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2 years ago

Hey hey :D! Could any help me out with this and maybe explain your answer…? Please x3

Mathematics

2 answers:

USPshnik [31]2 years ago

4 0

I think it’s D bc 9 represents deposite and 40 withdrawal

adell [148]2 years ago

3 0

It would be A 9 deposits of 40 dollars.

If you deposit forty dollars so positive nine times you aren’t going to want to write out 40+40+40….. when you can just say 9x40 once.

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What's the slope of the equation y=-3/5x+4?

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Answer:

the slope is 3/5

Step-by-step explanation:

and if you want the y intercept it's 4

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3 years ago

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Answer:

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2 years ago

13. Tessa argues that the absolute value of -24 is greater than the opposite of -18. Is Tessa correct or not? Justify your think

stiks02 [169]

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Step-by-step explanation:

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2 years ago

The length of a rectangle is 3 centimeters less than five times its width. Its area is 14 square centimeters. Find the dimension

katrin [286]

Step-by-step explanation:

Let breadth =x

Length=5x-3

As we know that in a rectangle

$\boxed{\sf Area=lb}$

Substitute the values

${:}\hookrightarrow\sf x (5x-3)=14$

${:}\hookrightarrow\sf 5x^2-3x=14$

${:}\hookrightarrow\sf 5x^2-3x-14=0$

${:}\hookrightarrow\sf 5x^2-10x+7x-14=0$

${:}\hookrightarrow\sf 5x (x-2)+7 (x-2)=0$

${:}\hookrightarrow\sf (x-2)(5x+7)=0$

${:}\hookrightarrow\sf x-2=0\quad or\quad 5x+7=0$

${:}\hookrightarrow\sf x=2\:or\:x=\dfrac {-7}{5}$

Ignore negative value

${:}\hookrightarrow\sf Breadth =2cm$

${:}\hookrightarrow\sf Length=5 (2)-3=10-3=7cm$

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2 years ago