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3 years ago

If C.P. = Rs. 480, S.P. =Rs.528 find profit and profit percent

1 answer:

5 0

In this question first you should find profit amount by using formula and you should use profit amount in profit percentage formula then you should calculate it

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What value of x is the solution to the equation −3/2x−3/4=−1/5 ?

Ray Of Light [21]

Answer:

$\Longrightarrow: \boxed{\sf{x=-\dfrac{11}{30} }}$

Step-by-step explanation:

Isolate the term of x from one side of the equation.

<u>First, add by 3/4 from both sides.</u>

$\sf{-\dfrac{3}{2}x-\dfrac{3}{4}+\dfrac{3}{4}=-\dfrac{1}{5}+\dfrac{3}{4} }$

<u>Solve.</u>

⇒ = -3/2x=11/20

<u>Then, you multiply by 2 from both sides.</u>

2(-3/2x)=11*2/20

<u>Solve.</u>

11*2/20

11*2=22

22/20

<u>Common factor of 2.</u>

11/10

-3x=11/10

<u>Divide by -3 from both sides.</u>

$\sf{\dfrac{-3x}{-3}=\dfrac{\dfrac{11}{10}}{-3}}$

<u>Solve.</u>

$\Longrightarrow:\boxed{\sf{x=-\dfrac{11}{30} }}$

<u>Therefore, the correct answer is D. x=-11/30.</u>

I hope this helps! Let me know if you have any questions.

6 0

3 years ago

Which is equivalent to RootIndex 3 StartRoot 8 EndRoot Superscript one-fourth x?

Nat2105 [25]

<h3>Answer: Choice C</h3>

RootIndex 12 StartRoot 8 EndRoot Superscript x

12th root of 8^x = (12th root of 8)^x

$\sqrt[12]{8^{x}} = \left(\sqrt[12]{8}\right)^{x}$

=========================================

Explanation:

The general rule is

$\sqrt[n]{x} = x^{1/n}$

so any nth root is the same as having a fractional exponent 1/n.

Using that rule we can say the cube root of 8 is equivalent to 8^(1/3)

$\sqrt[3]{8} = 8^{1/3}$

-----

Raising this to the power of (1/4)x will have us multiply the exponents of 1/3 and (1/4)x like so

(1/3)*(1/4)x = (1/12)x

In other words,

$\left(8^{1/3}\right)^{(1/4)x} = 8^{(1/3)*(1/4)x}$

$\left(8^{1/3}\right)^{(1/4)x} = 8^{(1/12)x}$

-----

From here, we rewrite the fractional exponent 1/12 as a 12th root. which leads us to this

$8^{(1/12)x} = \sqrt[12]{8^{x}}$

$8^{(1/12)x} = \left(\sqrt[12]{8}\right)^{x}$

4 0

3 years ago

Read 2 more answers

Given that the rectangle above has an area of 48 square units, find m angle klj. round the answer to the nearest hundreth.

slava [35]

Hello,

tan KLJ=6/8=3/4
=> mes angle KLJ=36.8698976558...°≈36.87 °
Answer B.

8 0

3 years ago

Read 2 more answers

Find the sides of a triangle if 2 sides of it are equal, the third side is 1 1/3, and the perimeter is 5 2/5

Kaylis [27]

Both of the sides are 2 and 1/30

7 0

3 years ago

Help please on this math problem: The prices of backpacks at a store are 22, 16, 39, 35, 19, 34, 20, and 26. Find the Mean Absol

Ivanshal [37]

Answer: 7.22
(note: this is a result after rounding. The result before rounding was 7.21875)

========================================================

Explanation:

Given Set of Values = {22, 16, 39, 35, 19, 34, 20, 26}

Add up the values: 22+16+39+35+19+34+20+26 = 211
Divide that sum by 8 as there are 8 values: 211/8 = 26.375

The mean is 26.375

Now subtract the mean from each data value. Apply the absolute value to ensure the difference is never negative

|22 - 26.375| = 4.375
|16 - 26.375| = 10.375
|39 - 26.375| = 12.625
|35 - 26.375| = 8.625
|19 - 26.375| = 7.375
|34 - 26.375| = 7.625
|20 - 26.375| = 6.375
|26 - 26.375| = 0.375

Add up those results
4.375+10.375+12.625+8.625+7.375+7.625+6.375+0.375 = 57.75
Then divide by 8
57.75/8 = 7.21875

The mean absolute deviation of the prices is 7.21875
Rounded to two decimal places, it is 7.22
Since we're talking about money, it makes sense to round to the nearest penny.

4 0

4 years ago

If C.P. = Rs. 480, S.P. =Rs.528 find profit and profit percent​

If C.P. = Rs. 480, S.P. =Rs.528 find profit and profit percent