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2 years ago

9

Harry filled the 75 L gas tank of his pickup truck for $73.88. Stan paid 95¢/L to fill up his truck. Who paid less per litre for

fuel?

1 answer:

Alik [6]2 years ago

8 0

Answer:

stan

Step-by-step explanation:

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FrozenT [24]

Answer:

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2 years ago

Someone please help me with number ten!!

ivann1987 [24]

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Step-by-step explanation:

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2 years ago

What is the value of the expression x^2y–y+xy^2–x for x=4 and y=0.25?

stepan [7]

Answer:

0 (zero)

Step-by-step explanation:

${x}^{2} y - y + x {y}^{2} - x \\ = {4}^{2} \times 0.25 - 0.25 + 4 \times {0.25}^{2} - 4 \\ = 16 \times 0.25 - 0.25 + 4 \times 0.0625- 4 \\ = 4 - 0.25 + 0.25 - 4 \\ = 0 \\ \\ \purple {\boxed{ \bold{ \therefore \: {x}^{2} y - y + x {y}^{2} - x = 0}}}$

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3 years ago

Bill found a book he wanted on sale for $20.80. The original price of the book was $32. Find the discount rate.

Maurinko [17]

Answer:

35% discount

Step-by-step explanation:

We can first find what percent of 32 20.80 is.

This can be shown by using a percent proportion.

$\frac{20.80}{32} = \frac{x}{100}$

We can cross multiply to find the value of $x$ .

$20.80\cdot100=2080\\\\2080\div 32 = 65$

So 20.80 is 65% of 32.

However, this is the percent of the original price. To find the discount, we have to subtract 65 from 100.

$100 - 65 = 35$

So the book was on a 35% discount.

Hope this helped!

3 0

3 years ago

23 POINTS! NINTH GRADE ALGEBRA HOMEWORK PLEASE HELP ASAP!!

DaniilM [7]

$\frac{ - b \sqrt{b {}^{2} - 4 \times a \times b} }{ - 2 \times a}$
$a = {x}^{2} \\ b = x \\ c = 12$
$\frac{ - ( - 2) \sqrt{ { - 2}^{2} - 4 \times 2(x)\times - 12} }{ - 2 \times 2}$

8 0

3 years ago