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Molodets [167]
3 years ago
9

What is 2 7/9 times 2 1/5 equal too ?

Mathematics
2 answers:
Ierofanga [76]3 years ago
6 0
First u have 2 change fractions to decimals so.......
7/9=0.77 and 1/5=0.2 so..
2 0.77+2 0.2=4.79
the answer is 4.79
julia-pushkina [17]3 years ago
5 0
Convert to fractions then multiply
25/9 * 11/5 = 275/45
then simplify
275/45  /5= 55/9
now convert to mixed number
6 1/9
you can check my answer at mathway . com
im right and i hope i helped you


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75% of what number is 200
Lerok [7]
We try to find the number that 75% of it is 200 by set the number that we try to find by A
-> A x 75/100 = 200
-> (A x 75)/100 = 200
-> A x 75 = 200 x 100
-> A x 75 = 20,000
->A = 20,000/75
-> A = 266.6666...
So that the number that 75% of it is 200 : 266.6667


4 0
3 years ago
Read 2 more answers
Which is the equation of a line with a slope of -1 and a y-intercept of -6?
nikklg [1K]

Answer:

y= -1x - 6

I really hope this helps you!

3 0
4 years ago
Describe how the graphs of square root and cube root functions are similar and how they are different.
Molodets [167]

Answer:

Just as the square root is a number that, when squared, gives the radicand, the cube root is a number that, when cubed, gives the radicand. Cubing a number is the same as taking it to the third power: 23 is 2 cubed, so the cube root of 23 is 2.

Step-by-step explanation:

there i hope you understood

5 0
3 years ago
Read 2 more answers
Change the fraction w-3/w+5 into an equivalent fraction with the denominator w2 + w – 20.
viktelen [127]
ANSWER

\frac{ {w}^{2}  - 7w + 12}{ {w}^{2}  + w - 20 }

EXPLANATION


The given fraction is,

\frac{w - 3}{w + 5}

To get an equivalent fraction, we multiply both the numerator and the denominator by the same quantity that will give us

w²+w-20

in the denominator.


This implies that,

\frac{w - 3}{w + 5}  =  \frac{(w - 3)(w - 4)}{(w + 5)(w - 4)}

We multiply out the numerators and denominators using the distributive property to obtain,


\frac{w - 3}{w + 5}  =  \frac{ {w}^{2}  - 4w - 3w + 12}{ {w}^{2} - 4w + 5w - 20 }

This simplifies to

\frac{w - 3}{w + 5}  =  \frac{ {w}^{2}  - 7w + 12}{ {w}^{2}  + w - 20 }


5 0
4 years ago
If f(x) = 2(3x) + 1, what is the value of f(2)?
Over [174]
F(2)=2(3*2)+1
f(2)=2(6)+1
=13
answer is 13
4 0
3 years ago
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