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3 years ago

What number equivalent to 145

Mathematics

2 answers:

lakkis [162]3 years ago

7 0

1.45% is equivalent

lozanna [386]3 years ago

6 0

I think you mean 145%....
But the answer is 1.45 because 100% is 1 and so it has 45% so its 1.45.
Hope this helps! :)

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Which equations are true?<br> Choose All Answers That Apply (10 Points)

Nataly [62]

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Two negatives is a positive, and you want your outcome to be a positive x, therefore b is the correct answer.

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What is the sector with a central angle of 185 degrees and a diameter of 6.4 m? Round to the nearest tenth.

mr_godi [17]

The area of a sector is
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How many solutions does the system have? y = -2x-4 \\\\ y = 3x+3

lakkis [162]

Answer:

The system has one solution.

Step-by-step explanation:

We have two equations:

y = -2x - 4

y = 3x + 3

Equalling them:

y = y

-2x - 4 = 3x + 3

5x = -7

$x = -\frac{7}{5}$

And

$y = 3x + 3 = 3(-\frac{7}{5}) + 3 = \frac{-21}{5} + 3 = \frac{-21}{5} + \frac{15}{5} = -\frac{6}{5}$

Replacing in the other equation we should get the same result.

$y = -2x - 4 = -2(-\frac{7}{5}) - 4 = \frac{14}[5} - 4 = \frac{14}{4} - \frac{20}{5} = -\frac{6}{5}$

So the system has one solution.

3 0

3 years ago

PLEASE HELP PLEASEEEE!!! Number 3

deff fn [24]

The equation for this is a^2+b^2=c^2 so your equation would be 7^2+20^2=X
So you square the 7 and the 20 then take the square root of X and you get
X=21.19
:)

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3 years ago

lutik1710 [3]

Answer:

Step-by-step explanation:

You'll divide the tip by the sub-total and multiply by 100

7/52.99 *(100) =13.21%

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3 years ago