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3 years ago

10 quater to 12 dimes , to 16 nickels

Mathematics

1 answer:

Fittoniya [83]3 years ago

4 0

10 quarters to 12 dimes, to 16 nickels
10(0.25) to 12(0.1), to 16(0.05)
2.5 to 1.2, to 0.8
2.083 to 0.8
1.6664

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A line passes through point A (14,21). A second point on the line has an x-value that is 125% of the x-value of point A and a y-

seropon [69]

Answer:

The equation of the line in point-slope form is $y-21 = - \frac{3}{2}\cdot (x-14)$ .

Step-by-step explanation:

According to the statement, let $A(x,y) = (14,21)$ and $B(x,y) = (1.25\cdot x_{A},0.75\cdot y_{A})$ . The equation of the line in point-slope form is defined by the following formula:

$y-y_{A} = m\cdot (x-x_{A})$ (1)

Where:

$x_{A}$ , $y_{A}$ - Coordinates of the point A, dimensionless.

$m$ - Slope, dimensionless.

$x$ - Independent variable, dimensionless.

$y$ - Dependent variable, dimensionless.

In addition, the slope of the line is defined by:

$m = \frac{y_{B}-y_{A}}{x_{B}-x_{A}}$ (2)

If we know that $x_{A} = 14$ and $y_{A} = 21$ , then the equation of the line in point-slope form is:

$x_{B} = 1.25\cdot (14)$

$x_{B} = 17.5$

$y_{B} = 0.75\cdot (21)$

$y_{B} = 15.75$

From (2):

$m = \frac{15.75-21}{17.5-14}$

$m = -\frac{3}{2}$

By (1):

$y-21 = - \frac{3}{2}\cdot (x-14)$

The equation of the line in point-slope form is $y-21 = - \frac{3}{2}\cdot (x-14)$ .

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3 years ago

PLZ help fast I need this I’ll give brainliest

rodikova [14]

Answer:

1. 2

2.circle

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Step-by-step explanation:

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3 years ago

The circle below is centered at the origin and has a radius of 4. What is its equation?

Alecsey [184]

Answer:

C) x^2 + y^2 = 16

Step-by-step explanation:

<h2><u>Find the equation </u></h2>

since the radius is 4 this means that anywhere from the center of the circle to the edge of the circle is 4. hence :

place the horizontal line of the radius where y = 0 .

this means that if y = 0 , then x = 4

therefore :

x^2 + y^2

4^2 + 0^2

= 16

<h3><u>hence the answer is C ) x^2 + y^2 = 16</u></h3>

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3 years ago

Hi need help PLEASE

Mariulka [41]

The answer is B.

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3 years ago

I exercise for hour an half everyday.how many minutes in total do i exercise for 5 days

LenaWriter [7]

Answer:

450 minutes

Step-by-step explanation:

1 hour and a half = 90 minutes in one day

90 (minutes) × 5 (days) = 450 minutes

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3 years ago