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antiseptic1488 [7]
3 years ago
10

What is the product of the sum of 20 and 10 and the difference of 20 and 10

Mathematics
2 answers:
DanielleElmas [232]3 years ago
7 0

Answer:

300

Step-by-step explanation:

(20+10)·(20-10)

1. Simplify: 30·10

2. Multiply: 300

Llana [10]3 years ago
5 0

Answer:

300

Step-by-step explanation:

(20+10) • (20-10)

= 30 • 10

= 300

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The Hamptons family has a fish tank holding 10,450 ml of water.The water is leaking at a rate of 270 ml per minute.
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The output would depend on the input so relating this to the question, the input is the time (in minute) and the output is the amount of water left in the tank

We can give a letter 't' for the time, the input, and f(t) for the output

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The original amount of water in the tank is 10450, so this will be the fixed constant.
The amount of water lost per minute is 270 so this will be the term that varies depends on the variable of time, we write this as 270t

The function is given f(t) = 10450 - 270t
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Given, t = 10
f(10) = 10450 - 270(10)
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Mimi needs eleven 18-inch pieces of rhinestone ribbonShe purchased 5 yards of the ribbon shown at the rightWhat is the total amo
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Answer:

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Step-by-step explanation:

We have been given that Mimi needs eleven 18-inch pieces of rhinestone ribbon. She purchased 5 yards of the ribbon. We are asked to find the total amount of ribbon that Mimi needs.

First of all, we will multiply 11 by 18 to find amount of ribbon needed in inches as:

\text{Amount of total ribbon in inches}=11\times 18\text{ inches}

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We know that 1 yard equal to 36 inches. To convert 198 inches into yards, we will divide 198 by 36 as:

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