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laiz [17]
2 years ago
6

How to answer this problem

Mathematics
1 answer:
ruslelena [56]2 years ago
6 0

Answer:

m<C = 12.0 °

Step-by-step explanation:

Since we know that this is a non-right triangle, we must use either the law of sines or law of cosines to find m<C.  

The information we now have only allows us to use the law of sines, which focuses on proportions:

\frac{SinA}{a}=\frac{SinB}{b}=\frac{SinC}{c}

Thus, we can use:

\frac{sin(98)}{19}=\frac{sinC}{4}\\ 4*sin(98)=19*sinC\\ \frac{4*sin(98)}{19}=sinC\\ sin^-1\frac{4*sin98}{19}=12.033=12.0

The sin^-1 represents the sin inverse, which you must use to find angle measures.

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Harlamova29_29 [7]

Answer:

7 x 2, 14, the area, then use pie, 3.14 to get the circle

Step-by-step explanation:

3 0
2 years ago
(x+2)^2 - (y+3)^2 factories this. Pls help me .​
alekssr [168]

Answer:x^2−y^2+4x−6y−5

Step-by-step explanation:

7 0
3 years ago
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The owner of Sack of Suds paid his cashier $60 when he was actually owed only $42. What was the
OLga [1]

Answer: 42.9%

Step-by-step explanation:

Percent error is the difference between the measured and known value, which is divided by the known value, and then multiplied by 100%.

Percent error = (Estimated number- Actual number)/Actual Number × 100.

= (60 - 42)/42 × 100

= 18/42 × 100

= 0.429 × 100

= 42.9%

5 0
3 years ago
Sydney has 972$ to spend on tickets. if each ticket costs 27$ how many tickets can she purchase
Viefleur [7K]
972/27=36 tickets she can purchase
7 0
3 years ago
Read 2 more answers
H and J are both between G and K such that GH = JK and H is between G and J.
DIA [1.3K]

Answer:

32

Step-by-step explanation:

So the order of the points is: GHJK

GH = x+10 =JK

HJ=8

JK=2x-4

JK = x+10=2x-4

x+10=2x-4

10+4=2x-x

x=14

GH= 14+10 =24

GJ = GH +HJ = 24+ 8=32

6 0
2 years ago
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