3 years ago

Write the rate as a unit rate. 44 points in 4 quarters

Mathematics

1 answer:

Margaret [11]3 years ago

3 0

Answer:

44 p points in 4 quarters = llets per Qtr.

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Simplify 0.2(-4x+5)-0.5(3x-11)

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Answer:

$-2.3x + 6.5$

Step-by-step explanation:

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3 years ago

At a high school the average grade for the first semester for all subjects was 79.3. Based on this mean , the principal conclude

svet-max [94.6K]

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That is incorrect. It would be appropriate if the median were 79.3, since the median is the value in the middle (when placing the data in order).

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Help pls Use the substitution method to solve the system of equations. Choose the

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A 40-foot flagpole casts a 25-foot shadow. FInd the shawdow cast by a nearby building 200 feet tall.

zloy xaker [14]

Let s = shadow we are looking for.

40/200 = 25/s

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3 years ago

What is the equation of the line that passes through the points (-2, -3) and (4, -5)

Jobisdone [24]

Answer:

x + 3y + 11 = 0 is the required equation.

Step-by-step explanation:

Here the given points are A( -2,-3) and B(4,-5)

Now, slope of the equation = $\frac{y_2 - y_1}{x_2 - x_1} = \frac{-5 -(-3))}{4-(-2)} = \frac{-2}{6} =-\frac{1}{3}$

Hence, the slope of the equation is m = (-1/3)

Now, by POINT SLOPE FORMULA:

The equation of a line with slope m and point (x0, y0) is given as

(y - y0) = m (x -x0)

So, here the equation of line with (4, -5) is

$y - (-5) = -\frac{1}{3} (x - 4) \implies 3( y +5) = -x + 4$

or, 3y + 15 + x-4 = 0

or, x + 3y + 11 = 0

⇒ x + 3y + 11 = 0 is the required equation.

6 0

3 years ago