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Tcecarenko [31]
3 years ago
6

I need helpp its my final exam​

Mathematics
2 answers:
Mashcka [7]3 years ago
7 0

Answer:

hey i believe that your answer is A. without having to do the math if you look at it you can tell that its bigger then options B and C so those are not it.  and  it is to small to be D. so with that said your answer is A have a nice dy and good luck!

Step-by-step explanation:

dem82 [27]3 years ago
7 0
This is the exterior angle theorem meaning the two angles in the triangle is equal to the outer angle of the angle. So you would set your equation to (3x+4) + 58 = 12+8x

Solve for x then plug the x back into the 12+8x equation to get your angle
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Delvig [45]

Answer: ( -1.5)

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3 years ago
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If A=0 and E=1, what is the value of C
daser333 [38]

Answer:

C=2

Step-by-step explanation:

(26/3 so remainder =2) place of C in alphabet = 3


7 0
3 years ago
Uh please answer correctly I’ll mark you brainlist after I see if it’s correct!
zepelin [54]

Answer:

The equation for the volume of a rectangular prism is V=whl or width x height x length. The width is 7/2, the height is 7/5, and the length is 5. Multiply all of these numbers to get 49/2 or 24.5.

6 0
3 years ago
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Find the point on the line y = 2x + 3 that is closest to the origin.
ch4aika [34]
1)We have to make a line perpendicular to y=2x+3, passing through the point (0,0).

y=2x+3   
m=solpe=2

The slope of the line perpedicular to y=2x+3 is m´
m´=-1/m
m´=-1/2

Point slope form:
y-y₀=m(x-x₀)
(0,0)
m=-1/2

y-0=-1/2(x-0)
y=-x/2

Therefore, the line perpendicular to y=2x+3 is y=-x/2.

2)The point on the line y=2x+3 tha is closest to the origin is the point of intersection of the two lines.

y=2x+3
y=-x/2

We can solve this system of equations by equalization method.
2x+3=-x/2
least common multiple=2
4x+6=-x
4x+x=-6
5x=-6
x=-6/5  (=-1.2)

y=-x/2
y=-(-6/5)/2=6/10=3/5    (=0,6)

Therefore: the point of the line y=2x+3 that is closest to the origin is:
 (-1.2 , 0.6)

3 0
3 years ago
6. Find value of 5x-4x2+3 at
Leona [35]

Answer:

Question 6a, 3. 6b, -6, 6c, -3

Question 7, 3x^3-x^2-x-4-5/x-1

Question 8, x^2-x+1

Question 9a, x^2+14x=40

9b, x^2-2x-80

9c, 9x^2-3x-20

9d, 9-4x^2

10a 11021

10b 9120

10c, 9984

Step-by-step explanation:

8 0
3 years ago
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