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Orlov [11]
3 years ago
9

The scores on the verbal section of the Graduate Records Examination (GRE) are approximately normally distributed with a mean of

150 and a standard deviation of 8.5. What is the probability that a randomly selected score on the verbal section is higher than 165?
Mathematics
1 answer:
Mashcka [7]3 years ago
5 0

Answer:

0.039

Step-by-step explanation:

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3(b + 8) = b + 48 PORFAVOR con plantamiento operacion y resultado, y de paso me explique el temas nsd9ucancuqna :( amaba matemat
ipn [44]

Answer:

b=12

Step-by-step explanation:

3b +24= b +48

       -24       -24

   3b =  b+ 24

   -b      -b

2b = 24

÷2     ÷2

b=12

5 0
3 years ago
Choose the words to finish the sentence. Euler’s Formula states that the of the number of faces and the number of in a polyhedro
AveGali [126]

Answer:

see explanation

Step-by-step explanation:

Euler's formula states that the sum of the number of faces (F) and the number of vertices (V) of a polyhedra is equivalent to two more than the number of its edges (E) , that is

F + V = E + 2

4 0
2 years ago
What is m∠PTR? a. 12 b. 40 c. 50 d. 140 HELP!!!
kramer

Answer:

m<PTR = 140°

Step-by-step explanation:

First, find the value of x. To find the value of x, derive an equation which you'd use in solving for x.

m<PTQ = (x + 28)°

m<RTS = (2x + 16)°

m<PTQ = m<RTS (vertical opposite angles are congruent)

Therefore:

x + 28 = 2x + 16

Solve for x. Combine like terms

28 - 16 = 2x - x

12 = x

x = 12

Find m<PTQ

m<PTQ = (x + 28)

plug in the value of x

m<PTQ = 12 + 28 = 40°

m<PTR + m<PTQ = 180° (supplementary angles)

m<PTR + 40° = 180° (substitution)

m<PTR = 180 - 40 (subtracting 40 from each side)

m<PTR = 140°

3 0
3 years ago
Anybody know this one? I was leaning towards D but not sure
Hoochie [10]

Answer:

You would be correct!

Step-by-step explanation:

10 × 4 = 40 40 + 15 = 55 therefore D is the answer great job!

4 0
3 years ago
Which correctly compares (528 × 65) – 85 and (528 × 65) – 75 without doing any calculations?
OleMash [197]

Answer:

D.

Step-by-step explanation:

I don't actually know I'm guessing.

4 0
3 years ago
Read 2 more answers
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