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liubo4ka [24]
3 years ago
13

Question 20 please make (x) the subject of the formula

Mathematics
1 answer:
Masja [62]3 years ago
3 0

Answer:

The answer is

\frac{ {x}^{2}  - n}{m}  =  { (\frac{ {a}^{2} }{b}) }^{a}  \\  {x}^{2}  - n =  m{( \frac{ {a}^{2} }{b} })^{a} \\  {x}^{2}   = m {( \frac{ {a}^{2} }{b} )}^{a}  + n \\ x =  \sqrt{m {( \frac{ {a}^{2} }{b}) }^{4}  - n}

Step-by-step explanation:

I am a math teacher. If you need any explanation you in mathematics you can communicate with me on Whats on this number 01557831028

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What is the exact value that is 48% of 1165
Vera_Pavlovna [14]

We know that the percentage amount of any number can be found by first converting the the given percentage to a fraction and then multiplying it by the given number. Thus, in our case, the exact value, that is 48% of 1165 can be calculated as follows:

We know that 48\%=\frac{48}{100}=0.48

Therefore, 48% of 1165 can be re-written as: 0.48\times 1165

This can be calculated as [tex]0.48\times 1165=559.2[/tex

Therefore The exact value that is 48% of 1165 is 559.2


5 0
3 years ago
I need help figuring out how to do this.
MrRa [10]
The answer will be letter "B" you take 450 times it by 4.29
and u get 1,930.50
7 0
3 years ago
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The Brown family bought 9 bags of cookies. Each bag had 16 cookies. They have since eaten 26 of the cookies. How many cookies do
grigory [225]

Answer:

118 cookies

Step-by-step explanation:

1. 9x 16  

2.144-26

And then get 118! Have a nice day YW!!!!!???

3 0
2 years ago
Subtract 7x + 2 from –5x2 – 2x.
Aleks [24]

Answer:

5x^2 + 9x + 2

Step-by-step explanation:

5 0
3 years ago
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A rectangle has a length that is 2 meters more than the width. The area of the rectangle is 288 square meters. Find the dimensio
Rufina [12.5K]

Answer:

L = 18 and w = 16

Step-by-step explanation:

The area of a rectangle is found by A = l*w. Since the length here is 2 more than the width or 2 + w and the width is w, substitute these values and A = 288 to solve for w.

A = l*w\\288 = w(2+w)\\288 = w^2 + 2w

To solve for w, move 288 to the other side by subtraction. Then factor and solve.

w^2 + 2w  - 288 = 0 \\(w +18)(w-16) = 0\\

Set each factor equal to 0 and solve.

w - 16 = 0 so w = 16

w + 18 = 0 so w = -18

Since w is a side length and length/distance cannot be negative, then w = 16 is the width of the rectangle.

This means the length is 16 + 2 = 18.

7 0
3 years ago
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