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Likurg_2 [28]
3 years ago
8

You and your friend are splitting a restaurant bill and leaving a tip. You pay half of the bill plus $5. Your friend pays half o

f the bill plus 25% of the bill. you and your friend pay the same total amount. How much is half the bill?
(a) Write an equation. Let x be the cost of half the bill
(b) Solve the equation. Show your work.
(c) Check your solution. Show your work.
(d) State the solution in complete sentences.
Mathematics
2 answers:
DanielleElmas [232]3 years ago
8 0
A (pls give me brainliest)
Flauer [41]3 years ago
6 0
 it think the answer is A

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denominator

Step-by-step explanation:

the upper part is numerator

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FrozenT [24]
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lisov135 [29]

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4 0
3 years ago
. A triangle has side lengths of 8, 7, and 14. To the nearest tenth of a degree find the measure of the angle opposite the side
4vir4ik [10]

Given:

The measure of three sides of a triangle are 8, 7 and 14.

To find:

The measure of the angle opposite the side of length 8.

Solution:

According to the Law of Cosine:

\cos A=\dfrac{b^2+c^2-a^2}{2bc}

Let a=8, b=7 and c=14, then by using Law of Cosine, we get

\cos A=\dfrac{7^2+14^2-8^2}{2(7)(14)}

\cos A=\dfrac{49+196-64}{196}

\cos A=\dfrac{181}{196}

Taking cos inverse on both sides.

A=\cos^{-1}\dfrac{181}{196}

A=22.561328

A\approx 22.6

Therefore, the measure of the angle opposite the side of length 8 is 22.6 degrees.

7 0
3 years ago
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GREYUIT [131]
The percent markup would be 40%. 10+40%=14

Hope this helps!
Can u plz mark me as brainliest? I really need it!
4 0
3 years ago
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