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Ksivusya [100]
3 years ago
12

BC= Round your answer to the nearest hundredth.

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
3 0

Answer:

BC ≈ 1.71

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos70° = \frac{adjacent}{hypotenuse} = \frac{BC}{AB} = \frac{BC}{5}

Multiply both sides by 5

5 × cos70° = BC , thus

BC ≈ 1.71 ( to the nearest hundredth )

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A train is traveling at a constant speed and go 7.5 km in six minutes how far does it travel in 100 minutes
telo118 [61]

Answer:

125 km in 100 minutes

Step-by-step explanation:

In order to solve this problem, you have to divide 7.5 by six to find out how fast it goes per minute. BY doing this you are left with 1.25. You then multiply 1.25 by 100 to find out how far it goes in 100 minutes.

Hope this helped :)

8 0
3 years ago
1) a -4 - b; use a = 6, and b = 1
Temka [501]

Answer:

-23

Step-by-step explanation:

6×-4 -1.... (6)(-4)-1

-24-1.....-24-1

-23

4 0
3 years ago
Can someone pls help me! thank you!
Andre45 [30]

Answer:

6 hours

Step-by-step explanation:

she played game 25% of the time.

25% of 30 hours is 7.5 hours

she researched 5% of the time.

5% of 30 hours is 1.5 hours

so she played game 7.5-1.5=6 more hours than she researched

6 0
3 years ago
Please give me the answer
Nostrana [21]

Answer:

60

Step-by-step explanation:

AOC= AOB+ BOC

104= 7x+30 +9x+42

104= 16x+72

subtract both sides by 72

104-72=16x

32=16x

divide both sides by 16

x=2

BOC= 9(2) +42

BOC= 60

7 0
4 years ago
Read 2 more answers
An orange has a volume of about 113.1 cm3. What is the area of the cross section when it is cut in half? Round to the nearest te
soldi70 [24.7K]

Answer:

18.0

Step-by-step explanation:

113.1 divided by 3.14

then divide that by 2

correct me if i am wrong

4 0
4 years ago
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