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larisa [96]
4 years ago
5

What is the value of x

Mathematics
1 answer:
aivan3 [116]4 years ago
8 0
The original value of x was negative, then –x, the opposite-signed version of x, would have to be positive. For instance, if I start with x = –3, then –x = –(–3) = +3, which is positive.
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What is 121g+77 equal to
IrinaK [193]

Answer:

11 ( 11g + 7 )

4 0
4 years ago
What’s the answer to this
Setler [38]

Answer:

p=$65 per day so how many days? you multiply 65 by how ever many days that there is so

Step-by-step explanation:

p=$65 per day so how many days? you multiply 65 by how ever many days that there is so  that would be your answer

8 0
4 years ago
Solve the system.
Lisa [10]

Answer:

(15, 8, 7 )

Step-by-step explanation:

x - y + z = 14 → (1)

y + z = 15 → (2)

z = 7 ← value of z is given

Substitute z = 7 into (2)

y + 7 = 15 ( subtract 7 from both sides )

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5 0
3 years ago
The compound probability of two events, E and F, is ; the probability of E is and of F is . In two or more complete sentences, e
lorasvet [3.4K]

Answer:

Events E and F are not independent if the probability of event E occurring is affecting the probability of event F occurring.

Step-by-step explanation:

Two events are independent when the probability of one event occurring has no connection with that of the other event.

Example, when you toss a coin and roll a six sided die, the probability of getting a head or a tail has no connection with the probability of getting any number face.A real life example will be the probability going to the mall and owning a cat at home.These two have no influence on one another.

Mathematically independent events can be calculated as;

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3 0
3 years ago
Find the value of k if it is known that the line y=kx+2 goes through point:
MrRissso [65]

Answer:

k = -10/7 and k = -3

Step-by-step explanation:

Given: <em>y</em> = <em>kx</em> + 2

where k is the slope of line and 2 is y-intercept.

∵ line <em>y</em> = <em>kx </em>+ 2 is passing through point <em>P</em> (-7, 12), ∴ <em>x</em> = -7 and <em>y </em>= 12

Now substituting the value of x and y in above equation,

<em>y </em>= <em>kx</em> + 2

12 =<em> k</em>(-7) + 2

-7<em>k</em> = 12 - 2

- 7<em>k</em> = 10

k = \frac{-10}{7}

In the same way, ∵ line <em>y</em> = <em>kx </em>+ 2 is passing through point <em>P</em> (3, -7), ∴ <em>x</em> = 3 and <em>y </em>= -7

<em>y </em>= <em>kx</em> + 2

Now substituting the value of x and y in above equation,

-7 =<em> k</em>(3) + 2

<em>3k</em> = -7 - 2

<em>3k</em> = - 9

<em>k</em> = -3

3 0
4 years ago
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