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Dimas [21]
3 years ago
13

Achemistry student atrwered 81 questions correctly on a 90-question test. What

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

Answer:

The student got 90% correct and 10% incorrect.

Step-by-step explanation:

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The truth table represents statements p, q, and r. p q r q ∧ r A T T T T B T T F F C T F T F D T F F F E F T T T F F T F F G F F
nignag [31]

Solution:

q ∧ r : q and r

q      r        q∧r

T      T         T

T       F          F

F       T          F

F        F          F

p ∨ (q∧r)

p OR (q AND r)

p          q∧r          p∨(q∧r)

F           T∧  T=T      T

F            F∧T = F      F

F             T ∧ F=F      F

F             F ∧ F =F      F

If P is false , The row which represents  when p ∨ (q ∧ r) is true is →→F T T T

Which is Option E.    

8 0
3 years ago
Read 2 more answers
-n = -75<br>so what is n?​
Whitepunk [10]

Answer:

n = 75

Step-by-step explanation:

Step 1: Write equation

-n = -75

Step 2: Divide both sides by -1

n = 75

Step 3: Check

<em>Plug in n to verify it's a solution.</em>

-75 = -75

7 0
3 years ago
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What is the probability that Geraldo, the 25-year-old you’re considering for a 30-year policy, lives to be 55 years old? Remembe
gogolik [260]

Answer: 1

Step-by-step explanation:

Given:

Geraldo current age = 25years.

Policy being considered for = 30years

Age at the end of the policy = 55years

What is the probability that Geraldo lives to be 55years.

Therefore

P ( A + B ) = 25 /55 + 30 / 55

= 5 / 11 + 6 / 11

= 11 / 11

= 1

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4 years ago
Complex fraction
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Answer:2 3/5

Step-by-step explaination:

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3 years ago
Find the sum of an 8-term geometric sequence when the first term is 7 and the last term is 114,688 and select the correct answer
Evgesh-ka [11]

Answer:

8*7 -' 15 what is 114,688 men

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3 years ago
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