3 years ago

Need this ASAP Please

Mathematics

1 answer:

Naily [24]3 years ago

3 0

Answer:

To be Honest I kinda do know but I can solve the equation for you if that helps

Step-by-step explanation:

5x+15y-6 is the answer

first you will add all of them and then distribute

Remove parentheses

=3x-18+15y+6+2x+6

Group like terms

=3x+2x+15y-18+6+6

Add similar elements

=5x+15y-18+6+6

Finally Add/Subtract the numbers

=5x+15y-6

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In the picture above, ∠3 and ∠7 are ______ <br> angles which are _____.

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Answer:

Corresponding

Equal, Congruent

Step-by-step explanation:

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3 years ago

F(x) = 2x2 – 5x – 20 Find f (-9

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Answer:

Step-by-step explanation:

$f(x) = {2x}^{2} - 5x - 20$

To find f(-9) , substitute the value of x that's -9 into f(x). That is for every x in f (x) replace it with - 9

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1 year ago

Solve for n.<br> n + 1 = 4(n – 8)<br> n=1<br> n=8<br> n=11<br> U n = 16

Alika [10]

$\displaystylen+1=4(n-8) \\n+1=4n-32 \\-3n+33=0 \\-3(n-11)=0 \\n-11=0 \\n=11$

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4 years ago

Read 2 more answers

Lucy cuts 4 square with side length x in. From the corners of a 6 in by 9 in cardboard rectangle. She folds the remaining cardbo

pantera1 [17]

Answer:

$V=4x^3-30x^2+54x$

Step-by-step explanation:

From the question we are told that

Breath of cardboard h=6

Length of cardboard l=9

Let x be the height when fold

Generally the new rectangle is mathematically given as

Breath $h'=(6-2x)$

Length $l'=(9-2x)$

Generally the Volume of tray is mathematically given as

$V=L*B*H$

$V=(9-2x)*6-2x*x$

$V=x(4x^2-30x+54)$

$V=4x^3-30x^2+54x$

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3 years ago