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Goshia [24]
3 years ago
10

Find the length of BC.

Mathematics
2 answers:
gavmur [86]3 years ago
8 0

Answer:

B) 8

Step-by-step explanation:

The Segment Addition Postulate basically states that the sum of the segments of a line will equal the length of the entire line.

Thus, AB+BC=AC, and we can substitute:

AB+BC=AC

(4x+8)+(3x-4)=32

4x+8+3x-4=32

7x+4=32

7x=28

x=4

Now that we have x, we can plug it in for segment BC:

BC=3x-4

3(4)-4

12-4

8

Therefore, choice B is correct

Umnica [9.8K]3 years ago
3 0

Answer:

BC = 8

Step-by-step explanation:

AB + BC = AC

4x + 8 + 3x - 4 = 32

7x + 4 = 32

7x = 32 - 4

7x = 28

x = 28/7

x = 4

BC = 3x - 4 = 3*4 - 4 = 12 - 4 = 8

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Answer:

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Step-by-step explanation:

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4 0
3 years ago
2 of 5<br> What is the nth term rule of the linear sequence below?<br> -9,-5, -1,3,7,...<br> Tn=
icang [17]

Answer:

T_{n} = 4n - 13

Step-by-step explanation:

There is a common difference d between consecutive terms , that is

d = - 5 - (- 9) = - 1 - (- 5) = 3 - 1 = 7 - 3 = 4

This indicates the sequence is arithmetic with n th term

T_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 9 and d = 4, thus

T_{n} = - 9 + 4(n - 1) = - 9 + 4n - 4 = 4n - 13

6 0
3 years ago
Please help me. I will give Brainliest! Please no guessing
nadya68 [22]
First we must know the equation

V=1*w*h

So
V=17*1.3*8

And that would be

176.8  cubic inches

or B.

Hope I helped!
3 0
4 years ago
What is the value of a?
Kisachek [45]
The answer is 41.41
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Adam earned 2 points in the first round of competition. In the second round, he earned 7 points. In the final round, he earned 9
Softa [21]
He earned 18 points in all
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