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4 years ago

Similar triangles help!!

Mathematics

1 answer:

adoni [48]4 years ago

7 0

Answer: 113 degrees

Step-by-step explanation: The degrees are the same, even if triangle B is bigger. They’re simaler so the degree for x = 113

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Dos engranes giran al mismo tiempo y ambos coinciden en el giro 20.Se sabe que uno gila 4 veces mientras el otro lo hace 5 veces

8_murik_8 [283]

Answer:

Step-by-step explanation:

According to the statement we have that both begin at the time.

Gear 1 = 4 turns

Gear 2 = 5 turns

They also do not say that they coincide at turn 20.

If we continue, we can calculate when they coincide again:

1st

20 + 4 = 24

20 + 5 = 25

2nd

24 + 4 = 28

25 + 5 = 30

3rd

28 + 4 = 32

30 + 5 = 35

4th

32 + 4 = 36

35 + 5 = 40

5th

36 + 4 = 40

They therefore coincide again at turn 40.

5 0

4 years ago

The slope of a line is 2. The y-intercept of the line is –6. Which statements accurately describe how to graph the function? Loc

Kruka [31]

Locate the ordered pair (0,-6). From that point on the graph, move up 2, right 1.

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3 years ago

Hey, I don't quite get this one... please help! <br> Hint: Ax + By = C with no fractions

elena55 [62]

Answer:

I don't understand the question

3 0

4 years ago

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p(x),f(x),g(x) are parabolas with positive coefficient, each pair of parabolas got common rational root, how to proof that p(x)+

likoan [24]

Answer:

${ \tt{p(x) : {y}^{2} = 4ax}} \\ { \tt{f(x) : {(y')}^{2} = 4a {x}'}} \\ { \tt{g(x) : {(y'')}^{2} = 4ax''}} \\ { \bf{since \: they've \: a \: common \: root}} : \\ {y}^{ 2} = {(y')}^{2} = {(y'')}^{2} \\ = > { \tt{4ax + 4ax' + 4ax''}} \\ = 4a(x + x' + x'') \\ common \: root \: is \: 4a \\ { \tt{ \infin {}^{ - } \leqslant 4a \leqslant \infin {}^{ + } }}$

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3 years ago

234 is 30% of what number?

saul85 [17]

234 is 30% of 780.

I believe

6 0

4 years ago