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vivado [14]
3 years ago
7

Write the negation of: If we lose electricity, then the data will be lost.

Mathematics
1 answer:
Aleks04 [339]3 years ago
5 0

Step-by-step explanation:

Consider the provided statement.

If we lose electricity, then the data will be lost.

We are need to write the negation of the above statement.

First divide the whole statement in two parts

Let us consider p = We lose electricity and q = The data will be lost.

The symbol use for negation is tilde \sim

\sim(p\rightarrow q)

p\wedge \sim q

Represent T for true and F for False.

The required table is shown below:

p           q           (p\wedge \sim q)

F            F                F

F            T                F

T            F                T

T            T                F

Hence the required table is shown above.

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Find the slope of the line through the given points.<br> (-2,7) and (2,-5)
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y = -3x + 1

Step-by-step explanation:

hope this is right!

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3 years ago
5.3x10 4 in standard form.
valina [46]

Answer:

5.3× 10⁴= ?

Step-by-step explanation:

10⁴ can also be written as 10×10×10×10= 10000

so, 5.3 × 10000= 53000

8 0
3 years ago
X is a normally Distributed random variable with a standard deviation of 4.00. Find the mean of X when 64.8% of the area lies to
Cerrena [4.2K]

Answer:

7

Step-by-step explanation:

σ = 4 ; μ =?

8.52 to the left of X

.

P(X < 8.52) = 64.8%

P(X < 8.52) = 0.648

Using the Z relation :

(x - μ) / σ

P(Z < (8.52 - μ) / 4)) = 0.648

The Z value of 0.648 of the lower tail is equal to 0.38 (Z probability calculator)

Z = 8.52 - μ / 4

0.38 = 8.52 - μ / 4

0.38 * 4 = 8.52 - μ

1.52 = 8.52 - μ

μ = 8.52 - 1.52

μ = 7

5 0
3 years ago
PLEASE HELP !! WHAT IS THE ANSWER TO THIS PROBLEM??
choli [55]

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The formulas for area of a triangle and area of a square

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5 0
3 years ago
(07.03 MC)
Umnica [9.8K]

The probability of pulling a blue marble and the coin landing tails up is 360/2500

<h3>How to determine the probability?</h3>

The tables of values are given as:

Color     Times

Blue        18

Green     20

Yellow    12

Heads    Tails

20          30

The probability of obtaining a blue marble is:

P(Blue) = 18/50

The probability of landing tails up is:

P(Tail) = 20/50

The required probability is:

P = P(Blue) * P(Tail)

This gives

P = 18/50 * 20/50

Evaluate the product

P = 360/2500

Hence, the probability of pulling a blue marble and the coin landing tails up is 360/2500

Read more about probability at:

brainly.com/question/25870256

#SPJ1

8 0
2 years ago
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