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3 years ago

What is 9 + 10 ? I’m so confused. People keep telling me it’s 21 but it doesn’t seem right.

Mathematics

1 answer:

juin [17]3 years ago

8 0

Answer:

It's 21.

Step-by-step explanation:

The factors of 9 are 3 and 3. (You need to multiply 3x3 to get 9.) The factors of 10 are 5 and 2. But, if you multiply 3 by 5, which gives you 15, and multiply the other 3 by 2, which gives you 6, and then add 6 to 15, you get 21.

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Step-by-step explanation:

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2 years ago

The graph of f(x) is shown. Estimate f(-3). f(-3) = 1

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Step-by-step explanation:

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2 years ago

What is the area of this? Please help

Slav-nsk [51]

Answer:

364 cm²

Step-by-step explanation:

Area of the figure :

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1 year ago

Read 2 more answers

Find the length of side x in the simplest radical form with a rational denominator

barxatty [35]

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3 0

2 years ago

Read 2 more answers

PLEASE HELP

liq [111]

--------------------------------------------
Question
--------------------------------------------
$3 \times 1000 + 6 \times 100 + 1 \times 10 + 2 \times \frac{1}{10} + 1 \times \frac{1}{1,000}$

--------------------------------------------
Convert the fractions to decimals
--------------------------------------------
$3 \times 1000 + 6 \times 100 + 1 \times 10 + 2 \times 0.1 + 1 \times 0.001$

--------------------------------------------
Evaluate each term
--------------------------------------------
$3000 + 600 + 10 + 0.2 + 0.001$

--------------------------------------------
Add them up
--------------------------------------------
$3610.201$

--------------------------------------------
Answer : 3610.201
--------------------------------------------

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2 years ago