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Juli2301 [7.4K]
3 years ago
7

Here we go someone help me with this!

Mathematics
1 answer:
zalisa [80]3 years ago
4 0

Answer:

I think they are-

Step-by-step explanation:

I have never learned this so please don't put every single last bit of trust in me- But I believe they are congruent-

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the first and last term arithmetic sequence are 9 and 165 respectively.if the sum of all the terms of the arithmetic sequence is
diamong [38]

Answer:

  • 40 terms

Step-by-step explanation:

<u>Sum of n terms formula:</u>

  • Sn = 1/2n(a1 + an)

<u>Solving for n</u>

  • 3480 = 1/2n(9 + 165)
  • 3480 = 87n
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3 0
3 years ago
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pickupchik [31]

Answer:

I agree that this question can be confusing:

Apparently point A and point B must be on the same straight line (measured from the light house or the question would be nonsensical)

tan 13 = H / DA      where H is height of lighthouse

tan 8 = H / DB       tangent measured from point B

tan 13 / tan 8 = DB / DA

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3 0
2 years ago
I will give brainliest!!!!!
user100 [1]
The sum of their age is "s" years? Please fix the typo. Then I might be able to help :D

4 0
3 years ago
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Suppose the null hypothesis, H0, is: Darrell has enough money in his bank account to purchase a new television. What is the Type
seropon [69]
<h2>Answer with explanation:</h2>

In statistics, The Type II error occurs when the null hypothesis is false, but fails to be rejected.

Given : Suppose the null hypothesis, H_0, is: Darrell has enough money in his bank account to purchase a new television.

Then , Type II error in this scenario will be when the null hypothesis is false, but fails to be rejected.

i.e. Darrell has not enough money in his bank account to purchase a new television but fails to be rejected.

3 0
3 years ago
There are four roads from A to B and five roads from B to C. In how mamy different ways can a person travel from A to C?
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That would be 4 * 5 = 20 ways  answer.

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3 years ago
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