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OLEGan [10]
2 years ago
12

Math question right here

Mathematics
2 answers:
MariettaO [177]2 years ago
6 0

Answer: I think its BC and DC I dont know But I hope this helps!

Step-by-step explanation:

Orlov [11]2 years ago
5 0

Answer:

∠ACB ≅ ∠ACD

Step-by-step explanation:

The SAS Postulate tells us:

If two sides and the included angle of a triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

(Congruent = exactly the same)

(included angle is formed by the two known sides)

In this example we can see that 2 sides are congruent (by the dashes on the lines and the fact that both triangles share side AC), but we do not know if the included angles are congruent.

Therefore, we need to know if ∠ACB ≅ ∠ACD

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Use the discriminate to determine the number and the nature of the solutions of the giving equation.
PolarNik [594]

Answer:

Since b^2 -4ac = 256 we have 2 real distinct root roots

Step-by-step explanation:

4x^2+12x=7

We need to subtract 7 to get it in the proper form

4x^2+12x-7=7-7

4x^2+12x-7=0

The discriminant is b^2 -4ac

when the equation is ax^2 +bx+c

so a =4   b=12 and c=-7

(12)^2 - 4(4)(-7)

144 +112

256

If b^2 -4ac > 0 we have 2 real distinct roots

If b^2 -4ac = 0 we have one real root

If b^2 -4ac < 0 we have two complex root

Since b^2 -4ac = 256 we have 2 real distinct root roots

7 0
3 years ago
Janae found PointA located at ,(-2,5) and c is located at (6,1) . What would be the x coordinate of point b that bisects A and C
Alexxandr [17]

A point that bisects a segment would be its midpoint. This is a case where the vocabulary  (bisect as opposed to midpoint) makes it harder.

To find the midpoint, we use the midpoint formula. The midpoint formula is:

midpoint = (x₁ + x₂/2, y₁ + y/2). To find it, you add the x coordinates and then divide them by 2. Repeat for the y coordinates.

x: (-2 + 6)/2 = 4/2 = 2

y: (5 +1)/2 = 6/2 = 3


Thus the point B bisecting AC is at (2, 3).

8 0
3 years ago
The volume of a cube is 1,000cm. What is the length of an edge
Burka [1]
The length of the edge would be 5cm
4 0
3 years ago
How many times larger is 4 x 10^8 than 2 x 10^-5
True [87]

Answer:The answer is 8x10^7

Step-by-step explanationi took the thing

7 0
3 years ago
In august Janet's clothing store sold 234 shirts with the ratio of short sleeves to long sleeves being 9:4. how many short sleev
makvit [3.9K]
162 short sleeve shirts; if you add 9 and 4, you get 13. Then, divide 234 by 13, which equals 18. 18 multiplied by 9 is 162.
3 0
4 years ago
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