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motikmotik
3 years ago
14

I NEED HELP PLZ!!!!!!!!!! 35 POINTS

Mathematics
1 answer:
loris [4]3 years ago
3 0

Answer:

Step-by-step explanation:

As a review:  this is the Law of Sines:

   b            a

-------- = ---------

sin B      sin A

Using the Law of Sines will enable us to determine Angle A.  Once we know Angle A, we can determine Angle C.

From that point on, all of the angles are known, and there is sufficient info available to determine the length of side c using the Law of Sines.

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Find the measure of angle ∡4
dexar [7]
Since they share the same angle measurement, and 4 is smaller than 158 degrees, you subtract 158 from 180 and angle 4 = 22 degrees
7 0
3 years ago
The graph of a linear function is shown on the grid
monitta

Answer: Choice A

y + 1 = -3(x+2)

=============================

Explanation:

Let's look through the answer choices.

Choices C and D show that the point (2,1) is on the line. But the graph does not show this. So we can rule out choices C and D.

With choice A, the slope is negative and choice B has a positive slope.

The answer must be choice A because the line is going downhill as we move from left to right.

--------------

A common method is to pick two points on the line and compute the slope using the slope formula

m = (y2-y1)/(x2-x1)

Once you know the slope, you would use point slope form

y - y1 = m(x - x1)

4 0
3 years ago
What is the value of the 3 in 16.35 ?
WINSTONCH [101]

Answer: easy. The value is 3 tenths.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Emma went to a salon to get her hair cut. The price of the haircut is $65. She wants to leave a 20% tip. What is the total amoun
Rudiy27

Answer:

She should leave a total of $78.

Step-by-step explanation:

To find this, we first need to find the tip amount. We can do this by multiplying the total by the tip percentage.

$65 * 20% = $13

Now that we have that, we need to add it to the cost.

$65 + $13 = $78

8 0
3 years ago
Suppose that during one period extreme cold,the average daily temperature decreased 1 1/2 F each day. How many days did it take
Alenkasestr [34]

We have been given that during one period extreme cold, the average daily temperature decreased 1\frac{1}{2} degree F each day. We are asked to find number of days it will take for the temperature to decrease by 9 degree F.

First of all we will convert our mixed fraction into improper fraction.

1\frac{1}{2}=\frac{3}{2}

Now we will divide total temperature change (9) by average daily temperature change (\frac{3}{2}) to find number of days.

9\div\frac{3}{2}

Dividing a number by a fraction is same as multiplying the number by reciprocal of the fraction.

9\cdot\frac{2}{3}

3\cdot2=6

Therefore, it will take 6 days for the temperature to decrease by 9 degree F.

7 0
2 years ago
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