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2 years ago

15

The question is on the image

1 answer:

allochka39001 [22]2 years ago

5 0

2th bounce- 80
5th Bounce- (-)200
9th Bounce- (-)560

Every time the ball bounces it loses 40cm because on the first bounce 160cm-120cm=40cm
And the score goes down by 40 every time and since we go into the negatives the negatives sometimes add on top of each other

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insens350 [35]

Answer:

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Step-by-step explanation:

Well you know the total amount paid is 480 dollars and payments are made once a month for three months.

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3 years ago

Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 .

earnstyle [38]

Answer:

The simplified form is,

$\boxed{\boxed{6\sqrt{5}+9\sqrt{7}}}$

Step-by-step explanation:

The given expression is,

$=2\sqrt{20}-3\sqrt{7}+2\sqrt{5}+4\sqrt{63}$

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3 years ago

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I need someone to help me with this

n200080 [17]

Why do I need to add 20 characters?

7 0

3 years ago