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3 years ago

(2a^2b-5b^3+4a^4b^2)-(7b^3+8a^4b^2-7a^2b) I need this simplified and in standard form (Algebra 2)

Mathematics

1 answer:

dangina [55]3 years ago

8 0

Answer:

-4a^4b^2 + 9a^2b -12b^3.

Step-by-step explanation:

(2a^2b-5b^3+4a^4b^2)-(7b^3+8a^4b^2-7a^2b)

= 2a^2b-5b^3+4a^4b^2-7b^3-8a^4b^2+7a^2b

= -4a^4b^2 + 9a^2b -12b^3.

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a shopkeeper purchased a TV at ₹15,000 and gives a discount of 20% on its marked prize and still got a profit of 8% . find the m

Setler79 [48]

$\huge\sf\underline{Answer}$

$\sf\longrightarrow selling \: prize \: = \frac{100 + profit\%}{100} \times cp$

$\sf\longrightarrow \frac{108}{100} \times 15000 = 16200$

Let the marked prize of the TV be x .

$\sf\longrightarrow discount = 20\% \: of \: x \: = \frac{20}{100}x = \frac{x}{5}$

We have SP = MP - Discount

$\sf\longrightarrow 16200 \: = \: x - \frac{x}{5}$

$\sf\longrightarrow 16200 \: = \frac{4x}{5}$

$\sf\longrightarrow x \: = \: 20250$

Hence , The marked prize of the TV is ₹20,250 .

Hope it helps ~

7 0

2 years ago

What value is equivalent to 108-8x(5-2)-60

emmasim [6.3K]

Answer:

-28 + -1 = -29

-14 + -2 = -16

-7 + -4 = -11

-4 + -7 = -11

-2 + -14 = -16

-1 + -28 = -29

1 + 28 = 29

2 + 14 = 16

4 + 7 = 11

7 + 4 = 11

14 + 2 = 16

28 + 1 = 29

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

2) A pair of socks is purchased for $3.00 it is then sold for $4.00 What is the percent of change that

Veronika [31]

Answer:

5% change

Step-by-step explanation:

4 0

3 years ago

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The length (in centimeters) of a typical Pacific halibut t years old is approximately f(t) = 200(1 − 0.956e−0.18t). Suppose a Pa

horsena [70]

Answer:

7.2 years

Step-by-step explanation:

$f(t) =200(1 - 0.956e^{-0.18t})$

where f(t) is the length and t is the number of years old

given the Mike measures 148 cm, we need to find out the age

So we plug in 148 for f(t) and solve for t

$148 =200(1 - 0.956e^{-0.18t})$

divide both sides by 200

$\frac{148}{200} = 1 - 0.956e^{-0.18t}$

Now subtract 1 from both sides

$-0.26= - 0.956e^{-0.18t}$

Divide both sides by -0.956

$\frac{0.26}{0.956} =e^{-0.18t}$

Now take ln on both sides

$\frac{0.26}{0.956} =e^{-0.18t}$

$ln(\frac{0.26}{0.956} )=-0.18tln(e)$

$ln(\frac{0.26}{0.956} )=-0.18t$

divide both sides by -0.18

t=7.2

So 7.2 years

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3 years ago

Jada is training for a marathon. She wants to run a total of 25 miles this week. She will run the same distance each day for 6 d

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Answer:

4 1/6

Step-by-step explanation:

4 x 6 = 24

1/6 x 6 = 6/6 = 1

24 + 1 = 25 :)

8 0

3 years ago