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3 years ago

6

Rosa and her friends are eating out for dinner. The bill was $45.80. They want to leave a 20% tip. How much should they leave fo

r tip?

1 answer:

Romashka-Z-Leto [24]3 years ago

4 0

20% is the number divided by 5. 45.80/5 is 9.16

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Which expression is equivalent to (4 + 6)²?

mel-nik [20]

Answer:

A) -20+48i

Step-by-step explanation:

$(4+6i)^2\\(4+6i)(4+6i)\\16+24i+24i+36i^2\\**i^2=-1*\\16+48i+36i^2(-1)\\16+48i-36\\-20+48i$

5 0

1 year ago

You are trying to recreate flubber because you are obsessed with that movie and you thought it was the coolest. you take 70% sli

german

Let $x$ be the amount (gal) of the 40% slime solution you end up using. You want to end up with 120 gal of the 50% solution, so that you would use $120-x$ gal of the 70% solution.

You want the final solution to consist of 50% slime, or 60 gal of slime. Each gal of the 40% solution contributes 0.4 gal of slime, while each gal of the 70% solution contributes 0.7 gal of slime. This means

$0.4x+0.7(120-x)=0.5\cdot120=60$

$\implies0.4x+84-0.7x=60$

$\implies24=0.3x$

$\implies x=80$

so the answer is B.

8 0

3 years ago

in 3 hambare sunt 168,68 t de grau , in al doilea hambar sunt cu 2,18 t mai mult decat in primul si cu 3,78 t mai putin decat in

Lyrx [107]

Answer:

what is your language dude

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3 years ago

Select the correct answer.

Ierofanga [76]

Answer:

$19.2x+96$ units

Step-by-step explanation:

The perimeter of a square is 4 times the length of one side.

The length of the sides of a square is given by the expression $4.8x+24$

To find the perimeter, we multiply this expression by 4.

$Perimeter=4(4.8x+24)$

We expand to obtain:

$Perimeter=4*4.8x+4*24$

This simplifies to:

$Perimeter=19.2x+96$

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3 years ago

Please answer this i really understand this at all its so hard:((

vlabodo [156]

Step-by-step explanation:

25x ratio

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2 years ago