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Nesterboy [21]
3 years ago
9

Do Now

Mathematics
1 answer:
yuradex [85]3 years ago
6 0

Answer:

(1.5, -2)

Step-by-step explanation:

First subract -3 from 6 to find the total distance of the line segment.

6 - (-3)

Two negatives make a positive

6 + 3

9 units distance

Knowing this, the midpoint is 4 1/2 units away from either end. (1/2 * 9 = 9/2 = 4 1/2 units) Either add 4.5 to -3, or subtract 4.5 from 6 (keep the -2 though, as this line is straight!) to get the coordinates of the midpoint.

-3 + 4.5

-3 + 3 + 1.5

(1.5, -2)

6 - 4.5

6 - 4 - 0.5

2 - 0.5

(1.5, -2)

The midpoint of segment RS is (1.5, -2).

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What value of z makes the equation true? 0.2z -8 =0.4z -7
alukav5142 [94]

Answer:

X= -0.4545

Step-by-step explanation:

YOU HAVE TO SUBTRACT .2Z FROM .4Z WHICH GETS YOU .2 ON THE RIGHT SIDE

THAT WOULD MEAN YOU HAVE TO CLEAR OUT THE SEVEN BY ADDING IT ON BOTH SIDES GETTING -1

THEN YOU WOULD HAVE -1=.2Z

THEN DIVIDE BY .2 GETTING YOU A TOTAL OF -0.4545 WHEN YOU FINISH DIVIDING

4 0
3 years ago
The graph below displays the wrist circumferences and heights of six students in Alyssa’s classroom.
coldgirl [10]

Answer:

Option D(No because the wrist circumference of 16 cm is paired with two heights.


Step-by-step explanation:

In the given graph we have  set of points representing the wrist circumferences and heights of six students in Alyssa’s classroom.

x axis  represents the wrist circumference while  y axis represent the height.

Any relation is called a function if for one value of x we have only one value of y. If the graph passes the vertical line test that is if a vertical line drawn touches the graph at only one point then the graph is called a function.In the given graph for x value x=16 there are two y values 162 and 165.So the graph is not a function.

Among all the options Option D(No because the wrist circumference of 16 cm is paired with two heights.) is the right answer.

5 0
4 years ago
Read 2 more answers
Find four consecutive even integers whose sum is -4
ryzh [129]

Dont use this website

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6 0
3 years ago
I know how to subtract, the result is 3/x+1 but I don't know how to find the excluded numbers, kindly explain that
9966 [12]
You cannot divide by zero, because that is undefined, it approaches infinity, which is not a real value.  Some would say that division by zero is "not allowed" :P  

So in this case the divisor cannot equal zero.

x^2+4x+3=0  There are many methods to factor, I'll complete the square, just for conciseness (and it is good to know how the quadratic formula is derived)

Divide by the leading coefficient, which is just 1 in this case...

Move the constant to the other side, subtract 3 from both sides

x^2+4x=-3  Halve the linear coefficient, square it, then add that value to both sides...(4/2)^2=2^2=4

x^2+4x+4=1  Now the left side is a perfect square...

(x+2)^2=1  Take the square root of both sides

x+2=±√1  subtract 2 from both sides

x=-2±√1

x=-2±1

x=-3 and -1

So if the equation equals zero when x=-3 and -1, it's factors are:

(x+3)(x+1)

So x cannot equal -3 or -1, otherwise your original equation would have division by zero.

6 0
4 years ago
Define reductionism i m so boredd​
Sidana [21]

Step-by-step explanation:

Reductionism is a theory in psychology centered on reducing complex phenomena into their most basic parts. It is often contrasted with holism, which is focused on looking at things as a whole.

The purpose of reductionism is to simplify psychological events and processes by looking at their smallest elements, thus “reducing” something rather complex into its most simple.

4 0
3 years ago
Read 2 more answers
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