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Rom4ik [11]
3 years ago
12

Find the value of

id="TexFormula1" title="3 \frac{1}{5} \div \frac{8}{20} " alt="3 \frac{1}{5} \div \frac{8}{20} " align="absmiddle" class="latex-formula">


​
Mathematics
2 answers:
Nonamiya [84]3 years ago
4 0

Answer:

{ \bf{3 \frac{1}{5} \div \frac{8}{20} }} \\  =  \frac{16}{5}  \div  \frac{8}{20}  \\ { \boxed{ \tt{reciprocal \: of \:  \frac{8}{20}  =  \frac{20}{8} }}} \\  \therefore \:  =  \frac{16}{5}  \times  \frac{20}{8}  \\  =  \frac{320}{40}  \\  { \bf{ answer : 8}} \\  \\ {\underline{\tt {\blue{becker \: jnr}}}}

sesenic [268]3 years ago
4 0
3 1/5 must first converted into 16/5
Then, we can change the division into multiplication by changing 8/20 into it’s reciprocal, 20/8.
This gives us 16/5 * 20/8.
We can then simplify this to 2/1 * 4/1
You then multiply the two fractions to get 8/1 which is equivalent to 8.
You might be interested in
The length of a rectangle is 12 in. and the perimeter is 56 in. Find the width of the rectangle.
yuradex [85]

Answer:

W = 16 in

Step-by-step explanation:

P = 2L + 2W

56 = 2(12) + 2W

56 = 24 + 2W

56-24 = 2W

32 = 2W

W = 32/2

W = 16 in

Best regards

7 0
3 years ago
Sophia uses 18 beads to make a necklace. Three sixths of the beads are purple. How many beads are purple?
joja [24]

Answer:

9 beads are purple

Step-by-step explanation:

we know that

To find out how many  beads are purple, multiply the total beads by the fraction of the beads that are purple

so

18(\frac{3}{6})=9\ beads

therefore

9 beads are purple

Another way to solve the problem is convert the fraction in percentage

we have

\frac{3}{6}=\frac{1}{2}=0.50*100=50\%

so

If the total are 18 beads

50% is 9 beads

therefore

9 beads are purple

8 0
3 years ago
Can you help me with this please ​
krek1111 [17]

Answflasvkdiuihrytiy\ih\j

5 0
3 years ago
Help mehelp mehelp mehelp mehelp mehelp me
Bas_tet [7]

Step-by-step explanation:

use Pythagoras theorem,

{a}^{2}  +  {b}^{2}  =  {c}^{2}

{6}^{2}  +  {8}^{2}  =  {c}^{2} \\ 36 + 64 =  {c}^{2}  \\ c = \sqrt{100 }   \\ c = 10

6 0
2 years ago
Read 2 more answers
Given sin(theta)= 12/13 in quadrant 1 determine sec(theta) PLS HELP ASAP
Genrish500 [490]

Answer:

Step-by-step explanation:

in quadrant 1 cos and sec are positive.

cos(θ)=√(1-sin²θ)=√(1-(12/13)²)=√((169-144)/13²)=5/13

secθ=13/5

8 0
3 years ago
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