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kati45 [8]
3 years ago
13

Consider the following statements:

Mathematics
2 answers:
qwelly [4]3 years ago
4 0

Correct order of question is;

Consider the following statements:

p: Niagara Falls is in New York.

q: New York City is the state capital of New York.

r: New York City has more than 40 inches of snow in 2525.

The statement p is true, and the statement q is false. Represent each of the following by a formula. What is their truth value if r is true? What if r is false?

(a) If Niagara Falls is in New York, then New York City is the state capital of New York. statements by a formula.

(b) Niagara Falls is in New York only if New York City will have more than 40 inches of

(c) Niagara Falls is in New York or New York City is the state capital of New York implies that New York city will have more than 40 inches of snow in 2525

(d) For New York City to be the state capital of New York, it is necessary that New York city would have more than 40 inches of snow in 2525

(e) For Niagara Falls to be in New York, it is sufficient that New York City will have more than 40 inches of snow in 2525

Answer:

A) p⇒q is false

B) p⇒r is false if r is false

C) (p V q) ⇒r is false is r is false

D) q⇒r is true whether or not r is true or false.

E) r⇒p is true whether or not r is true or false.

Step-by-step explanation:

We are given;

p: Niagara falls is in Now york to be true

q: New york city is the slate capital of New york to be False

r: New York city will have more than 40 inches of snow in 2525.

A) it's trying to say that if p is true, then q is true. But from the given statements, it doesn't follow because we are told p is true and q is false. Thus, we can write it as;

p⇒q is false

B) They are trying to suggest that p is true when r is true.

From given statements, p is true but r could either be true or false. Thus, we can write this as;

p⇒r is is true if r is true

Also, p⇒r is false if r is false

C) The statement implies that;

(p V q) ⇒r. However, again since r could either be false or true, we can say that;

(p V q) ⇒r is true if r is true

And (p V q) ⇒r is false is r is false

D) This statement suggests that q is true with r being true.

This can be written as;

q⇒r is true whether or not r is true or false.

E) This statement suggests that for r to be true, then p is true.

Thus;

r⇒p is true whether or not r is true or false.

Lena [83]3 years ago
3 0

Answer:

abcdefghijklmnopqrstuvwxyz

Step-by-step explanation:

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stepladder [879]

Answer:

15

Step-by-step explanation:

5(2)(3)-2(2)+13+7(2)-6(2)(3)-4(2)+(2)(3)

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6 0
3 years ago
Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type.
Vinvika [58]

Answer:

The point estimate for population mean is 8.129 Mpa.

Step-by-step explanation:

We are given the following in the question:

Data on flexural strength(MPa) for concrete beams of a certain type:

11.8, 7.7, 6.5, 6.8, 9.7, 6.8, 7.3, 7.9, 9.7, 8.7, 8.1, 8.5, 6.3, 7.0, 7.3, 7.4, 5.3, 9.0, 8.1, 11.3, 6.3, 7.2, 7.7, 7.8, 11.6, 10.7, 7.0

a) Point estimate of the mean value of strength for the conceptual population of all beams manufactured

We use the sample mean, \bar{x} as the point estimate for population mean.

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

\bar{x} = \dfrac{\sum x_i}{n} = \dfrac{219.5}{27} = 8.129

Thus, the point estimate for population mean is 8.129 Mpa.

4 0
3 years ago
14 + 2(x – 3) = 4(x + 4)
strojnjashka [21]

Answer:

x= -4

Step-by-step explanation:

distribute

combine like terms

subtract 4x from both sides

subtract 8 from both sides

divide both sides by -2

7 0
3 years ago
Read 2 more answers
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sasho [114]

Answer:

a  = M -Gh/G

Step-by-step explanation:

in order to make a the subject of fomular , you will open the bracket first and then combine the like terms.

G(a + h) = M

Ga + Gh  = M

Ga = M - Gh

since G is disturbing a from standing alone, we divide both sides by G

Ga/G = M- Gh/ G

a  = M -Gh/G

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3 years ago
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belka [17]
C is the right answer
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3 years ago
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