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stepan [7]
4 years ago
14

Help i don’t understand this

Mathematics
1 answer:
Katena32 [7]4 years ago
6 0
In order to find out what the blank of your expression is,, we must solve for y. We can start doing this by distributing -2 through the parenthesis.
y - 4 = -2x - 6
Now you need to move the constant to the right side and change its sign.
y = -2x - 6 + 4
Calculate the sum of -6 + 4.
y = -2x - 2
Since we cannot simplify this down any further,, y is going to equal -2x - 2. 
Let me know if you have any further questions.
:)
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Kay [80]

Answer:

\dfrac{1}{4}

Step-by-step explanation:

We are given that a card is drawn from a hat.

Probability that a red card is drawn, P(red) = \frac{1}{10}

Probability that a blue card is drawn, P(blue) = \frac{1}{5}

Probability that a black card is drawn, P(black) = \frac{1}{20}

Probability that a pink card is drawn, P(pink) = \frac{1}{5}

All these events are mutually exclusive i.e. they do not have anything in common.

For any two events A and B which are mutually exclusive, with probability P(A) and P(B), the probability that any one of the two events occur:

P(A\cup B) = P(A) + P(B)

Here event A can be thought of as drawing a blue card and

event B can be thought of as drawing a black card

So, P(blue or black) = P(blue) + P(black)

\Rightarrow \dfrac{1}{5}+\dfrac{1}{20}\\\Rightarrow \dfrac{4+1}{20}\\\Rightarrow \dfrac{5}{20}\\\Rightarrow \dfrac{1}{4}

So, the probability that a blue or black card is drawn from the hat:

\dfrac{1}{4}

8 0
3 years ago
What is the value of v if 13v = 65
NemiM [27]

Answer:

v=5

Explanation:

The equation is asking for multiplication (13 * v), and the opposite of multiplication is division. So if we divide 65 by 13, we find 5.

13 * 5 = 65

6 0
3 years ago
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Step-by-step explanation:

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3 years ago
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Answer:No it is not proportional

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4 hours=$37

7 hours=$64.75  

I t is not proportional because if 4 hours =$37 then 6 hours is supposed to be around $70 but 7 hours=$64.75

3 0
4 years ago
Anyone knows how to do this please tell me how?
yulyashka [42]

Step-by-step explanation:

0.000672, 6.72×10⁵, 67.2×10‐⁴, 672×10⁴

8 0
2 years ago
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