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2 years ago

5

The seventh grade class supplied bags of snacks and beverages for the school dance They supplied19 more beverages than bags of s

nacks The dance was supplied with a total of 371 items.

1 answer:

Fittoniya [83]2 years ago

8 0

Answer:I think 417

Step-by-step explanation:

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Which expression has a positive quotient?

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Which expression is equivalent to [(3xy^-5)^3/(x^-2y^2)^-4]^-2?

Mademuasel [1]

Answer:- a.The given expression is equivalent to $\frac{x^{10}y^{14}}{729}$

Given expression:- $[\frac{(3xy^{-5})^3}{(x^{-2}y^2)^{-4}}]^{-2}$

$=[\frac{(3)^3x^3y^{-5\times3}}{x^{-2\times-4}y^{2\times-4}}]^{-2}.........(a^m)^n=a^{mn}$

$=[\frac{27x^3y^{-15}}{x^8y^{-8}}]^{-2}$

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Solve the inequality.<br> 5q + 22-13

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The answer is 5q + 9.

Step-by-step explanation:

1) Collect like terms.

$5q + (22 - 13)$

2) Simplify.

$5q + 9$

<u>hence</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>5q</u><u> </u><u>+</u><u> </u><u>9</u><u>.</u>

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2 years ago

A chemist is using 357 milliliters of a solution of acid and water. If 13.2 % of the solution is acid, how many milliliters of a

Vilka [71]

Answer:

The quantity of acid in the solution is 47.1 ml

Step-by-step explanation:

Given as :

The quantity of solution of acid and water = 357 millimeters

The percentage of acid in the solution = 13.2 %

Let the quantity of acid in the solution = x ml

<u>So, According to question </u>

13.2 % of the total quantity of acid in the solution = x

I.e x = 13.2 % × 357

Or, x = $\frac{13.2}{100}$ × 357

Or, x = 0.132 × 357

∴ x = 47.124 millimeters

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Hence The quantity of acid in the solution is 47.124 ml Answer

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3 years ago