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2 years ago

What is the product of the expressions? Assume y ≠0 -1(3x/2y)

Mathematics

1 answer:

erastovalidia [21]2 years ago

7 0

The product of the expressions is -1.5xy⁻¹ or -3x/2y after simplification and y ≠ 0.

<h3>What is an expression?</h3>

It is defined as the combination of constants and variables with mathematical operators.

We have an expression:

$= \rm -1\times\dfrac{3x}{2y}$

Here y ≠ 0 if y = 0 then the expression will be not defined.

After multiplication with a negative quantity.

= -3x/2y or

= -1.5xy⁻¹

Thus, the product of the expressions is -1.5xy⁻¹ or -3x/2y after simplification and y ≠ 0.

Learn more about the expression here:

brainly.com/question/14083225

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2 friends go out to lunch and order 1 large pizza.The friends divided the pizza evenly.Find how much pizza each friend got as a

lions [1.4K]

Does It Say How Much Slices There Are ?

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4 years ago

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15 x sin(30)=?/15 x 15

Delicious77 [7]

Answer:

The exact value of

sin

(

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sin(30) is

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⋅

15⋅12

Combine

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152

The result can be shown in multiple forms.

Exact Form:

152

Decimal Form:

7.5

Mixed Number Form:

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Step-by-step explanation:

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3 years ago

The price of a microwave oven went up from $75 to $90; then went on sale for $57. What is the percent decrease from the original

Arisa [49]

Answer:

<u>The percent decrease of the microwave from the original price to the sale price is 24%</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Original price of a microwave = $ 75

Mark-up price of the microwave = $ 90

Sale price of the microwave = $ 57

2. What is the percent decrease from the original price to the sale price?

For answering this question we will use the Direct Rule of Three this way:

Price Percentage

75 100%

57 x

75x = 57 * 100

75x = 5,700

x = 5,700/75

x = 76

76 = 100 - 24

<u>The percent decrease of the microwave from the original price to the sale price is 24%</u>

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4 years ago

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A particular isotope has a half-life of 74 days. If you start with 1 kilogram of this isotope, how much will remain after 150

shtirl [24]

$\bf \stackrel{150~days}{\textit{Amount for Exponential Decay using Half-Life}} \\\\ A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\dotfill &1\\ t=\textit{elapsed time}\dotfill &150\\ h=\textit{half-life}\dotfill &74 \end{cases} \\\\\\ A=1\left( \frac{1}{2} \right)^{\frac{150}{74}}\implies A=1\left( \frac{1}{2} \right)^{\frac{75}{37}}\implies \boxed{A\approx 0.24536}$

$\bf \stackrel{300~days}{\textit{Amount for Exponential Decay using Half-Life}} \\\\ A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\dotfill &1\\ t=\textit{elapsed time}\dotfill &300\\ h=\textit{half-life}\dotfill &74 \end{cases} \\\\\\ A=1\left( \frac{1}{2} \right)^{\frac{300}{74}}\implies A=1\left( \frac{1}{2} \right)^{\frac{150}{37}}\implies \boxed{A\approx 0.060202}$

6 0

3 years ago

Need Help With this question

Sidana [21]

Answer:

Area of ΔDEF = 12 in²

Step-by-step explanation:

Since they are similar, we have to find the scale factor

Scale Factor = $\frac{Side OfDilated Triangle}{Side of Original Triangle}$

Scale Factor = 4/2

Scale Factor = 2

<u><em>This means The area of ΔABC is 2 times the area of ΔDEF</em></u>

So,

ΔABC = 2(ΔDEF)

Where Area of ΔABC = 24 in²

24 = 2(ΔDEF)

Dividing both sides by 2

=> Area of ΔDEF = 12 in²

4 0

3 years ago