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Alina [70]
3 years ago
11

I have no idea who to do this?

Mathematics
1 answer:
natka813 [3]3 years ago
3 0
Click the "ask for help" button
jk
idk either, im bored lol
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In the trapezoid ABCD ( AB ∥ CD ) point M∈ AD , so that AM:MD=3:5. Line l ∥ AB and going trough point M intersects diagonal AC a
Ann [662]

Answer:

BC : BN = 8 : 3

Step-by-step explanation:

Parallel lines divide any transversal into segments with the same ratio. That means ...

... BN : NC = AM : MD = 3 : 5

Since BC = BN + NC, the desired ratio is ...

... BC : BN = (BN+NC) : BN = (3+5) : 3

... BC : BN = 8 : 3

5 0
4 years ago
The sum of four numbers is 20 and their average is 5. When a fifth is added, the new average is 6. What is the fifth number?
ipn [44]

Answer:

10

Step-by-step explanation:

We'll note the numbers as x_{n}, x_{n+1} ...

x_1 + x_2 + x_3 + x_4 = 20\\Avg = 5\\\frac{x_1 + x_2 + x_3 + x_4 + x_5 }{5} = 6 = \frac{20 + x_5}{5}\\ 4 + \frac{x_5}{5} = 6\\\\frac{x_5}{5} = 2\\\x_5 = 10

8 0
3 years ago
Read 2 more answers
Randolph is creating rectangle WXYZ so that WX has an equation of y = 1 over 4x + 4. Segment XY must pass through the point (−2,
Sliva [168]

Answer:

The correct option is;

c.) y - 6 = -4(x - (-2))

Step-by-step explanation:

We note that the figure Randolph is creating is a rectangle, therefore, we have;

\overline{WX}\perp \overline{XY}, therefore, we have;

\overline{WX} = \dfrac{1}{4} x + 4

∴ Slope \overline{WX} = 1/4

\overline{XY} must pas through the point (-2, 6)

Given that \overline{WX}\perp \overline{XY}, we have;

Slope \ \overline{XY} = \dfrac{-1}{Slope \ \overline{WX}}

\dfrac{y - 6}{x - (-2)} = -1/\dfrac{1}{4}  = -4

y - 6 = -4(x - (-2))

Therefore, the correct option is c.) y - 6 = -4(x - (-2)).

6 0
3 years ago
. $1000 was invested into an account with k = 12, r = 6%. How long one needs to wait until it
Natali5045456 [20]

Answer:

.

Step-by-step explanation:

.

3 0
3 years ago
Brian rides his bike 0.27 of a mile per minute. If it takes him 27 minutes to ride his bike to his friend's house, how far away
V125BC [204]

Answer:

His friend lives 7.29 miles away

Step-by-step explanation:

All you have to do is times 0.27 by 27 and you get 7.29

4 0
3 years ago
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