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Oksanka [162]
3 years ago
12

WILL MARK BRAINLIEST IF CORRECT! PLS HELP

Mathematics
1 answer:
Elanso [62]3 years ago
4 0

Answer:

y^{\frac{2}{5}}

Step-by-step explanation:

2 - \frac{4}{5} = \frac{2*5}{1*5}-\frac{4}{5}\\\\ = \frac{10}{5}-\frac{4}{5}\\\\= \frac{6}{5}

\frac{a^{m}}{a^{n}}=a^{m-n}\\\\

\sqrt[3]{\frac{y^{2}}{y^{\frac{4}{5}}}} =\sqrt[3]{y^({2-\frac{4}{5})}} \\\\=\sqrt[3]{y^{\frac{6}{5}}}\\\\=(y^{\frac{6}{5}})^{\frac{1}{3}} \\\\=y^{\frac{6}{5}*\frac{1}{3}}\\\\= y^{\frac{2}{5}}

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Order 34 x 10^2, 1.2 x 10^7, 8.11 x 10^-3, and 435 from least to greatest.
Alex
The answer will be
8.11×10^-3, 435, 34×10^2, and 1.2×10^7. Hope it help!
6 0
3 years ago
Which statement describes a process to solve sqrt b+20 - sqrt b=5?
babunello [35]

Answer:

Step-by-step explanation:

The equation is:

√b+20 - √b = 5

The first step is we will add √b to both sides:

√b+20 -√b +√b = 5 +√b

√b+20 = 5+√b

Now take square at both sides:

(√b+20)^2 = (5+√b)^2

b+20 = 25+10√b+b

Now combine the like terms:

b+20-25-b=10√b

-5 = 10√b

Divide both the terms by 10

-5/10 = 10√b/10

-1/2=√b

Take square at both sides:

(-1/2)^2 = (√b)^2

1/4 = b

So in this type of question we add radical terms to both sides and square both sides twice....

7 0
3 years ago
Lusia tiene $500, decide gastar el 15% de esta cantidad en la compra de un postre para despues de la comida
Morgarella [4.7K]

Answer:

Gasto en postre= $75

Step-by-step explanation:

Dada la siguiente información:

Lusia tiene $500, decide gastar el 15% de esta cantidad en la compra de un postre para despues de la comida.

<u>Para calcular la cantidad a gastar en el postre, debemos usar la siguiente formula:</u>

Gasto en postre= presupuesto total*porcentaje para postre

Gasto en postre= 500*0.15

Gasto en postre= $75

6 0
3 years ago
Twelve more than six times a number is eight times the same number. What is the number?
LekaFEV [45]
Let x = the number


6x + 12 = 8x


Subtract 6x on both sides of equation.

12 = 2x


Divide both sides of equation by 2.

6 = x


The number is 6.
4 0
4 years ago
Read 2 more answers
Sam, Tim, and Heidi each bought an item at the store. Sam bought a magazine for $2.47, Tim bought a race car for $8.99 and Heidi
Viktor [21]
Well just add them up

2.47 + 8.99 + 6.47 = ???

The answer is $17.93
3 0
3 years ago
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