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alukav5142 [94]
3 years ago
7

Please help me!!!!!​

Mathematics
2 answers:
kirill [66]3 years ago
8 0

Answer:

-3 < x < -2

Step-by-step explanation:

We want where the y value is negative

-3 < x < -2  the y values are negative

-1 < x < 0 the y values are positive

0 < x < 1  the y values are positive

a_sh-v [17]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Since f(x) is graphed, you need to look at the specified intervals and see which of them have the entire portion graphed below the x axis.

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Hey guys I need help plz asap
Ilya [14]
Answer:

Explanation:

AB = BC
=> Triangle ABC is an Isosceles Triangle
Thus, Angle C = Angle A
DE = BE
=> Triangle DEB is an Isosceles Triangle
Thus, Angle D = Angle B

Proof that triangle ABC and DEB are similar:

Angle DBE = Angle A (corresponding angle)
Angle BDE = Angle C (Both Triangle are Isosceles, if one pair of the angle are equal then the other pair should also be equal)

=> Triangle ABC ~ Triangle DEB (AA)

Therefore, Angle E = Angle B

Find angle B:

Angle C + Angle A + Angle B = 180
40 + 40 + angle B = 180
Angle B = 180 - 80
Angle B = 100 degree

But Angle B = Angle E = 100 degree

Therefore, Angle E = 100 degree
3 0
2 years ago
Find the slope-intercept equation of the line containing (1.-4) and having slope m = 3​
gulaghasi [49]

Answer:

y=3x-7

Step-by-step explanation:

7 0
3 years ago
Please answer and show how you did it!
Anna35 [415]
This is a parabola, first, locate the line of symmetry.
the line of symmetry is x=-b/2a
in this case, b=-2, a=-1, so the line of symmetry is x=-1
when x=-1, f(x)=-(-1)²-2(-1)-3=-2  
locate the point (-1,-2) on the grid. this point is the vertex.
get two pairs of points with x=-1 as the symmetry line:
(0, -3) and (-2, -3); (1,-6) and (-3,-6) 
connect these five points into a parabola, stick out at the ends because it will extend forever downward. 
3 0
2 years ago
Which of the following is a polynomial?
Zanzabum

Answer:

I'm pretty sure A is the correct answer :)

(x-2)(x^4+3) is a polynomial

5 0
2 years ago
Please answer !!!!!!!! Will mark brainliest whoever answers correctly !!!!!!!!
kirill115 [55]

Answer:

g(q) = 5/8q

Step-by-step explanation:

-7q + 12r = 3q - 4r

Add 4r to each side

-7q + 12r+4r  = 3q - 4r+4r

-7q +16r = 3q

Add 7q to each side

-7q+7q +16r = 3q+7q

16r = 10q

Divide each side by 16

16r/16 = 10q/16

r = 5q/8

g(q) = 5/8q

5 0
3 years ago
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