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3 years ago

Please answer this correctly

Mathematics

1 answer:

jolli1 [7]3 years ago

8 0

Answer:

No, because there is just as high of a possibility that the other is biased too.

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Can someone help me with this problem ?

viktelen [127]

Answer:

Step-by-step explanation:

43-26=17

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2 years ago

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Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

dexar [7]

Only raul has correctly identified a base and corresponding height..... the remaining haven't.....
in the case of mark he's incorrect because any side can be the base but what matters is that the base must always be perpendicular to the height
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3 years ago

What is the relationship between the ratios? 48 72 and 6 9 Drag and drop to complete the statement. The ratios are . proportiona

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3 years ago

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Prove that lines 3x-4y=12 and 3y=12-4x are perpendicular.

Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

If 2 lines are perpendicular then the product of their slopes equals - 1

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Consider the given equations

3x - 4y = 12 ( subtract 3x from both sides )

- 4y = - 3x + 12 ( divide terms by - 4 )

y = $\frac{3}{4}$ x - 3 ← in slope- intercept form

with slope m = $\frac{3}{4}$

3y = 12 - 4x = - 4x + 12 ( divide terms by 3 )

y = - $\frac{4}{3}$ x + 4 ← in slope- intercept form

with slope m = - $\frac{4}{3}$

Then

$\frac{3}{4}$ × - $\frac{4}{3}$ = - 1

Since the product of their slopes = - 1 then the lines are perpendicular

3 0

2 years ago

1. The company has agreed on a 9- character password format, comprised of uppercase letters, lower case letters, and digits (0-9

pochemuha

Answer: a) 1977060966, b) 146581344.

Step-by-step explanation:

Since we have given that

There are 10 numbers,

There are 26 lower case letters,

There are 26 upper case letters,

Since the first 3 characters have to be digits and next 6 can be upper or lower.

So, a) repetitions are allowed:

$10^3\times (26+26)^6\\\\=10^3\times 52^6\\\\=1977060966$

b) repetitions are not allowed:

$^{10}P_3\times ^{52}C_6\\\\=720\times 20358520\\\\=146581344$

Hence, a) 1977060966, b) 146581344.

5 0

2 years ago