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2 years ago

40 POINTS and BRAINLIEST for correct answer

Mathematics

2 answers:

trasher [3.6K]2 years ago

7 0

Answer:

$x^2+23x+49$

Step-by-step explanation:

The formula for the area of a rectangle typically is lw, where l is length and w is width. The area of the big rectangle is $(x+10)(2x+5)=2x^2+25x+50$ units. The area of the square cut out inside is $(x+1)(x+1)=x^2+2x+1$ units. Subtracting the second expression from the first, you get $x^2+23x+49$ . Hope this helps!

Mekhanik [1.2K]2 years ago

7 0

Answer:

x^2+23X+49

Step-by-step explanation:

shown in picture above

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X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?

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Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

$x+y = 152\\8.5x+12y=1656$

From equation 1:

$x = 152-y$

Putting the value of y in equation 2

$8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104$

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

$x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48$

Hence,

The solution of the system of equations is x = 48 and y = 104

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Answer:

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Step-by-step explanation:

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*40 POINTS* and BRAINLIEST for correct answer

40 POINTS and BRAINLIEST for correct answer