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kolezko [41]
3 years ago
15

Quadrilateral ABCD has coordinates A (3, 1), B (4, 4), C (7, 5), D (6, 2). Quadrilateral ABCD is a Select one: a. rectangle, bec

ause opposite sides are congruent and adjacent sides are perpendicular b. square, because all four sides are congruent and adjacent sides are perpendicular c. parallelogram, because opposite sides are congruent and adjacent sides are not perpendicular d. rhombus, because all four sides are congruent and adjacent sides are not perpendicular
Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

Answer:

i would say b

Step-by-step explanation:

because it makes the most sence

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I can’t seem to find the shaded area
mel-nik [20]

Answer:

8/21

Step-by-step explanation:

1- 2/7 - 1/3 = 21/21 - 6/21 - 7/21 = 8/21

5 0
3 years ago
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Jennifer 4 years older than her sister, Rebecca. Their ages sum to 28. How old are each of the sisters?
Musya8 [376]

Answer:

Rebecca is 12

Jennifer is 16

Step-by-step explanation:

28 - 4 = 24

24 : 2 = 12

12 + 4 = 16 (Jennifer)

28 - 16 = 12 (Rebecca)

8 0
3 years ago
1. What values of a, b, and c would you use in the quadratic formula for the following equation?
kiruha [24]
Answer: See each part below.

1) A, B, and C are the coefficients in order when it equals 0. Move over the 4 and you have 5, 9, -4 or Choice B.

3) If you graph the equation, it will be above the x-axis. Therefore, it has no roots. Choice D

4) Choice A is correct. Use the coefficients: A = 4, B = 3, C = -10. Simply plug those into the quadratic equation and you will get -2 and 1.25.
7 0
3 years ago
Let U = {q, r, s, t, u, V, W, x, y, z}
Alexus [3.1K]

Answer:

B'=U-B={q, r, s, t, u, V, W, x, y, z}-{q, s, y, z}={r,t, u, V, W, x, y}

A'=U-A={q, r, s, t, u, V, W, x, y, z}-{q, s, u, w, y}={r,t,v,w,x,z}

B'UC={r,t, u, V,W, x, y}U{v, w, x, y, z).={{r,t, u, V,W, x, y,z}

Step-by-step explanation:

(B'U C) U A'={{r,t, u, V,W, x,y,z}U{r,t,v,w,x,z}={{r,t, u, V,W, x,y,z}

5 0
3 years ago
Which is the axis of symmetry of a parabola with equation x^2=-4y?
riadik2000 [5.3K]

Answer:

x = 0

Step-by-step explanation:

Given

x² = - 4y ( divide both sides by - 4 )

y = - \frac{1}{4} x²

Which is a parabola opening vertically down with it's vertex at (0, 0) and symmetrical about the y- axis

Hence equation of axis of symmetry is x = 0

3 0
4 years ago
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