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sveticcg [70]
3 years ago
15

I need help plsssssssss

Mathematics
1 answer:
Allushta [10]3 years ago
8 0
I think the answer is maybe A?
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If ABC=85,CBD=140 , and ,ABD=1/2x=30 find the value of x.
nexus9112 [7]
Based on the given nomenclature of angles, I think the illustration would look like that shown in the attached picture. The common vertex is point B, that's why the middle point of the given angles is B. Now, according to Angle Addition Postulate, the individual interior angles should sum up to the total angle. So, the equation would be

m∠ABD = m∠ABC + m∠CBD
m∠ABC = m∠ABD - m∠CBD
m∠ABC = 85° - m∠CBD

Read more on Brainly.com - brainly.com/question/5023714#readmore
5 0
3 years ago
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"A solar hot-water heating system consists of a hot-water tank and a solar panel. The tank is well insulated and has a time cons
puteri [66]
T(t)=e−kt(∫ekt[KM(t)+H(t)+U(t)]dt+C) M is the outside temperature, H is other things that affect temperature in the tank(0 in this case), and U is the solar panel. K comes from the time constant, and should be the inverse of the time constant I believe. T is temperature, t is time.

T(t)=e−164t(∫e164t[164(80)+4t]dt After integrating I keep getting −16304+256t+Ce−164t I calculate C to be 16414 setting t equal to 0 and using the initial conditions





6 0
3 years ago
Hellohello, if you able to help me then please do. (:
madreJ [45]

Answer:

true duhh :))

Step-by-step explanation:

7 0
2 years ago
2x + 3x -4y + 77y - 4y - 1y<br>Simplify this equation please!​
Len [333]

Answer:

5x+68y

Step-by-step explanation:

2x+3x-4y+77y-4y-y

combine x's and y's

5x+68y

that is your answer

5 0
3 years ago
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Please help!!!!!!!!!!!!!!!!!!!!!!
Temka [501]

Answer:

bro I have no idea I'm just screwing around

Step-by-step explanation:

you ask your step sister

6 0
2 years ago
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