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Ilia_Sergeevich [38]

3 years ago

10

Peter earns $1.50 for every cup of lemonade he sells. Write an equation that shows the relationship between the number of cups s

old x and the earnings y.

1 answer:

Tresset [83]3 years ago

4 0

1.50x=y is the equation. He gets 1.50 for every cup so it's 1.50 times the amount of cups he sells

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I need help with this problem

Soloha48 [4]

Answer:

$3.\ \dfrac{3x}{11x}, \dfrac{6}{22}, \dfrac{9}{33},\dfrac{12}{44}$

$4. -18\\5.\ 400$

Step-by-step explanation:

<u>Solution 3:</u>

Equivalent fractions to are to $\frac{3}{11}$ be found out.

<u>Method: </u> By Multiplying both the denominator and numerator with the same number, we can easily find equivalent fractions.

1. Multiply with 2:

$\dfrac{3 \times 2}{11 \times 2}\\\Rightarrow \dfrac{6}{22}$

2. Multiply with 3:

$\dfrac{3 \times 3}{11 \times 3}\\\Rightarrow \dfrac{9}{33}$

3. Multiply with 4:

$\dfrac{3 \times 4}{11 \times 4}\\\Rightarrow \dfrac{12}{44}$

If we try to write in variable form, it can be written as:

$\dfrac{3x}{11x}$

where x is any number.

---------------

<u>Solution 4:</u>

$(2x-10)$ when $x=-4$

$2 \times (-4) -10\\\Rightarrow -8 -10\\\Rightarrow -18$

------------

<u>Solution 5:</u>

$(10a)^2, a=-2\\\Rightarrow \{10 \times (-2)\}^2\\\Rightarrow (-20)^2\\\Rightarrow 400$

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2 years ago

Represent the following expression algebredically: a number, x, decreased by 5

PIT_PIT [208]

X-5 is your answer. hope that helps

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Elena packed 48 cubes into this box.Each cube has edges that are 1 centimeter.How many layers of cubes did Elena make

solniwko [45]

Elena packed 48 cubes.
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

You have to multiply 12.5 by 100

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