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3 years ago

The end points EF are E(xe, ye) and F(xf, yf). What are the coordinates of the midpoint EF?

Mathematics

1 answer:

patriot [66]3 years ago

6 0

(xE+yE/2) + (xF+yF/2)

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HELP ME PLS I DONT HAVE TIME

chubhunter [2.5K]

Answer:

A is true.......................b is false....................and c is false

Step-by-step explanation:

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2 years ago

Which probability distribution table corresponds with this frequency distribution table

nlexa [21]

Answer:

$\begin{array}{cccccc}x&1&2&3&4&5\\f&0.2&0.3&0.05&0.2&0.25\end{array}$

Step-by-step explanation:

First find the sum

$\sum f=4+6+1+4+5=20.$

Now, find the probabilities:

$Pr(x=1)=\dfrac{4}{20}=\dfrac{1}{5}=0.2;$
$Pr(x=2)=\dfrac{6}{20}=\dfrac{3}{10}=0.3;$
$Pr(x=3)=\dfrac{1}{20}=0.05;$
$Pr(x=4)=\dfrac{4}{20}=\dfrac{1}{5}=0.2;$
$Pr(x=5)=\dfrac{5}{20}=\dfrac{1}{4}=0.25.$

Hence, the frequency distribution table is

$\begin{array}{cccccc}x&1&2&3&4&5\\f&0.2&0.3&0.05&0.2&0.25\end{array}$

4 0

2 years ago

What is the coefficient of y in 2-5y÷2

Setler [38]

Answer:

-5/2 because there is -5y/2 but we have to take coefficient only so -5/2

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3 years ago

If f(x) = 3x^2 +1 and g(x) = 1-x, what is the value of (f-g)(2)

aleksley [76]

Answer:

Step-by-step explanation:

Let's find (f-g)(x)

$3x^{2} + 1 - (1-x)\\3x^{2} + 1 -1 + x\\3x^{2} + x$

Now let's plug in x=2, so to find (f-g)(2)

$3(2)^{2} + 2\\12 + 2 = 14$

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3 years ago

Match the graph with its equation.

victus00 [196]

Answer:

Step-by-step explanation:

This is a y=x plot/line shifted by 7 units.

This can also be verified plugging in the values of x=0,y=-7 and x=7,y=0. The only equation which satisfies these points in Equation B. These points have been chosen as they're the intercepts of this plot.

6 0

3 years ago

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