2 years ago

Help please ?

Mathematics

2 answers:

grandymaker [24]2 years ago

5 0

Answer:

i think it may be "A" but i may be wrong sorry if im wrong

Step-by-step explanation:

-BARSIC- [3]2 years ago

4 0

It would be a dilation of 2

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Someone helpe answer this question please

Aneli [31]

2. We have 25+15+10=50 minutes total work out, 25 lifting, so a ratio of

25:50 which is simplified to

Answer: 1:2

$9 \textrm{ hours } \times \dfrac{6 \textrm{ miles}}{2 \textrm{ hours}} = 27 \textrm{ miles}$

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3 years ago

1/4 + 1/2 +x=-3/4. Solve for x

ryzh [129]

Step-by-step explanation:

1/4 + 1/2 + x = -3/4

1/4 + 2/4 + x = -3/4

3/4 + x = -3/4

-3/4. -3/4

x = - 1 1/2

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3 years ago

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3 years ago

Desde la parte más alta de un edificio a 25 m una persona lanza hacia la base un objeto de 150 g con una velocidad de 0.8 m por

ANTONII [103]

Answer:

$E_{T} = 36.84 J$

Step-by-step explanation:

La energía mecánica total está dada por:

$E_{T} = E_{c} + E_{p}$

$E_{T} = \frac{1}{2}mv^{2} + mgh$

En donde:

m: es la masa = 150 g

v: es la velocidad = 0.8 m/s

h: es la altura = 25 m

g: es la gravedad = 9.81 m/s²

$E_{T} = \frac{1}{2}mv^{2} + mgh = \frac{1}{2}0.15 kg*(0.8 m/s)^{2} + 0.15 kg*9.81 m/s^{2}*25 m = 36.84 J$

Por lo tanto, la energía mecánica total es 36.84 J.

Espero que te sea de utilidad!

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3 years ago

Given: 3x + y = 1.<br> Solve for y.<br> O y=-3x + 1<br> O y=-3x - 1<br> O y = 3x - 1

Ivan

Answer:

easy

Step-by-step explanation:

subtract 3x both side

3 0

3 years ago

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