r=\frac{125}{-25}=-5

The general term of a geometric sequence is given by the formula:  

a_n=a_1\cdot \:r^{n-1}

where a_1 is the initial term and r the common ratio.

Putting n = 12 , r = -5 and a_1=5 in the general term of a geometric sequence to determine the 12th term of the sequence.

a_n=a_1\cdot \:r^{n-1}

a_n=5\left(-5\right)^{n-1}

a_{12}=5\left(-5\right)^{12-1}

      =5\left(-5^{11}\right)

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a

       =-5\cdot \:5^{11}

\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}

        =-5^{1+11}     ∵ 5\cdot \:5^{11}=\:5^{1+11}

        =-244140625

Therefore,

  • a_{12}=-244140625
6 0
3 years ago
plz hurryA 3-column table with 6 rows. Column 1 is labeled Number Rolled with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled Obse
olga55 [171]

Answer:

The complete table is shown below.

Step-by-step explanation:

The data provided is:

Number Rolled       Observed Frequency       Relative frequency

          1                                     10                                \frac{10}{60}=\frac{1}{6}

         2                                     12                                \frac{12}{60}=\frac{1}{5}

         3                                     10                                \frac{10}{60}=\frac{1}{6}

         4                                     10                                \frac{10}{60}=\frac{1}{6}

         5                                      8                                \frac{8}{60}=\frac{2}{15}

         6                                     10                                \frac{10}{60}=\frac{1}{6}

    TOTAL                                60                                     1

The complete table is shown above.

4 0
2 years ago
Read 2 more answers
A=h(b+c) solve for h
Gnesinka [82]

Answer:

a/(b+c)=h

Step-by-step explanation:

a=h(b+c)

a/(b+c)=h

Just one step.

8 0
3 years ago
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