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3 years ago

6

How to work out a percentage of a price

1 answer:

Likurg_2 [28]3 years ago

7 0

<span>The rate is usually given as a percent.To find the discount, multiply the rate by the original price.<span>To find the sale price, subtract the discount from original price</span></span>

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Solve for k 5/8(3k+1)-1/4(7k+2)=1

lesya [120]

Answer:

<h2>k = 7</h2>

Step-by-step explanation:

$\dfrac{5}{8}(3k+1)-\dfrac{1}{4}(7k+2)=1\qquad\text{multiply both sides by 8}\\\\8\!\!\!\!\diagup^1\cdot\dfrac{5}{8\!\!\!\!\diagup_1}(3k+1)-8\!\!\!\!\diagup^2\cdot\dfrac{1}{4\!\!\!\!\diagup_1}(7k+2)=8\cdot1\\\\5(3k+1)-2(7k+2)=8\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(5)(3k)+(5)(1)+(-2)(7k)+(-2)(2)=8\\\\15k+5-14k-4=8\qquad\text{combine like terms}\\\\(15k-14k)+(5-4)=8\\\\k+1=8\qquad\text{subtract 1 from both sides}\\\\k=7$

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3 years ago

Write a numerical expression for the verbal expression. the difference of eleven and four times five

Lady_Fox [76]

The answer is 11 - (4*5)

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3 years ago

Write each product using an exponent: example 6x6==

swat32

Since 6x6 equals 36, then 6² would be the exponent because 6² is the same as 6x6

3 0

2 years ago

Plz help..................refresh page before u answer

klio [65]

Your answer is xy-1<span><span>
</span></span><span>=<span><span><span><span>4<span>x2</span></span><span>y2</span></span>−<span><span>4x</span>y/</span></span><span><span>4x</span>y
</span></span></span><span>=<span><span><span><span>4x</span>y</span>−4/</span>4
</span></span><span>=<span><span>xy</span>−<span>1
</span></span></span>Hope this helps!

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3 years ago

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How divide 27 in 624

Fudgin [204]

The answer is 89.14. 624:27

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3 years ago

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