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Elena L [17]
3 years ago
9

The cost to make a path connecting all four landmarks is based on the proposal shown. The cost of path A is $29. The cost of pat

h B is $59 The cost of path C is $32 The cost of path D is $38 Find the cost of the minimum spanning tree to connect all four landmarks?
​
Mathematics
2 answers:
Alik [6]3 years ago
8 0

Answer:

158

Step-by-step explanation:

never [62]3 years ago
3 0
158
step-by-step-explanation
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Solving proportion 10\8=n\10
Zanzabum
\frac { 10 }{ 8 } =\frac { n }{ 10 } \\ \\ 10\cdot \frac { 10 }{ 8 } =\frac { n }{ 10 } \cdot 10\\ \\ \frac { 100 }{ 8 } =n

\\ \\ n=\frac { 4\cdot 25 }{ 4\cdot 2 } \\ \\ \therefore \quad n=\frac { 25 }{ 2 }
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3 years ago
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Wilson did a survey to find the average shoe size of the students in his class. He asked the following question: What is the sho
nasty-shy [4]
Wilson's question is not a statistical question because the students my not a have tall person in their class
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3 years ago
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Which function represents the sequence -5.5, -4.75 -4,-3.25... ?​
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The answer I think should be
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3 years ago
Prove that an integer consisting of 3n ones is divisible by 3n (e.g. 111 is divisible by 3, 111,111,111 is divisible by 9, etc.)
mote1985 [20]

For proof of 3 divisibility, abc is a divisible by 3 if the sum of abc (a + b + c) is a multiple of 3.

<h3>Integers divisible by 3</h3>

The proof for divisibility of 3 implies that an integer is divisible by 3 if the sum of the digits is a multiple of 3.

<h3>Proof for the divisibility</h3>

111 = 1 + 1 + 1 = 3  (the sum is multiple of 3 = 3 x 1)  (111/3 = 37)

222 = 2 + 2 + 2 = 6 (the sum is multiple of 3 = 3 x 2)  (222/3 = 74)

213 = 2 + 1 + 3 = 6 ( (the sum is multiple of 3 = 3 x 2)  (213/3 = 71)

27 = 2 + 7 = 9  (the sum is multiple of 3 = 3 x 3)  (27/3 = 9)

Thus, abc is a divisible by 3 if the sum of abc (a + b + c) is a multiple of 3.

Learn more about divisibility here: brainly.com/question/9462805

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5 0
2 years ago
What are the explicit equation and domain for a geometric sequence with a first term of 4 and a second term of −12? an = 4(−3)n
nadya68 [22]
The geometric sequence is given by:
an=ar^(n-1)
where:
a=first term
r=common ratio
n is the nth term
given that a=4, and second term is -12, then
r=-12/4=-3
hence the formula for this case will be:
an=4(-3)^(n-1)
where n≥1

5 0
3 years ago
Read 2 more answers
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