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andrew11 [14]
3 years ago
15

Given f(x)=x2+2x−8, find f(−2).

Mathematics
2 answers:
Sloan [31]3 years ago
6 0

Answer:

-8 is the answers for the question

Step-by-step explanation:

please please give me brainlest

Mariulka [41]3 years ago
4 0

Answer:

-8

Step-by-step explanation:

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Givin (2, 4) and 6, 12), what is The slope of the line between these two points?
IgorLugansk [536]

Answer:

m=4 or slope =4

Step-by-step explanation:m=\frac{y2-y1}{x2-x1\\}

so m=\frac{12-4}{6-2} which is the same as 8/2. So all in all the slope is 4.

5 0
3 years ago
One leg of an isosceles right triangle measures 5 inches. Rounded to the nearest tenth, what is the approximate length of
Firlakuza [10]

The length of the hypotenuse = 7.1 inch

Step-by-step explanation:

In an isosceles right angle triangle if one leg is 5 inch, another side along the right angle is 5 in

hypotenuse = \sqrt{side^{2} +base^{2} } ( by Pythagoras theorem)

= \sqrt{5^{2}+5^{2} }

= \sqrt{50}

= 7.07106781

= 7.1 inch (approx)

6 0
3 years ago
On a road trip,drove at a speed of 60 miles per hour for the first two hours. She then increased her speed by 25%. How fast was
love history [14]
This can either be done by multiplying with 125% (1.25) or, by dividing by dividing on 4 and adding a part.

This is the easiest way, tho.

60*1.25=75

The correct answer is 75 mph.

4 0
3 years ago
Read 2 more answers
2 over 5 multiplied by x minus 6 equals negative 16
Gre4nikov [31]

Answer:

2/5 × -6 = -16

is the mathematical expression

5 0
3 years ago
Read 2 more answers
Find the solution of this system of equations. Separate the x- and y- values with a comma. x-2y=-24 and x-y=4
defon
X - 2y = -24
x - y = 4

Isolate x in the first equation by adding 2y to both sides.
x = -24 + 2y  

Now plug in this value of x into the second equation.
(-24 + 2y) - y = 4
Solve. Combine all like terms, 2y - y.
-24 + y = 4
Add 24 to both sides to isolate y.
y = 28

Now plug y back into the first equation to find x.
x - 2(28) = -24
x - 56 = -24
Add 56 to both sides to isolate x.
x = 32

The solution is (32, 28).
6 0
3 years ago
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