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Bess [88]
3 years ago
8

Is this equation an identity? -5w − 8 = 1 − 2w

Mathematics
1 answer:
Flauer [41]3 years ago
8 0

Answer:

-3w = 9

w = -3

yes, it is an identity

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Probability people where you at? 《brainlist if correct》
motikmotik
<h3>Answer:  5/9</h3>

As an approximate decimal, this is 0.5556 which converts to 55.56%

======================================================

Explanation:

Let's say there are 100 households (just for the sake of simplicity). We are told that 90% of them have answering machines. So that means 90 households have answering machines. In addition, 50 households have answering machines and call waiting. Those 50 households are part of the 90 mentioned previously.

We then select a house at random. Someone tells us (or we have some kind of prior knowledge) that whichever house is selected, they have an answering machine. We can ignore the 10 households that don't have an answering machine. Out of those 90 households, 50 have both features. So 50/90 = 5/9 is the probability of getting a household with both features.

The answer would be 1/2 or 50% if we didn't have the prior knowledge of the household having an answering machine. But with this prior knowledge, the conditions change and so does the probability.

----------------

You could also compute 0.50/0.90 to get the same answer.

3 0
3 years ago
The sum of q and 5 whoever answers this please explain and answer
jok3333 [9.3K]

Answer:

It will be "q+5"

Step-by-step explanation:

When you add a number and a letter you just leave them like that. If you would to have a number multiplying a letter like "5q" and something else like "3q" when you add them together you will get "5q+3q=8q" In this case you can add them together because the number is multiplying the letter.

7 0
3 years ago
What would the coordinates of the new image be? (View Picture)
tino4ka555 [31]

Answer:

  T(1, 5), R(7, 7), A(7, 1), M(4, 5)

Step-by-step explanation:

The mapping for -90° rotation is (x, y) ⇒ (y, -x).

 for example, T(-5, 1) ⇒ T'(1, 5)

__

If you're doing this with pencil and paper, you can draw the image and axes the way it is, then rotate your drawing 90° clockwise (so the axes line up) and copy it into the first quadrant.

7 0
3 years ago
Use Law of Sine to Find each measurement indicated.
nekit [7.7K]

Answer:

u need to multiply both given valurs and subtract from 180

7 0
3 years ago
Please I need help now<br><br>subtract<br><br>(-3x-6) - (2x+3)​
murzikaleks [220]

( - 3x - 6) - (2x + 3) =

- 3x - 6 - 2x - 3 =

- 3x - 2x - 6 - 3 =

Collect like terms

- (3 + 2)x - 9 =

- 5x - 9

6 0
2 years ago
Read 2 more answers
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