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3 years ago

15% of what amount is 6?

Mathematics

2 answers:

Semmy [17]3 years ago

7 0

I hope this helps.. your answer is 40.. I also showed how to check your answer

Nadusha1986 [10]3 years ago

6 0

Hey there!

0.9 is 15% of 6

work:
0.15 x 6 = 0.9

Hope this helps!

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Find the product of (2x − 5y)2

pishuonlain [190]

Answer:

(2x - 5y)²

(2x - 5y)(2x - 5y)

2x(2x - 5y) - 5y(2x - 5y)

2x(2x) - 2x(5y) - 5y(2x) + 5y(5y)

4x² - 10xy - 10xy + 25y²

4x² - 20y + 25y²

The answer is B.

Step-by-step explanation:

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3 years ago

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Describe the information of the graph of the parent function f(x)=x that results in the graph of g(x). g(x)=3x

romanna [79]

The new slope is 3, but the y-intercept doesn't change.

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3 years ago

Write down in terms of n an expression for the nth term of the following sequences 9 11 13 15 17

zvonat [6]

Answer:

2n+7

Step-by-step explanation:

+2 +2 +2 +2

9 11 13 15 17 so we start with 2n

2 ➡ 9 = +7 6 ➡ 13 = +7

4 ➡ 11 = +7 8 ➡ 15 = +7

So the answer is 2n + 7

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3 years ago

Five years ago, Victor was twice as old as his daughter Anika. In 10 years, the sum of their ages will equal 90. Find their ages

frozen [14]

Answer: 45 and 25

Step-by-step explanation:

Given

Five years ago victor was twice as old as his daughter

Suppose the current age of victor and his daughter are x and y

For five years ago

$\Rightarrow (y-5)=2(x-5)\\\Rightarrow y-5=2x-10\\\Rightarrow y=2x-5\\\Rightarrow 2x-y=5\quad \ldots(i)$

In 10 years sum of their ages is 90

$\Rightarrow (y+10)+(x+10)=90\\\Rightarrow x+y=70\quad \ldots(ii)$

On solving (i) and (ii) we get

$\Rightarrow x=25,y=45$

So, the current age of victor is 45 and his daughter is 25

8 0

2 years ago

Simplify the expression (2x − 9)(x + 6)

kenny6666 [7]

<u>Answer: </u>

Simplified form of given expression (2x – 9 )( x + 6 ) is $2 \mathrm{x}^{2}+3 \mathrm{x}-54$

<u> Solution: </u>

We need to simplify following expression.

(2x – 9) ( x + 6)

For sake of simplicity lets first assume 2x – 9 = A

So expression becomes A(x+6)

= Ax + A6

Now replace A by 2x – 9

= (2x – 9 ) x + (2x – 9 ) 6

$=2 \mathrm{x}^{2}-9 \mathrm{x}+12 \mathrm{x}-54$

On simplification, we get

$=2 \mathrm{x}^{2}+3 \mathrm{x}-54$

Hence simplified form of given expression (2x – 9 )( x + 6 ) is $= 2 \mathrm{x}^{2}+3 \mathrm{x}-54$

7 0

3 years ago