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3 years ago

How do you write 50% as a decimal?

Mathematics

2 answers:

Marina86 [1]3 years ago

7 0

There is an understood decimal behind the 0. move the decimal two places to the left. making it .50.

Sergeu [11.5K]3 years ago

5 0

.50 move the decimal to places to the left

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Your job is to sort and sack marbles for sale. A bag contains 90 marbles, some red and some blue. If there are 60 blue marbles,

brilliants [131]

Answer:

2:1

Step-by-step explanation:

90-60 = 30 red marbles

blue:red → 60:30 → 2:1

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3 years ago

Read 2 more answers

Which expression is equal to 9

FinnZ [79.3K]

I'm not exactly sure what the question is, but I hope this helps!

9x1=9
3+6=9
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3 years ago

What is the equation, in standard form, of a parabola that models the values in the table?

love history [14]

Answer:

$Y=4x^2+3x-6$

Step-by-step explanation:

For the standard form equation to model the values in the table, each value of x in the table should give the matching the y value when substituted into the equation. We will test each equation:

$Y=3x^2+4x-6$ for (-2,4)

$Y=3(-2)^2+4(-2)-6=3(4)+-8-6=12+-8-6=-2\\$

This does not give 4 as the answer and is not a solution.

$Y=4x^2+3x-6$ for (-2,4)

$Y=4(-2)^2+3(-2)-6=4(4)+-6-6=16+-6-6=-4\\$

This does give 4 as the answer and is a possible solution.

$Y=4x^2-3x-6$ for (-2,4)

$Y=4(-2)^2-3(-2)-6=4(4)+6-6=16+6-6=16\\$

This does not give 4 as the answer and is not a solution.

$Y=-4x^2-3x-6$ for (-2,4)

$Y=-4(-2)^2-3(-2)-6=-4(4)+6-6=-16+6-6=-16\\$

This does not give 4 as the answer and is not a solution.

The only possible solution is $Y=4x^2+3x-6$

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

Which fractions are equivalent to twenty-five over forty-five? A. five over nine, fifteen over twenty-eight B. thirty over forty

Reptile [31]

Answer:

The answer is A

Step-by-step explanation:

25/45

= (25÷5)/(45÷5)

= 5/9

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3 years ago