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liubo4ka [24]
2 years ago
15

Choose an equation that represents the line passing through the point (2, -4) with a slope of 1/2.

Mathematics
1 answer:
olga55 [171]2 years ago
7 0
You use the formal y-y1=m(x-x1) to solve this and you plug in the #s so 2 and -4 will be x1 and y1 and 1/2 will be plunges is as m
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Simplify (-9p+7)-(-9p+3)
Dennis_Churaev [7]

\tt{}( - 9p + 7) - (9p + 3)

\tt{} - 9p - 7 + 9p + 3

\tt{}7 - 3

\tt{}4

4 0
2 years ago
Help -------------------------
34kurt

Answer:

(A) -3 ≤ x ≤ 1

Step-by-step explanation:

The given function is presented as follows;

h(x) = x² - 1

From the given function, the coefficient of the quadratic term is positive, and therefore, the function is U shaped and has a minimum value, with the slope on the interval to the left of <em>h</em> having a negative rate of change;

The minimum value of h(x) is found as follows;

At the minimum of h(x), h'(x) = d(h(x)/dx = d(x² - 1)/dx = 2·x = 0

∴ x = 0/2 = 0 at the minimum

Therefore, the function is symmetrical about the point where x = 0

The average rate of change over an interval is given by the change in 'y' and x-values over the end-point in the interval, which is the slope of a straight line drawn between the points

The average rate of change will be negative where the y-value of the left boundary of the interval is higher than the y-value of the right boundary of the interval, such that the line formed by joining the endpoints of the interval slope downwards from left to right

The distance from the x-value of left boundary of the interval that would have a negative slope from x = 0 will be more than the distance of the x-value of the right boundary of the interval

Therefore, the interval over which <em>h</em> has a negative rate of change is -3 ≤ x ≤ 1

8 0
3 years ago
If two angles form a linear pair, then they are adjacent angles. true or false?
grigory [225]

Answer:

true

Step-by-step explanation:

5 0
3 years ago
Please translate 2 minus the product of a number and 9 is 20.
ryzh [129]
Hey there! :D

2 minus the product of a number and 9 is 20. 

2-9n=20 <== equation

number=n minus= - (9 and n are next to each other, so that means they are being multiplied) It is equal to 20.

I hope this helps!
~kaikers
8 0
3 years ago
What fraction is equivalent to 12/48
Rashid [163]
The answer is 1/4.....
8 0
3 years ago
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