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2 years ago

Fill in the blank 10:18=________:9

Mathematics

1 answer:

Lynna [10]2 years ago

4 0

Answer:

the answer to the blank is 5

(just in case you're confused) the answer is 5:9

Step-by-step explanation:

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Answer the question provided in the picture below.

FromTheMoon [43]

Answer:

Finding area: multiply length by width (multiply the top length by the side length)

Finding perimeter: Add the lengths of all of the sides together

Step-by-step explanation:

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Shania is making a scale diagram of the badminton court at the community center. She uses a scale of 1 centimeter to 0.5 meter t

Eva8 [605]

The answer is 81.74 meters

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2 years ago

Express 78 billion in scientific notation

ryzh [129]

Answer:

$7.8 * 10^{10}$ is scientific notation of 78 billion

Step-by-step explanation:

For scientific notation , follow the following notation:

$a * 10^{b}$ -------->(equation 1)

Let, $a^{'} = 78 billion$

$a^{'} = 78000000000$

$a^{'} = 78000000000.0$

In standard form

$a = 7.8000000000$

$a = 7.8$

As decimal point move 10 places from right to left, therefore

b = 10

Put the value of 'a' and 'b' in (equation 1)

$7.8 * 10^{10}$ is scientific notation of 78 billion

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2 years ago

What is the 23rd term of the arithmetic sequence where a1 = 8 and a9 = 48?

yKpoI14uk [10]

$a_1=8$
$a_2=a_1+d=8+d$
$a_3=a_2+d=(8+d)+d=8+2d$
$a_4=a_3+d=(8+d)+2d=8+3d$
...
$a_9=8+8d=48\implies d=5$
$a_{10}=8+9d$
...
$a_{23}=8+22d=118$

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2 years ago

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a triangle has perimeter 38cm. a square has perimeter 48cm. two sides of the shapes are put together to make a pentagon. what is

melomori [17]

Answer:

perimeter of Pentagon is 62 CM

perimeter of triangle is equal to 38 CM

perimeter of square is equal to 48 CM

therefore perimeter of one side of square is 48 divided by 4 is equal to 12 CM

perimeter of Pentagon is 62 CM

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