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Mashutka [201]
3 years ago
5

URGENT!! LAW OF SINES WORK

Mathematics
1 answer:
Lynna [10]3 years ago
6 0

Answer:

  1.  7.1 cm

  2.  10.9 cm

Step-by-step explanation:

1. You know the legs of a right triangle must be shorter than the hypotenuse. The only answer choice shorter than 8 cm is 7.1 cm.

__

2. By the Law of Sines, ...

  AB/AC = sin(ACB)/sin(B)

  AB = AC·sin(72°)/sin(38°) = 1.545·AC

The approximate value of AC from problem 1 is sufficient to get you close to the answer.

  AB ≈ 7.1×1.545 ≈ 10.9 . . . cm

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A principle of $20,000 is invested at $6.25 and earns $10,000 simple interest how many years has the money been invested
slava [35]

Answer:

The money was invested for 8 years.

Step-by-step explanation:

Given that a principal of $ 20,000 is invested at 6.25% and earns $ 10,000 simple interest, to determine how many years has the money been invested, the following calculation has to be performed:

(20,000 x 0.0625) x X = 10,000

1,250X = 10,000

X = 10,000 / 1,250

X = 8

Thus, the money was invested for 8 years.

6 0
3 years ago
Apply the distributive property to create an equivalent expression.
ira [324]

Answer:

12e - 6f -8

Step-by-step explanation:

(6e−3f−4)⋅2

Multiply the 2 by each term inside the parentheses

2*6e -2*3f -4*2

12e - 6f -8

4 0
3 years ago
How many solutions does -3x+12-9x+8=-3(4x-7)
skelet666 [1.2K]

Answer:

-3x+12-9x+8=-3(4x-7)

-3x+12-9x+8=-12x+21

-12x+21=-12x+21

21=21

infinitely many solutions

hope this helps

have a good day :)

Step-by-step explanation:

6 0
3 years ago
(28÷4)+3+6x5<br><br><br> tell accordingly the correct answer will be marked as brainliest answer
Anvisha [2.4K]
The answer to this expression is 40. Why? Well, we can use PEMDAS in this expression.

P: Parenthesis

So this is our first step:

28 / 4 = 7

Next step: Simplify.

7 + 3 + 6 x 5

Then: E stands for Exponents but we have none so we can move on.

M stands for Multiply so we have our next step:

6 x 5 = 30

Now: Simplify.

7 + 3 + 30

Now that we have a simple equation, we can add the values to get our answer.

7 + 3 = 10
10 + 30 = 40

Therefore, your answer is 40. Whenever you see problems like this, be sure to use PEMDAS for a faster and more accurate evaluation.


Your final answer: 40.
3 0
2 years ago
Can someone please help me with this math question?
Vika [28.1K]

Answer:

y = -1x - 3

or

y = -x - 3

Step-by-step explanation:

8 0
3 years ago
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