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Vlad [161]
3 years ago
13

Can you answer this please

Mathematics
1 answer:
m_a_m_a [10]3 years ago
7 0

Answer:

118

Step-by-step explanation:

The angle between intersecting chords is the average of the arc angles.

74 = ½ (30 + b)

148 = 30 + b

b = 118

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Sarah drove 40 miles per hour. In 3 hours, Sarah drove 120 miles. Which is a valid proportion to represent this description?
slava [35]

Answer:

A

Step-by-step explanation:

miles over hours

40 over 1

120 over 3

6 0
3 years ago
Four of the angle of a Pentagon are 70°,90°,100° and 145°. What is the side of a fifth angle?​
dezoksy [38]

Answer: 135°

Step-by-step explanation:

The sum of the angles in a pentagon is equal to 540°, and the sum of the first four angles is 405°.

70 + 90 + 100 + 145 = 405

540 - 405 = 135

6 0
3 years ago
What is 7+1000000000000000000000000000000000000000
Olin [163]

Answer:

1000000000000000000000000000000000000007

Step-by-step explanation:

5 0
3 years ago
Solve for n.<br> n+ 1 = 4(n-8)<br> 0 n = 1<br> O n = 8<br> 0 n = 11<br> n = 16<br> ?
Irina18 [472]
N=11
I’m not 100% sure
Hoped this helped
6 0
3 years ago
Read 2 more answers
Two companies Company A and Company B offer the same starting salary of $20,000 per year. Company A gives a raise of $1000 each
Bingel [31]
A.) A = 20000 + 1000n
B = 20000(1.04)^n

b.) For A, sn = n/2(2a + (n - 1)d)
s20 = 20/2(2(20000) + 1000(20 - 1)) = 10(40000 + 19(1000)) = 10(40000 + 19000) = 10(59000) = $590,000
For B, sn = a(r^n - 1)/(r - 1)
s20 = 20000((1.04)^20 - 1)/(1.04 - 1) = 20000(2.191 - 1)/0.04 = 20000(1.191)/0.04 = 23822.46 / 0.04 = $595,561.57

c.) Using a graphing calculator, it takes 18 years for the
<span>total amount earned a company B is greater that the total amount of earned at company A.</span>
5 0
4 years ago
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