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emmasim [6.3K]
2 years ago
5

C^2cos^2 B+ b^2cos^2 C + bc cos (B - C) = 1/2(a^2+b^2+ c^2)​

Mathematics
1 answer:
melisa1 [442]2 years ago
5 0

Answer:

n

me vale

Step-by-step explanation:

spanish hgjddjzfurdoydoydotroyd6odo6eoyeoydtodyodo6do55od5od5odo5dtodtofpydypff6

XD

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There are 320 rods in a mile Find the length of a rod in feet
faust18 [17]
The answer should be 320 rods = 1 mile 5280 ft= 1 mile
Hope this helps you

3 0
3 years ago
2) Write an equation that passes through the<br> point (-2,5) and is parallel to y ==x+1.
Marta_Voda [28]

Answer:

y = x + 7

Step-by-step explanation:

5 = -2 + b

7 = b

y = x + 7

* Parallel lines have SIMILAR <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>], so 1 remains the way it is.

I am joyous to assist you anytime.

4 0
3 years ago
Hmm..... Can someone help me please ? Thanks!
kolezko [41]
I believe it is A. Hope this helps.
6 0
3 years ago
Read 2 more answers
Calcula la longitud de la variable "x"​​
Olenka [21]

Answer:

x=20

Step-by-step explanation:

30°-60°-90°Δ

a=10

b=20

c=10\sqrt{3}

x=b

x=20

7 0
3 years ago
Weak battery is considered to be a part of routine
grandymaker [24]

Answer:

A. wear and tear

Step-by-step explanation:

A battery is generally expected to become weaker over time, as a consequence of the normal use of equipment. The presence of a weak battery would be found by a routine check, and replaced by routine maintenance.

The fact that a battery is weak would be considered the result of routine wear and tear

3 0
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