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3 years ago

How do you write three hundred and twelve in place value

Mathematics

2 answers:

Shtirlitz [24]3 years ago

6 0

You write it like this
312

deff fn [24]3 years ago

6 0

First you organize your columns

Hundreds Tens Ones
300+ 10+ 2
which would be 312 if you add horizontally

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Create an equivalent expression using the drop downs below 4(32 – 4).

GaryK [48]

Answer:

Step-by-step explanation:

It equals 28 just like the problem with parentheses, 7x .

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2 years ago

Solve system using eliminations<br> 2x+4y=22<br> 2x-2y=-8

KATRIN_1 [288]

$2x+4y=22 \\
2x-2y=-8 \ \ \ |\times (-1) \\ \\
2x+4y=22 \\
\underline{-2x+2y=8} \\
2x-2x+4y+2y=22+8 \\
6y=30 \ \ \ |\div 6 \\
y=5 \\ \\
2x-2y=-8 \\
2x-2 \times 5=-8 \\
2x-10=-8 \ \ \ |+10 \\
2x=2 \ \ \ |\div 2 \\
x=1 \\ \\
\boxed{(x,y)=(1,5)}$

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3 years ago

Melanie runs around the track at a rate of 1 mile every 8 minutes. If her running rate remains the same, which method could be u

BabaBlast [244]

Option number 3. this is the answer because she runs a mile in 8 minutes, so in order to find out how much it would take to run 5 miles, you would multiply 5 by 8.

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3 years ago

Given the system of inequalities: 4x – 5y < 1 one-halfy – x < 3 which shows the given inequalities in slope-intercept form

kkurt [141]

The slope- intercept is y> (1-4x) / 5 and y< 2x + 6

<h3 /><h3>What is inequality?</h3>

A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

Given:

4x – 5y < 1 and 1/2y – x < 3

Solving

4x – 5y < 1

-5y < 1- 4x

-y < (1-4x) / 5

y> (1-4x) / 5

Now, the second inequality,

1/2y – x < 3

1/2y< 3+x

y< 2x + 6

Learn more about this concept here:

brainly.com/question/13762480

#SPJ1

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1 year ago

Write an inequality for the graph below

andrew11 [14]

Answer:

0>-7

I'm not really sure last time I did this was last year

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3 years ago