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3 years ago

I will brainliest u Please help!

Mathematics

2 answers:

Snezhnost [94]3 years ago

7 0

Answer:

d and e are parallel because alternate exterior angles are congruent

Step-by-step explanation:

Naily [24]3 years ago

4 0

Answer:

I would choose a and b

Step-by-step explanation:

because parallel Lines have 2 going at the same directions. They don't have 3 lines going in the same direction. Just 2

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Monday What time is 5 3/4 hours after 11:32 pm?

Marina86 [1]

bearing in mind that the an hour has 15 + 15 + 15 + 15 = 60 minutes, so 15 minutes in 1/4 of an hour, thus 45 minutes is 3/4 of an hour.

now, from 11PM, if we add the 5 hours first, we'll be at 4AM, pass midnight of course.

now let's add the minutes, 32 and then 45, that gives us 77 minutes.

so the time will be 4AM plus 77 minutes, since 60 minutes is 1 hr, so 4AM plus 1 hr and 17 minutes, that'd be 5:17AM.

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3 years ago

Over 25.5 days, a pond's water level changed by an average of −0.32 centimeter each day. What was the total change in the water

slavikrds [6]

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3 years ago

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Solve the system of equations by any method. 5x+9y =16 x+2y =4

Alisiya [41]

Answer:

The system of equations has one solution at (-4, 4).

Step-by-step explanation:

We are given the system of equations:

$\displaystyle\left \{ {{5x+9y=16} \atop {x+2y=4}} \right.$

We can use elimination to solve this system. We need to multiply the second equation by -5 so we can cancel out our x-terms.

$-5\times(x+2y=4) \rightarrow -5x - 10y = -20$

Therefore, our system now becomes:

$\displaystyle\left \{ {{5x+9y=16} \atop {-5x-10y=-20}} \right.$

Now, we can add these two equations together and solve for y.

$\displaystyle(5x + 9y) + (-5x - 10y) = 0 - y\\\\16 + (-20) = -4\\\\-y = -4\\\\\frac{-y}{-1}=\frac{-4}{-1}\\\\y = 4$

Now, we can substitute our value for y into one of the equations and solve for x.

$x+2(4)=4\\\\x + 8 = 4\\\\x = -4$

Therefore, our final solution is (-4, 4).

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3 years ago

Write: 4.9x10^-2 as an ordinary number

svet-max [94.6K]

$4.9\cdot10^{-2}=4.9\cdot\frac{1}{100}=4.9:100=0.049$

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3 years ago

Add: (3x2 - 5x + 6) + (9 - 8x - 4x2)

Stolb23 [73]

Add: (3x2 - 5x + 6) + (9 - 8x - 4x2)
The givens should be arranged first before we can start answering.
3x2 - 5x + 6 plus
-4x2 - 8x + 9
= -x2 - 13x +15
Therefore, the answer to the question is E) -x2 - 13x +15

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3 years ago

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