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adelina 88 [10]
3 years ago
14

of 140 seventh grade students, 15% earn the presidential physical fitness award. How many students earn the award

Mathematics
2 answers:
mafiozo [28]3 years ago
6 0
10% = 14 , 5% = 7 , 14+5= 21 , so 21 won the award 
4vir4ik [10]3 years ago
4 0
0.15*140=21

21 is 15% of 140
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Number ten is 60 73+36=108
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Consider a Triangle ABC like the one below. Suppose that C = 98, A = 74, and b = 11 (figure is not drawn to scale.) solve the tr
Degger [83]

Answer:

A=73.8\°

B=8.2\°

c=76.3\ units

Step-by-step explanation:

step 1

Find the measure of side c

Applying the law of cosines

c^{2}= a^{2}+b^{2}-2(a)(b)cos(C)

substitute the given values

c^{2}= 74^{2}+11^{2}-2(74)(11)cos(98\°)

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step 2

Find the measure of angle A

Applying the law of sine

\frac{a}{sin(A)}=\frac{c}{sin(C)}

substitute the given values

\frac{74}{sin(A)}=\frac{76.3}{sin(98\°)}

sin(A)=(74)sin(98\°)/76.3

A=arcsin((74)sin(98\°)/76.3)

A=73.8\°

step 3

Find the measure of angle B

we know that

The sum of the internal angles of a triangle must be equal to 180 degrees

so

A+B+C=180\°

substitute the given values

73.8\°+B+98\°=180\°

171.8\°+B=180\°

B=180\°-171.8\°=8.2\°

5 0
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S_A_V [24]

Answer:

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The answer is 10,740.
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