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neonofarm [45]
1 year ago
9

Work out 6z - 4z .what is the answer?

Mathematics
1 answer:
Reika [66]1 year ago
4 0

Answer:

4 is the answer

Step-by-step explanation:

you can - or + the equation only then when the letter is same z and z both are same so you can - them and get the answer.

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Find 2004-04-02-04-00_files/i0340000.jpg. Round the answer to the nearest tenth.
lesya692 [45]

<span>The problem is to calculate the angles of the triangle. However, it is not clear which angle you have to calculate, so we are going to calculate all of them
</span>
we know that
Applying the law of cosines
c²=a²+b²-2*a*b*cos C------> cos C=[a²+b²-c²]/[2*a*b]
a=12.5
b=15
c=11
so
 cos C=[a²+b²-c²]/[2*a*b]--->  cos C=[12.5²+15²-11²]/[2*12.5*15]
cos C=0.694------------> C=arc cos (0.694)-----> C=46.05°-----> C=46.1°

applying the law of sines calculate angle B
15 sin B=11/sin 46.1-----> 15*sin 46.1=11*sin B----> sin B=15*sin 46.1/11
 sin B=15*sin 46.1/11-----> sin B=0.9826----> B=arc sin (0.9826)
B=79.3°

calculate angle A
A+B+C=180------> A=180-B-C-----> A=180-79.3-46.1----> A=54.6°

the angles of the triangle are
A=54.6°
B=79.3°
C=46.1°
7 0
3 years ago
How Ro U Sovle This Problem Bc I Don't Know How?
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3 0
3 years ago
A/ How many hours does it take to fill the pool?
masya89 [10]
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3 years ago
What construction does the image below demonstrate?
Amanda [17]
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8 0
3 years ago
PLEASE ANSWER QUICK
Kazeer [188]

Step-by-step explanation:

1. 3x + 4 = 19

3x = 15

x = 5

2. 7 + 2x = 15

2x = 8

x = 4

3 0
3 years ago
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