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Anton [14]
3 years ago
5

MATH HELP PLEASE 50 POINTS

Mathematics
2 answers:
Tamiku [17]3 years ago
7 0
This is my fav um...
a is 180 
B and C are acute 
A is obtuse
what are the anwers choices

Illusion [34]3 years ago
4 0
To find the length of a, you should use the Law of Cosines
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A certain ferry moves up and down a river between Town A and
Blizzard [7]

Answer: 60 miles

Step-by-step explanation:

Given

It takes ferry 2 hours to travel to town A and only 1.5\ hr to travel back to town B.

Speed of current is u=5\ mph

Suppose the speed of the ferry is v mph

Distance traveled in both the cases is same, but it took more time traveling to city A that is, ferry is moving upstream and downstream for returning time.

\Rightarrow 2(v-5)=1.5(v+5)\\\Rightarrow 2v-10=1.5v+7.5\\\Rightarrow 0.5v=17.5\\\Rightarrow v=35\ mph

Distance between the towns is 2\times (35-5)=60\ \text{miles}

5 0
3 years ago
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What is the value of x ?!
puteri [66]

Answer:

4

Step-by-step explanation:

2x - 1 = 7

2x = 8

x = 4

3 0
3 years ago
Can someone help me and give me an explanation?
e-lub [12.9K]

Answer: I was made for this question the answer is: w=8

Step-by-step explanation:

First you do: 150-30 since you want to cancel it out.

Then: 120/15=8

The answer:8

8 0
3 years ago
Omar is born weighing 8 pounds, 3 ounces. The doctor says he should gain about 5 ounces each week for the next 4 weeks. How much
satela [25.4K]

20

Step-by-step explanation:

5x4

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The question isnt clear

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