3 years ago

Subtract the following fractions. (Remember, the denominator always remains the same.)

Mathematics

1 answer:

Katena32 [7]3 years ago

7 0

The answer will be 10/18

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31 days

Step-by-step explanation:

125 kg/1 day = 3875 kg/x days

x(125) = 3875

x = 3875/125

x = 31 days

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Margaret [11]

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Solve 8x-3y=14 for y

Akimi4 [234]

Answer:

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Step-by-step explanation:

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The vertices of ΔABC are A(−3,4), B(−2,4), and C(−5,2). If ΔABC is reflected across the line y=−2 to produce the image ΔA'B'C

Mumz [18]

The coordinates of vertex B' is $P'(x,y) = (-2, -8)$ .

<h3>How to calculate the coordinate of point by reflection</h3>

A point if reflected across the line $y = -2$ by means of the following formula:

$P'(x,y) = P(x,y)+2\cdot [(x_{P}, -2)-P(x,y)]$ (1)

Where:

$P(x,y)$ - Original point
$x_{P}$ - x-Coordinate of point P
$P'(x,y)$ - Resulting point

If we know that $P(x,y) = (-2,4)$ and $x_{P} = -2$ , then the coordinates of the vertex is:

$P'(x,y) = (-2, 4) + 2\cdot [(-2,-2)-(-2,4)]$

$P'(x,y) = (-2, 4) +2\cdot (0, -6)$

$P'(x,y) = (-2, 4) + (0,-12)$

$P'(x,y) = (-2, -8)$

The coordinates of vertex B' is $P'(x,y) = (-2, -8)$ . $\blacksquare$

To learn more on reflections, we kindly invite to check this verified question: brainly.com/question/1878272

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2 years ago

tommy is buying used books for school. the price of the books is $180. he uses the 30%-off student discount and there is a 4% sa

zaharov [31]

Answer:

131.04

Step-by-step explanation:

0.7×180=126

1.04×126=131.04

7 0

3 years ago