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Andrew [12]
3 years ago
12

Please help me.....

Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0

Answer: The last answer is correct

Step-by-step explanation:

BAC and BCA are the same because A=70 degrees B=70 degrees.

if the top looks exactly like the bottom or vise versa, its the same degree.  

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Tobeg says the equation 3x + 2y= 270 and y=4/5x + 20 intersect at the point (50,60) is this true how do you know
il63 [147K]

ANSWER

Yes it is very true


<u>EXPLANATION</u>

If the two equations intersect at (50,60) then this point must satisfy the two equations.


3x+2y=270---(1)

We substitute  (50,60)  in to erquation (1)


3(50)+2(60)=270


150+120=270

270=270




y=\frac{4}{5}x+20 ---(2)


We now substitute  (50,60)  in to erquation (2) also


60=\frac{4}{5}(50)+20


60=40+20


60=60


Since the point satisfy all the two equations, it is true that they intersect at (60,50)




3 0
3 years ago
105.6 L/h = ___ L/min?
borishaifa [10]

Answer:

(105.6 L / hour) x (hour / 60 min) = (105.6 / 60) = 1.76L / min .



6 0
4 years ago
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Antonio and Candice had a race. Their distances past a particular landmark as the race progressed can be represented by linear f
Luda [366]

I got the answer Antonio had a head start of 3 meters.

4 0
2 years ago
Sin4u=2sin 2u cos 2u​
yKpoI14uk [10]

Answer:

If you've learnt sin(A+B) = sinAcosB + cosAsinB,

sin(4u)

= sin(2u+2u)

= sin(2u)cos(2u) + cos(2u)sin(2u)

= 2 sin(2u) cos(2u).

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3 years ago
How old am I if 689 reduced by 5 times my age is 464? Write and Solve an Equation with an answer.
ludmilkaskok [199]

Answer:

45

Step-by-step explanation:

689 - 464 = 225

225 /5 = 45

7 0
3 years ago
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