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3 years ago

What is 28,527 in expanded form?

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

8 0

Answer:

20,000 + 500 + 20 + 7= 28,527

kumpel [21]3 years ago

6 0

20,000 + 8,000 + 500 + 20 + 7

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If a dog eat 10 apples and there were 50 apples how much are left

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Step-by-step explanation:

50-40

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1000 masks were distributed equally among a certain number of people. if there were 5 more people more , each would have receive

Grace [21]

Answer:

10+5 =15 thanks for asking

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2 years ago

What is the equation of the horizontal line through (-7,-3)(−7,−3)?

Sholpan [36]

Answer:

y = -3

Step-by-step explanation:

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3 years ago

4x - 3y = -28<br>x + 5y = 39 cant seem to be able to figure the answer for this

Rus_ich [418]

value of x = -1 and value of y=8

Step-by-step explanation:

We need to solve the system of equations:

$4x - 3y = -28\,\,\,(1)\\x + 5y = 39\,\,\,(2)$

Multiply eq(2) with 4 and subtract with eq(1)

$4x-3y=-28\\4x+20y=156\\-\,\,\,-\,\,\,\,\,\,\,\,\,\,\,\,\,\,-\\--------\\-23y=-184\\y=\frac{-184}{-23}\\y=8$

So, value of y=8

Now, finding value of x by putting value of y in equation 2

$x+5y=39\\x+5(8)=39\\x+40=39\\x=39-40\\x=-1$

So, value of x = -1

value of x = -1 and value of y=8

Keywords: System of Equations

Learn more about System of Equations at:

#learnwithBrainly

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3 years ago

What is the total number of digits required in numbering the pages of a book, which has 1,724 pages?

Alex Ar [27]

Answer:

5789 digits

Step-by-step explanation:

Given that the number of pages ares: 1,724

As we know that:

(from 1 - 9) there are 9 one-digit numbers
(from 10- 99) there are 90 two-digit numbers
(from 100 - 999) there are 900 three-digit numbers
(from 1,000 - 1,724) there are 725 four-digit numbers

So the total are:

$= 9(1)+90(2)+900(3)+725(4)\\\\= 9+180+2,700+2,900\\\\= 5,789\ digits$

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