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hoa [83]
4 years ago
5

Saurav sold two radios for Rs. 1200 and Rs. 1350 respectively. He made a profit of 20% on the first radio and 2% profit on the w

hole. What was the loss percentage on the second radio ?​
Mathematics
1 answer:
Fudgin [204]4 years ago
8 0

Answer:

Step-by-step explanation:

total sold amount= 1200+1350=2550

profit amount on first radio= 1200-(1200/1.2)=1000

purchase amount of 1st radio= Rs. 1000

total purchased amount= (2550/1.02) = Rs. 2500

purchase amount of second radio=  2500 - 1000 = Rs. 1500

loss % on second radio= ((1500-1350)/1500 ) * 100 = 10%

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ASAP PLS Solve this exercise using the fact that the sum of the measures of the three angles of a triangle is 180°.In a​ triangl
Ira Lisetskai [31]

Answer:

80°, 40° and 60°

Step-by-step explanation:

Name the second angle X and the first angle to 2X (because it is twice the measure of angle number two) and the third angle to 20°+X (because it was 20° more than the second angle)

so we will have an equation of

180°=2x + x + (20°+x)

160°=4x

40°=x

so the second angle is 40° as it is represented by just one X

therefore the first angle which is twice the measure is 80° and the third angle which is 20° more is 60°. hope that helps!

8 0
3 years ago
The standard form or the equation of a parabola is y = 7x^2 + 14 +4. What is the vertex form of the equation?
zubka84 [21]
We know that
<span>the vertex form of the equation is
y=a(x-h)</span>²+k

we have 
y = 7x² + 14x +4
y=7(x² + 2x) +4
y=7(x² + 2x+1-1) +4
y=7(x² + 2x+1) +4-7
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the answer is
y=7(x+1)²-3

3 0
4 years ago
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3 years ago
12x + 3y = 9 solve for y​
Vinvika [58]

Answer:

\Longrightarrow: \boxed{\sf{y=3-4x}}

Step-by-step explanation:

To solve for y, you have to isolate it on one side of the equation.

<h3>12x+3y=9</h3>

<u>First, you have to subtract by 12x from both sides.</u>

\Longrightarrow:\sf{12x+3y-12x=9-12x}

<u>Solve.</u>

\Longrightarrow:\sf{3y=9-12x}

<u>Then, you divide by 3 from both sides.</u>

\Longrightarrow:\sf{\dfrac{3y}{3}=\dfrac{9}{3}-\dfrac{12x}{3}}

<u>Solve.</u>

\sf{\dfrac{9}{3}-\dfrac{12x}{3}}

\sf{\dfrac{9-12x}{3}}

Use the distributive property.

\underline{\text{DISTRIBUTIVE PROPERTY:}}

<h3>⇒A(B+C)=AB+AC</h3>

9-12x=3(3-4x)

\sf{\dfrac{3\left(3-4x\right)}{3}}


<u>Divide the numbers from left to right.</u>

3/3=1

3-4x

<u>Then, rewrite the problem down.</u>

\Longrightarrow: \boxed{\sf{y=3-4x}}

  • <u>Therefore, the correct answer is y=3-4x.</u>

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

4 0
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