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Lisa [10]
3 years ago
7

In triangle ABC, c is the hypotenuse, 0=25°, and b =3, Find the length of c ?

Mathematics
1 answer:
Charra [1.4K]3 years ago
8 0

Answer:

\large\boxed{c\approx3.31}

Step-by-step explanation:

Use cosine:

cosine=\dfrac{adjacent}{hypotenuse}

\cos\theta=\dfrac{b}{c}

We have:

\theta=25^o\to\cos25^o\approx0.9063\\\\b=3

Substitute:

\dfrac{3}{c}=0.9063

\dfrac{3}{c}=\dfrac{9063}{10000}          <em>cross multiply</em>

9063c=30000          <em>divide both sides by 9063</em>

c\approx3.31

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Helga [31]

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4 is 5

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Monique has 2 less than half as many pairs of shoes as Dalia . Monique has four pairs of shoes. Which equation can be used to fi
viktelen [127]

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4m +2m = D

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3 years ago
What do you do to the b value to correctly complete the square?
mash [69]

Answer:

Step-by-step explanation:

B is correct:  We Divide it (the coefficient b) by 2 and square the result.

3 0
2 years ago
Read 2 more answers
I need to know the answer
ladessa [460]

Answer:

b

Step-by-step explanation:

Answer: option (b)

1 billion = 1, 000, 000, 000

In scientific notation, a number is rewritten as a simple decimal multiplied by 10 raised to some power n.

10 =101

100= 102

1, 000 = 103

1, 0000 = 104.

..............

Therfore 1 billion can be written as

1 billion =1, 000, 000, 000=10^{9}

Then 1.5 billion =  1.54 10^{9}

Hence option (b) is the correct answer

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5 0
3 years ago
A moving company is hired to take 578 clay pots to a florist shop. The florist will pay the moving company a $200 fee, plus $4 f
Sergio [31]

Answer:

$596

Step-by-step explanation:

So, firstly, let's take all the essential info and put it in bullet points:

  • $200 moving fee
  • $4 for every pot delivered safley
  • $5 each per pot that is lost/broken

Next, what do we know about what's happened to the pots?

  • 6 pots are lost
  • 12 pots are broken
  • 578 pots are supposed to be delivered

Now, we know that there is a moving fee that we will definitely have to pay, no matter what. Let's add that to the side-

200

Now we need to cover broken/lost pots. We can add up 6+12, because it is the exact cost for lost and broken pots. 6+12=18, and now we have to multiply that by 5. 18*5=90.

So, we can subtract that from the total payment.

200-18=182

Lastly, we need to add the total price for all the adequately delivered pots that arrived safely. There are 578 pots, and because 18 were damaged, we need to add that to 578:

578+18=596

So, the total amount you would be paying is $596.

3 0
2 years ago
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