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Nostrana [21]
3 years ago
11

7. In 2015 a club has 250 members who each

Mathematics
1 answer:
Evgen [1.6K]3 years ago
3 0

2015:

250 members

$95 annual subscription

2016

250 members + 4%

$95 annual subscription + 6%

Work:

250 x 1.04 = 260

95 x 1.06 =  100.7

260 x 100.7 = 26,182

Thus, the club makes $26,182 from 260 members who pay a subscription of $100.7

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Unfortunately I still have school could anybody help me please?<br> MATH 2<br> Standard G-SRT.8.1
sammy [17]

Answer:

t = 6

∠BAC = ∠EAD = 6°

∠BCA = ∠ABC = ∠AED = ∠EDA = 87°

Step-by-step explanation:

From inspection of the diagram, we can see that there are 2 triangles inside a circle.  One of the vertices of both triangles is at the center of the circle. The other vertices of both triangles are on the circumference of the circle.

The dashes on the line segments (chord) mean they are <u>equal in length</u>.

⇒ BC = DE

The legs of both triangles are the radius of the circle.

Therefore, ΔABC = ΔAED

This means the ∠BAC = ∠EAD, therefore:

⇒ 6t - 12 = 18 - 4t

⇒ 10t - 12 = 18

⇒ 10t = 30

⇒ t = 3

Substituting the found value of t into one of the expressions to find ∠BAC and ∠EAD:

⇒ ∠BAC = ∠EAD = 6(3) - 12 = 6°

Triangles ΔABC and ΔAED are both isosceles triangles (as they have 2 sides of equal length: the radii).

Therefore, the remaining 2 angles in each triangle will be <u>equal</u>.

The sum of interior angles of a triangle = 180°

⇒∠BAC + 2(∠BCA) = 180°

⇒ 6° + 2(∠BCA) = 180°

⇒ 2(∠BCA) = 174°

⇒ ∠BCA = 87°

Therefore, as ∠BCA = ∠ABC = ∠AED = ∠EDA

all the other angles are 87°

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A small pipe can fill a tank in 3 min more time than it takes a larger pipe to fill the same tank. Working together, the pipes c
CaHeK987 [17]
The smaller pipe takes 12 hours.
The large pipe takes 6 minutes.
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If you buy a computer directly from the manufacturer for $3,159 and agree to repay 48 equal installments
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Answer: $68.81

Step-by-step explanation:

If I'm reading this correctly, All you need to do is divide 3,159 by 48 and get the answer of 68.81

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Thats a semi circle

Area

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Write an expression for each phrase
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1. 9 + k - 19

2. 6.7n

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