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Tomtit [17]
3 years ago
6

Using the diagram, find sin B. Express your answer as a decimal rounded to the nearest hundredth, such as .86 or 0.86.

Mathematics
1 answer:
inessss [21]3 years ago
4 0
Hi, thank you for posting your question here at Brainly.

This problem could be solved using the Law of Cosines, since we are given with the three sides. The equation goes,

b^2 = a^2 + c^2 - 2accosB. Substituting,

24^2 = 7^2 + 25^2 - 2(7)(25)cosB

Then B = 73.7 degrees. Therefore sinB or sin(73.7) = 0.96.
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Convert the following repeating decimal to a fraction in simplest form .31 with the 1 repeating
bekas [8.4K]

Answer:

14/45

Step-by-step explanation:

So we have the fraction:

0.3\bar1=0.31111...

We can do this algebraically. Follow to following steps:

Let's let this number equal to n. Thus:

0.31111...=n

Since there is only 1 digit repeating, let's multiply everything by 10. So:

3.1111...=10n

Now, subtract n from both sides:

3.1111-n=10n-n

On the left, substitute the number for n. On the right, combine like terms:

3.1111...-0.31111...=9n

All of the 1s will cancel. So:

3.1-0.3=9n

Subtract:

2.8=9n

Divide both sides by 9:

n=2.8/9

Remove the decimal by multiplying both sides by 10:

n=28/90

Reduce:

n=14/45

And we're done!

Use a calculator to check:

14/45\stackrel{\checkmark}{=}0.31111...

7 0
3 years ago
Please help it’s not hard
blagie [28]

Answer:

H

Step-by-step explanation:

y= (1)x-3

Positive gradient, and the y intercept for the graph is -3, F is not the answer, the Y intercept is not -3.

7 0
3 years ago
Round 637.892 to the nearest whole number
ladessa [460]

The next larger whole number is  638 .
The next smaller whole number is  637 .

637.892  is closer to  638  than it is to  637 .

The nearest whole number is  638 .

3 0
4 years ago
Read 2 more answers
Stanley makes a $500 investment and then carefully tracks the value as time goes by. At first, the value of Stanley's $500 inves
mafiozo [28]
You would of taken 28 dollars away after 7 days because if your taking away 4$ each day you just have to figure out 4 times what equals 28 witch is 7

So the answer is 7 days
5 0
3 years ago
Two-thirds had their picture taken. If 124 had their picture taken, how many total?
Vesna [10]

Answer:

186

Step-by-step explanation:

1/3 would be 62. You get it by dividing 124 by 2.

Add the 62 onto 124

6 0
3 years ago
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