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FinnZ [79.3K]
3 years ago
8

0.08 and 0.4 as fractions in simplest form

Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0
0.08 equals 2/25
0.4 equals 2/5
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For A I somehow got 41.05 but its 2.95cm can someone show me the working and what I did wrong?
777dan777 [17]

Answer:

Step-by-step explanation:

a). tan(75°) = \frac{\text{Opposite side}}{\text{Adjacent side}}

                  = \frac{11}{k}

    k = \frac{11}{\text{tan}(75)}

    k = 2.947

    k = 2.95 cm

b). cos(52°) = \frac{16}{s}

    s = \frac{16}{\text{cos}(52)}

    s = 25.988

    s ≈ 25.99 cm

c). sin(5°) = \frac{\text{Opposite side}}{\text{Hypotenuse}}

               = \frac{16.1}{q}

    q = \frac{16.1}{\text{sin}(5)}

    q = 184.727

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4 0
2 years ago
Find the sum of a finite geometric sequence from n = 1 to n = 6, using the expression −2(5)n − 1.
vazorg [7]
\bf \qquad \qquad \textit{sum of a finite geometric sequence}\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=-2\\
r=5\\
n=6
\end{cases}
\\\\\\
S_6=-2\left( \cfrac{1-5^6}{1-5} \right)
8 0
3 years ago
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In the equation, 3x + 5 < 18, what is the first step in order of operations?
adell [148]

Answer:

Subtract 5 from both sides would be the first step for solving

Step-by-step explanation:

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2 years ago
Write a pair of fractions as a pair of fractions with a common denominator using the fractions 1/2 and 1/3.
Vinvika [58]

Answer:

3/6, 2/6.

Step-by-step explanation:

The lowest common denominator of 2 and 3 is 6.

1/2 = 3/6 and 1/3 = 2/6

So this  pair of fractions is 3/6, 2/6.

4 0
3 years ago
Figure. <br> What are the pairs of congruent angles?
Anna35 [415]

∠QRS and ∠CDE are congruent.

∠RST and ∠DEB are congruent.

∠STQ and ∠EBC are congruent.

∠TQR and ∠BCD are congruent.


You can conclude the above angles are congruent because ∠R and ∠D has the same sign on their angle and so does ∠S and ∠E.

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