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klasskru [66]
3 years ago
7

Please Help! Will mark brainliest.!!!!!

Mathematics
2 answers:
olga_2 [115]3 years ago
6 0

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.

Ne4ueva [31]3 years ago
3 0

Answer:

A) IV, III, I, II

Step-by-step explanation:

Just took the test and got it right (:

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A=8, b=?, c=16 find the missing side
Ksivusya [100]

Answer:

13.8 I think

Step-by-step explanation:

using the pyrhagorem theorem use the formula c=a2+b2

4 0
3 years ago
Find the equation of the line with slope =-7 and passing through (-4,-5) .write your equation in point slope and slope intercept
Leona [35]

Point-slope form:

y - y₁ = m(x - x₁)         "m" is the slope


You know:

m = -7

(-4 , -5) = (x₁ , y₁)

Plug these into the equation:

y - y₁ = m(x - x₁)

y - (-5) = -7(x - (-4))

y + 5 = -7(x + 4)



Slope-intercept form:

y = mx + b       "m" is the slope, "b" is the y-intercept (the y value when x = 0)


You can solve this two ways:


#1:  Since you know m = -7, plug it into the equation

y = mx + b

y = -7x + b

To find "b", plug in the point (-4, -5) into the equation

y = -7x + b

-5 = -7(-4) + b

-5 = 28 + b    Subtract 28 on both sides

-33 = b


y = -7x - 33



#2: Use the point-slope form and change it to slope-intercept form by isolating/getting "y" by itself.

y + 5 = -7(x + 4)     First distribute/multiply -7 into (x + 4)

y + 5 = -7x - 28     Subtract 5 on both sides

y = -7x - 33

7 0
3 years ago
Need an answer for this question
Natasha_Volkova [10]
Answer: f(-2)=6.
Explanation: Since -2 is less than 1 you plug it into the top equation for -(-2)+4 = 2+4 =6
5 0
3 years ago
ROUND YOUR ANSWER TO THE NEAREST TENTH
Darya [45]

Answer:

x = 16.5

Step-by-step explanation:

Use pythagorean theorem

a² + b² = c²

Plug in terms

7.1² + x² = 18²

Square each term

50.41 + x² = 324

Subtract a from c

x² = 273.59

Find square root

16.5

4 0
3 years ago
Will someone help me with this problem?
Nookie1986 [14]
I will help u let me look at it

5 0
3 years ago
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