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4 years ago

What is 2/10 in simplest form

Mathematics

2 answers:

ira [324]4 years ago

4 0

$\dfrac {2}{10}=\dfrac{2:2}{10:2}=\dfrac{1}{5}$

WINSTONCH [101]4 years ago

3 0

1/5the way I get the answer i just divide the numbers in half until I can't divide anymore. There are simpler was I just prefer to do it that way.

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Samantha bought 26 total fish. Each goldfish cost $3 and each guppy costs $4. She spent $86 total. How many guppies did she buy?

Alex787 [66]

Answer:

goldfish is 15 and guppies is 11

Step-by-step explanation:

Given data

let the number of goldfish be x

and the number of guppies be y

x+y= 25----------1

and

3x+4y= 86-------2

solve 1 and 2

x+y= 25

3x+4y= 86

from 1

x= 25-y

put this in 2

3(25-y)+4y= 86

75-3y+4y= 86

75+y= 86

y= 86-75

y=11

put y= 11 in 1

x+11= 26

x= 26-11

x= 15

Hence goldfish is 15 and guppies is 11

5 0

3 years ago

Evaluate the expression:<br><br> 2/3-1/4+(-5/6)

Aliun [14]

Answer:

$\\ \frac{2}{3} - \frac{1}{4} + \frac{( - 5)}{6}$

$\\ = \frac{2}{3} - \frac{1}{4} - \frac{5}{6}$

$\\ = \frac{8 - 3 - 10}{12}$

$\\ = \frac{8 - 13}{12}$

$\\ = \frac{ - 5}{12}$

3 0

3 years ago

Find the area of this figure. Use 3.14 for π. Write your answer as a decimal.

vovangra [49]

Answer:

are=πr²

3.14*8*8

=200.96 inches²

Step-by-step explanation:

5 0

3 years ago

For what value(s) of k is the linear system consistent? (Enter your answers as a comma-separated list.)

AleksAgata [21]

Answer:

Step-by-step explanation:

Given

$6x_1-9x_2=8$

$9x_1+kx_2=-1$

The given system is $AX=B$ can be represented by

$\begin{bmatrix}6 &-9 \\ 9 & k\end{bmatrix}\begin{bmatrix}x_1\\ x_2\end{bmatrix}=\begin{bmatrix}8\\ -1\end{bmatrix}$

The given system is consistent when determinant of A is not equal to zero

$|A|$

$|A|=6k-(-81)=6k+81$

$k\neq \frac{-27}{2}$

i.e. system is consistent for all value of k except $k=\frac{-27}{2}$

$R-\frac{-27}{2}$

4 0

4 years ago

Read 2 more answers

Simplify ( -2/3) divided by (-7/4)

marysya [2.9K]

Answer:

The answer is C. 8/21

Step-by-step explanation:

3 0

3 years ago