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cricket20 [7]
3 years ago
7

What would the answer be??

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0

Answer:

38°

Step-by-step explanation:

a²=b²+c²-2bc cos A

5²=3²+7²-2(3)(7) cos A

-33 = -42 cos A

A = cos^{-1}(-33/-42)

A = 38°

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Answer:

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slamgirl [31]

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1 year ago
The pressure of a gas p(v) varies inversely with the volume of gas v. the pressure of a gas measures 8kg/cm^2 when its volume is
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B

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
After driving 152 ​km, 4/5 of a trip is completed. How long is the total​ trip? How many more kilometers must be driven to compl
nikitadnepr [17]

Answer:

1. Total Trip Distance = 190 kilometers

2. To complete the trip, 38 more kilometers left


Step-by-step explanation:

1.

Let total trip be x kilometers.

So we can say

<em>"152 is \frac{4}{5} of total" --- this into equation is:</em>

152=\frac{4}{5}x\\x=\frac{152}{\frac{4}{5}}\\x=190


Total trip is 190 km.


2.

Since already driven 152, to complete 190, you have to drive  190-152=38 kilometers more.

So, 38 more kilometers to complete the trip.

7 0
3 years ago
Read 2 more answers
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