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Katen [24]
3 years ago
10

Which shows two triangles that are congruent by AAS

Mathematics
1 answer:
Cloud [144]3 years ago
7 0

Answer:

answer A is the correct option.

Step-by-step explanation:

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Solve using the quadratic formula. 3x^2+2x+1=0
Sav [38]
4.3 Solving 3x2-2x-1 = 0 by the Quadratic Formula .

According to the Quadratic Formula, x , the solution for Ax2+Bx+C = 0 , where A, B and C are numbers, often called coefficients, is given by :

- B ± √ B2-4AC
x = ————————
2A

In our case, A = 3
B = -2
C = -1

Accordingly, B2 - 4AC =
4 - (-12) =
16

Applying the quadratic formula :

2 ± √ 16
x = —————
6


Two real solutions:

x =(2+√16)/6

or:

x =(2-√16)/6
7 0
4 years ago
What is the largest of three consecutive numbers if their sum is 48?
Allisa [31]

Answer:

15,15,15,

Step-by-step explanation:

48=12+12+12+12

48=(12+3)+(12+3)+(12+3)+(12+3)

3 0
3 years ago
Please Help! Will mark brainliest.!!!!!
olga_2 [115]

Answer:

C

Step-by-step explanation:

Median of triangle: It is a line segment joining a vertex to the midpoint of the opposite side.

Consider ΔABC, point F id the midpoint of line segment AB and E is the midpoint of luine segment AC.

Draw line segments FC and BE(medians of  triangle). G is the point where line segment FC and BE meet. Now, Join AG.

Let H be the point outside the ΔABC and AG passs through the point H  such that AG intersects BC at D. BH and HC are dashed lines.

We need to show that D is the midpoint of BC. The correct logical order for proof will be:

III. GC is parallel to line segment BH and line segment BG is parallel to line segment HC.

IV.  Line segment FG is parallel to line segment BH and line segment GE is parallel to line segment HC.

I. BGCH is a parallelogram as opposite sides are parallel (from III.)

II. Since, diagnols of a parallelogram bisect each other. Henc, we get BD=DC.

Therefore, D is mid pont of BC.

It implies that AD is also a median.

Hence, all the three medians that are: BE,FC and AD passes through a common vertex G.

6 0
3 years ago
Read 2 more answers
If f(x) = 7(x - 2) + 4(x + 1), what is f(2)?<br><br> A. 9 B. 10 C. 12 D. 11
KatRina [158]

Answer:

C) 12

Step-by-step explanation:

These type of questions is basically asking you to replace x with 2. f(x) is the same thing as y = but inside the f(x) is the value of x. So in this case, the numerical value of x is 2. All we need to do is replace x with it's numerical value, 2, and solve the equation.

y=7(2-2) + 4(2+1)\\y=7(0) + 4(3)\\y = 12

8 0
3 years ago
Read 2 more answers
Select the equation in which the graph of the line has a negative slope and the y intercept equals -5
tatuchka [14]

Answer:

Step-by-step explanation:

Next time, please share the possible answer choices.

Since the slope and y-intercept are given here, we can immediately write out the slope-intercept form of the equation of this line:

y = mx + b becomes y = -1x - 5, where I have arbitrarily chosen the negative slope -1.

7 0
4 years ago
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