3 years ago

Can I have these questions answered,

Mathematics

1 answer:

weeeeeb [17]3 years ago

3 0

1. 37.0952380952 or if rounded 38
2. 49.05 or if rounded 49.1 or 49
3. 2.84375 or if rounded 2.8 or 3

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You earn $32 for washing 8 cars. How much do you earn for washing 7 cars?

Natalija [7]

Answer:

$28

Step-by-step explanation:

First, you would want to find the amount of money that you earn per car. So, for each car you make $4. Then, multiply 7 times 4 and get 28.

$28 is the answer!

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3 years ago

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A) Factorise 2x² - 9x - 5 (x-5)(2x+1) (2) b) Hence, simplify fully 2x^2- 9x - 5 3x – 15x (2)

Lyrx [107]

Answer:

Step-by-step explanation:

b).

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3 years ago

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4 years ago

sixteen students went on a week long hiking trip they brought with them 320 cookies what is the ratio of cookies to students?

Mandarinka [93]

320: 16
simplify by dividing both sides by 16
20:1

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4 years ago

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there is a 20% discount with a set of tires in normally sells for $368. How much will be tires cost after the discount?

ICE Princess25 [194]

Same as before, if we take 368 to be the 100%, how much is 20% off that?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
368&100\\
d&20
\end{array}\implies \cfrac{368}{d}=\cfrac{100}{20}\implies \cfrac{368\cdot 20}{100}=d$

so, the discount is that much, thus, the discounted price is then 368 - d.

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3 years ago