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goblinko [34]
3 years ago
12

An electrician charges a $20 house call fee plus $30 per hour of work. Which equation represents this relationship?An electricia

n charges a $20 house call fee plus $30 per hour of work.
Mathematics
1 answer:
Brums [2.3K]3 years ago
6 0

Answer:

20+30h

......................................

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The amount of money in Nadia’s savings account is represented by the recursive formula an=1.025(an-1)+50 if a6=291.51 what are t
Elis [28]
Recursive formula is one way of solving an arithmetic sequence. It contains the initial term of a sequence and the implementing rule that serve as a pattern in finding the next terms. In the problem given, the 6th term is provided, therefore we can solve for the initial term in reverse. To make use of it, instead of multiplying 1.025, we should divide it after deducting 50 (which supposedly is added).
<span>
Therefore, we perform the given formula: A (n) = <span>1.025(an-1) + 50
</span></span>a(5) =1.025 (235.62) + 50 = 291.51

a(4) = 1.025 (181.09) + 50 = 235.62

a(3) = 1.025 (127.89) + 50 = 181.09

a(2) = 1.025 (75.99) + 50 = 127.89

a(1) = 1.025 (25.36) + 50 = 75.99

a(n) = 25.36

The terms before a(6) are indicated above, since a(6) is already given.

So, the correct answer is <span>A. $25.36, $75.99.</span>
3 0
3 years ago
A package of 24 pencils costs 2.88$. at this rate how much would 30 pencils cost?
ASHA 777 [7]
24➗2.88=0.8 30➗0.8 = 3.75 So the answer is 3.75
6 0
3 years ago
Explain what a conjecture is
shusha [124]
A conjecture is like a guess, opinion, or conclusion that is based off of incomplete information.

Hope this helps!
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6 0
3 years ago
Read 2 more answers
Given the diagram below, what statement can you not make?
Vaselesa [24]

Answer:

b, 5=3

Step-by-step explanation:

4 0
3 years ago
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Round to the nearest tenth.
laila [671]

Answer:

8.2 units

Step-by-step explanation:

Given that the only information for our triangle are 2 sides and 1 angle, we must use the Law of Cosines to find side BC

<u />

<u>Recall the Law of Cosines</u>

<u />a^2=b^2+c^2-2bc\cdot cos(A)

<u>Identify angles and sides</u>

<u />m\angle A=23^\circ\\a=BC=?\\b=AC=14\\c=AB=6

<u>Solve for side "a"</u>

<u />a^2=b^2+c^2-2bc\cdot cos(A)\\\\a^2=14^2+6^2-2(14)(6)\cdot cos(23^\circ)\\\\a^2=196+36-168cos(23^\circ)\\\\a^2=222-168cos(23^\circ)\\\\a=\sqrt{222-168cos(23^\circ)}\\ \\a\approx8.2

Therefore, the length of line segment BC is about 8.2 units

8 0
2 years ago
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